---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Opal Screen Time Limit & Timer"
developer_entity: "Opal: The Focus Company"
bundle_id: "com.withopal.opal"
app_store_id: "1497465230"
category: "Productivity"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-09-26"
report_date: "2026-09-30"
last_verified: "2026-09-30T00:00:00.000Z"
report_version: "4.17"
total_reviews: 98363
overall_rating: 4.7
sentiment: "Frustrated"
sentiment_score: 35
confidence: "high"
confidence_score: 0.9
top_praise_theme: "Effective focus-blocking tools help students and chronically online users reduce daily social media consumption"
top_complaint_theme: "Recent UI changes and buggy performance after the latest update make core blocking features unreliable"
review_sample_size: 100
total_review_count: 100
analyzed_review_count: 81
data_age_days: 45
momentum_velocity: "active"
intelligence_version: 2
nemesis: "Refocus: App Blocker & Lock"
competitor_count: 33
tags: ["productivity", "subscription", "frustrated sentiment", "mobile app", "app review", "app analysis", "professionals,", "students,", "individuals"]
canonical_url: "https://marlvel.ai/apps/opal-screen-time-limit-timer"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Opal Screen Time Limit & Timer Intelligence Report

## TL;DR {#tldr}

- **Category**: Productivity · Subscription
- **Signal**: Rating 4.72 · Sentiment Frustrated
- **Recent focus**: Recent UI changes and buggy performance after the latest update make core blocking features unreliable (top complaint) · Effective focus-blocking tools help students and chronically online users reduce daily social media consumption (top praise)

> **TL;DR:** Opal Screen Time Limit & Timer is a productivity app by Opal: The Focus Company, rated 4.72/5 by 98.4K users, with Frustrated user sentiment (35/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Opal Screen Time Limit & Timer faces Frustrated user sentiment (4.72/5 from 98.4K reviews), with users reporting recent ui changes and buggy performance after the latest update make core blocking features unreliable as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.72/5 (98.4K reviews) |
| **User Mood** | Frustrated |
| **Category** | Productivity |
| **Developer** | Opal: The Focus Company |
| **Pricing** | Subscription |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.9/1.0) |
| **Data Age** | 45d |

## Metadata & Market Performance
- **Publisher:** Opal: The Focus Company
- **Category:** Productivity
- **Target Audience:** Professionals, students, and individuals struggling with digital distraction or seeking to improve productivity and mental wellbeing.
- **Platforms:** iOS & Android
- **Version Reviewed:** 4.17
- **Report Date:** 2026-09-30
- **Signal Count:** 100 reviews analyzed
- **Confidence:** High (0.9/1.0)
- **App Store ID (iOS):** 1497465230
- **Bundle ID:** com.withopal.opal
- **Google Play ID:** com.withopal.opal
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-09-30
- **Short Description:** Block distracting Apps, stop scrolling, focus better. Control to stay focus

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Opal is a productivity app for iOS and Android that helps users manage screen time through scheduled focus sessions and app blocking.
**Why users hire it:** Users open Opal to break unconscious social media scrolling habits, replacing them with structured deep-work intervals that provide a sense of digital control.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Hard Mode:** Enforces strict app blocking that prevents users from canceling or bypassing sessions during the timer duration.
- **[Differentiator] Focus Score:** Aggregates sleep, focus, and rest data into a single metric to visualize technology usage impact on wellbeing.
- **[Standard] Focus Sessions:** Blocks specific apps and websites for a set duration to maintain flow state.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Opal holds a #40 Grossing position in the US Productivity category, trailing its #143 Free rank by over 100 spots. This gap between discovery and monetization signals that the current subscription paywall is a significant conversion barrier for the broader free-user base.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Free tier with basic functionality, Opal Pro subscription
- **Analysis:** Subscription model anchored on productivity outcomes, with premium features gated behind Pro to incentivize conversion from the free tier.

<!-- section:sentiment -->
## 🔴 User Sentiment (High Confidence: 81 of 100 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.72/5
- **Platform Split:** iOS 4.7/5 (88.8K ratings) | Android 4.7/5 (9.5K ratings)
- **Overall Sentiment:** Frustrated
- **Note:** The 4.72/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline.

### Top Praises
- **Effective focus-blocking tools help students and chronically online users reduce daily social media consumption**
- **The simple interface design provides a non-shaming approach to managing digital habits and phone usage**

### Top Complaints (Impact Areas)

- **Recent UI changes and buggy performance after the latest update make core blocking features unreliable**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Behavioral habit-tracking loop (Focus Score) increases daily active usage
- Editors' Choice badge across five markets sustains organic install velocity

**Growth Levers:**
- Localized pricing strategies in high-ARPU markets could capture users frustrated by current costs


<!-- /section:swot -->
## Recent Changes (v1 → v2) {#recent-changes}

Opal's development velocity remains high, but the latest updates have introduced stability regressions and increased monetization friction that negatively impact user sentiment.

**Overall trend**: Mixed
**Compared at**: 2026-09-30

### High-impact changes
- **[Declined] Negative Sentiment Shift** (sentiment)
- **[Declined] Increased Monetization Friction** (pricing)

### Medium-impact changes
- **[Added] Quick-Start Widget** (features)
- **[Declined] New Performance Complaints** (sentiment)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Opal Screen Time Limit & Timer vs Refocus: App Blocker & Lock
- **[Refocus: App Blocker & Lock](https://marlvel.ai/apps/refocus-block-apps-websites)**: Both apps compete for the same productivity-focused audience by offering tools to block distracting apps and manage daily screen time.
  - **Key differences:**
    - Refocus includes location-based blocking, allowing users to trigger restrictions based on their physical environment.
    - Refocus provides a Strict Mode that enforces usage limits through passcodes or specific user challenges.

### Contenders (Strong Challengers)
- **BlockSite: Block Apps & Focus**: Both applications target the same productivity-seeking audience by restricting access to distracting software and websites to improve user focus.
  - BlockSite supports browser-level blocking across Safari, Chrome, and Firefox, while Opal focuses on app-level sessions.
  - BlockSite includes password protection for block lists, a feature not present in the Opal description.
- **Detox: Digital Detox**: Both apps target the screen time management category by offering scheduled blocking and app usage limits to reduce digital distractions.
  - Detox uses consecutive usage limits to permit short app checks, whereas Opal enforces strict session-based blocks.
  - Opal includes a dedicated Pomodoro timer for structured work intervals, a feature absent from the Detox description.
- **ClearSpace: Reduce Screen Time**: Both applications target the same user base seeking to reduce screen time and social media usage through app blocking and session management.
  - ClearSpace emphasizes intentionality by forcing a pause before opening apps, whereas Opal focuses on scheduled blocking.
  - ClearSpace maintains a higher store rating of 4.73 compared to Opal's 4.47 rating.
- **[Brainrot: Screen Time Control](https://marlvel.ai/apps/smobiz-brainrot)**: Both apps compete for the same digital wellbeing audience by providing app-blocking and focus-timer tools to manage daily screen time.
  - Brainrot uses a gamified brain avatar that decays when usage limits are exceeded, unlike Opal's utility-focused approach.
  - Opal provides smart scheduling for recurring sessions, whereas Brainrot relies on a simpler, avatar-based nudge system.
- **DetoxLock: Extreme App Blocker**: Both applications target the same user base seeking to reduce screen time and block distracting applications through scheduled sessions and manual limits.
  - DetoxLock markets itself as a cold turkey blocker for impulsive use, whereas Opal emphasizes habit building.
  - Opal integrates a Pomodoro timer for structured work sessions, a feature not listed for DetoxLock.
- **[Freedom: Screen Time Control](https://marlvel.ai/apps/to-freedom-freedomblocker)**: Both applications target the same user base seeking to reduce screen time and improve focus through app and website blocking mechanisms.
  - Freedom provides cross-platform synchronization across desktop and mobile, while Opal focuses on mobile-first habit building.
  - Freedom utilizes a subscription-only model, whereas Opal offers a free tier with specific focus-session features.
- **App Blocker - Focus Pal**: Both apps compete for the same user base by offering app-blocking and scheduling tools to manage digital habits.
  - Focus Pal explicitly markets native Screen Time integration as its primary reliability mechanism.
  - Opal includes a built-in Pomodoro timer for structured work intervals, which Focus Pal lacks.
- **Digital Detox ADHD AppBlocker**: Both apps compete for the same user base by providing app-blocking and scheduling tools to manage digital distraction and screen time.
  - Opal integrates a Pomodoro timer for structured work intervals, whereas Digital Detox lacks this specific feature.
  - Digital Detox markets its utility for cortisol reduction and dopamine detox, targeting stress-related phone usage patterns.
- **[Digital Detox: Screen Limit](https://marlvel.ai/apps/digital-detox-screen-limit)**: Both apps target mobile dependency reduction through usage restrictions, competing for the same productivity-focused user base.
  - Digital Detox includes a password-protected anti-cheat mechanism to prevent users from bypassing their own set limits.
  - Digital Detox features a one-click purchase blocker to prevent unauthorized spending, a feature absent in Opal.
- **[RotStop - Screen Time App](https://marlvel.ai/apps/rotstop-screen-time-app)**: Both applications target the productivity segment by providing tools to restrict social media usage and improve focus for iPhone users.
  - RotStop mandates physical movement to unlock device usage, while Opal relies on scheduled app blocking.
  - RotStop processes all data locally to ensure privacy, whereas Opal provides broader focus session features.

### Peers (What They Do Better)
- **StayFree - Screen Time**: StayFree provides cross-platform usage tracking across Windows, Mac, and browsers, serving users who require analytics beyond mobile-only screen time data.
  - Cross-platform support for desktop and browser usage
  - Detailed usage patterns and history breakdowns
- **[Forest: Focus for Productivity](https://marlvel.ai/apps/forest-focus-for-productivity)**: Forest uses a gamified tree-planting loop to incentivize focus, though recent subscription changes have created friction with legacy users.
  - Gamified tree-planting focus sessions
  - Allow Lists for functional utility
- **[Flora - Green Focus](https://marlvel.ai/apps/flora-green-focus)**: Flora targets users needing social accountability by penalizing exits during focus sessions through virtual tree-planting mechanics.
  - Social challenges for group accountability
  - Penalties for exiting during active sessions
- **[Focus Keeper - Pomodoro Timer](https://marlvel.ai/apps/focus-keeper-pomodoro-timer)**: Focus Keeper applies the Pomodoro technique to assist users with ADHD and study-related time management challenges.
  - Customizable Pomodoro session lengths
  - Study tracker for task management
- **[FocusFlight - Deepfocus Timer](https://marlvel.ai/apps/net-cementpla-focusflights)**: FocusFlight provides an aviation-themed environment to gamify deep work while integrating with system-level screen time data.
  - Aviation-themed focus sessions
  - Route tags for data tracking
- **[one sec | screen time + focus](https://marlvel.ai/apps/one-sec-screen-time-focus)**: One sec uses behavioral science to insert mandatory breathing pauses before opening distracting apps, breaking unconscious habit loops.
  - Friction-based breathing interventions
  - System-level integration via shortcuts
- **[Unrot: Earn your Screen Time](https://marlvel.ai/apps/com-unrotou-unrot)**: Unrot gamifies screen time management by requiring users to earn access to restricted apps through healthy habit completion.
  - Brain credits system for app access
  - Habit-based unlocking mechanism
- **[ScreenZen- Screen Time Control](https://marlvel.ai/apps/screenzen-screen-time-control)**: ScreenZen provides a minimalist, ad-free alternative that uses intentional friction to disrupt impulsive social media usage.
  - Button-position shifting to disrupt habits
  - Donation-supported, ad-free model
- **PushUp Time: App Blocker**: PushUp Time forces physical activity as a prerequisite for unlocking distracting apps, targeting users who want to combine fitness with digital detox.
  - On-device AI for rep counting
  - Physical exercise required to unlock apps
- **[FocusPomo · Pomodoro Timer](https://marlvel.ai/apps/focuspomo-pomodoro-timer)**: FocusPomo leverages native Apple ecosystem features to provide a seamless Pomodoro experience for users focused on productivity.
  - Dynamic Island and Live Activities support
  - ICloud synchronization across devices
- **[Focus Friend, by Hank Green](https://marlvel.ai/apps/focus-friend-by-hank-green)**: Focus Friend uses character-based rewards and room decoration to incentivize long-duration concentration for students.
  - Bean character customization
  - Room decoration rewards
- **[Focus Tree: Timer & Flashcards](https://marlvel.ai/apps/focus-tree-timer-flashcards)**: Focus Tree combines study-focused timers with flashcards and shared gardens to facilitate academic accountability.
  - Spaced repetition flashcards
  - Shared gardens for group accountability
- **[Focus Plant: Konzentration](https://marlvel.ai/apps/focus-plant-forest-app-blocker)**: Focus Plant uses a world-restoration mechanic to reward sustained concentration, appealing to users who prefer collection-based gamification.
  - Raindrop collection for plant nurturing
  - World restoration progress tracking
- **Focus Traveller - Flow Timer**: Focus Traveller enables real-time group focus sessions, serving users who seek social support for their productivity.
  - Group expeditions for real-time focus
  - Apple Music integration for focus tracks
- **[Time Timer](https://marlvel.ai/apps/time-timer)**: Time Timer utilizes a patented visual interface to help neurodivergent users manage time blindness through concrete visual cues.
  - Patented red-disk visual timer
  - Timer sequencing for complex routines
- **[Flow: Focus & Pomodoro Timer](https://marlvel.ai/apps/flow-focus-pomodoro-timer)**: Flow provides a high-volume, simple Pomodoro utility for users who prioritize a clean interface over complex features.
  - Simple, focused Pomodoro interface
  - Statistics tracking for work intervals
- **Exocus: Gamified Focus Timer**: Exocus uses pixel-art planet building to provide immediate rewards for long-term focus commitments.
  - Pixel-art planet building rewards
  - Focus-based long-term commitment tracking
- **No Scroll - Limit Screen Time**: No Scroll uses behavioral psychology to enforce a mandatory five-minute lock after time limits expire, targeting professionals.
  - Five-minute lock after time limits
  - Behavioral psychology-based habit design
- **Focus - ポモドーロタイマ・タスク管理**: Focus provides a structured rhythm for deep-work sprints across Apple devices, catering to users who need task management alongside timers.
  - Cross-device task management
  - Structured plan, work, break, review rhythm
- **Cat On Chair: Pomodoro Timer**: Cat On Chair offers a cozy, aesthetic Pomodoro experience with cat-themed rewards for users who find traditional timers cold.
  - Hand-drawn aesthetic with cat companions
  - Furniture and decoration rewards

### New Kids on the Block (What's Innovative)
- **[Nagomi: Screen Time Limit](https://marlvel.ai/apps/nagomi-screen-time-limit)**: Nagomi provides granular multi-period scheduling to address the limitations of native iOS Screen Time for strict focus enforcement.
  - Multi-period scheduling for complex routines
  - Reliability log for block verification
- **[Focus Bee: Productivity Timer](https://marlvel.ai/apps/focus-bee-productivity-timer)**: Focus Bee uses a gamified garden to visualize productivity, though its ad-heavy model conflicts with a distraction-free experience.
  - Gamified garden visualization
  - Ambient soundscapes for focus

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v4.17, 3 days ago):** Introduced a small focus widget allowing users to initiate 15, 25, or 45-minute focus sessions directly from the home screen.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Active) {#momentum}

- Shipped quick-start focus session widget.
- Expanded cross-platform subscription support.
- Ships ~3 releases per month.

> **Cadence:** 3 total versions · 2 majors in last 6 months · 3 days since last update · 10 days avg between updates

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Opal Screen Time Limit & Timer is a productivity app.
With a 4.72/5 rating from 98.4K reviews, it draws more critical themes in recent reviews than its store average suggests.

<!-- speakable-start -->
> **Bottom Line:** Opal's habit-building mechanism is a strong retention lever, but the current stability regressions are a churn risk that outweighs new feature development. Prioritizing core reliability will restore the trust necessary to sustain the premium subscription model.
<!-- speakable-end -->

**Best for:** Professionals, students, and individuals struggling with digital distraction or seeking to improve productivity and mental wellbeing.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Audit blocking logic in the latest build because users report core features fail during sessions → restore reliability
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- Location-based blocking (available in Refocus but missing here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Mixed

The digital wellbeing market is consolidating around tools that offer either extreme friction or seamless integration, leaving Opal in a vulnerable middle ground. If the team does not resolve the current stability regressions, they risk losing their core user base to rivals like Refocus that offer more reliable, granular control.

- 🔴 Persistent UI regressions and blocking failures in the latest build erode the daily active habit, compounding the rating drag visible on Android.
- 🟢 Active release cadence with three updates in 23 days shows the team is iterating, provided they pivot to stability-focused patches.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.72/5 |
| Total Reviews | 98.4K |
| Sentiment | Frustrated (35/100) |
| Confidence | High |
| Pricing Model | Subscription |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Opal Screen Time Limit & Timer** (this app) | 4.72/5 | Frustrated | Opal: The Focus Company |
| [Brainrot: Screen Time Control](https://marlvel.ai/apps/smobiz-brainrot) | 4.5/5 | N/A | Smolworks Inc |
| [Unrot: Earn your Screen Time](https://marlvel.ai/apps/com-unrotou-unrot) | 4.7/5 | N/A | Unrot OÜ |
| [FocusFlight - Deepfocus Timer](https://marlvel.ai/apps/net-cementpla-focusflights) | 4.9/5 | N/A | Cement Planet LTD |
| [one sec | screen time + focus](https://marlvel.ai/apps/one-sec-screen-time-focus) | 4.8/5 | Mixed | riedel.wtf apps S.L. |
| [ScreenZen- Screen Time Control](https://marlvel.ai/apps/screenzen-screen-time-control) | 4.9/5 | Thrilled | ScreenZen LLC |

## Company Profile
- **Developer:** Opal: The Focus Company
- **Website:** [https://www.opal.so/](https://www.opal.so/)
- **Social:** [Instagram](https://www.instagram.com/opalapp) · [X/Twitter](https://twitter.com/opalapp) · [YouTube](https://youtu.be/u22rrhAPNwM) · [TikTok](https://www.tiktok.com/@opal) · [LinkedIn](https://www.linkedin.com/in/adelaidehumez)

## Data Sources & Links
- **App Store ID:** 1497465230
- **Google Play ID:** com.withopal.opal
- **Dev Site:** [Official Website](https://www.opal.so/)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*Brainrot: Screen Time Control*](https://marlvel.ai/apps/smobiz-brainrot) (Smolworks Inc) · 4.5/5 Rating
- [*Unrot: Earn your Screen Time*](https://marlvel.ai/apps/com-unrotou-unrot) (Unrot OÜ) · 4.7/5 Rating
- [*FocusFlight - Deepfocus Timer*](https://marlvel.ai/apps/net-cementpla-focusflights) (Cement Planet LTD) · 4.9/5 Rating
- [*one sec | screen time + focus*](https://marlvel.ai/apps/one-sec-screen-time-focus) (riedel.wtf apps S.L.) · 4.8/5 Rating
- [*ScreenZen- Screen Time Control*](https://marlvel.ai/apps/screenzen-screen-time-control) (ScreenZen LLC) · 4.9/5 Rating | Excellent Sentiment
- [*Focus Keeper - Pomodoro Timer*](https://marlvel.ai/apps/focus-keeper-pomodoro-timer) (PIXO Incorporation) · 4.8/5 Rating
- [*Flora - Green Focus*](https://marlvel.ai/apps/flora-green-focus) (AppFinca Inc.) · 4.8/5 Rating
- [*Focus Plant：forest app blocker*](https://marlvel.ai/apps/focus-plant-forest-app-blocker) (Shikudo) · 4.7/5 Rating
- [*Forest: Focus for Productivity*](https://marlvel.ai/apps/forest-focus-for-productivity) (SEEKRTECH CO., LTD.) · 4.8/5 Rating
- [*Flow: Focus & Pomodoro Timer*](https://marlvel.ai/apps/flow-focus-pomodoro-timer) (Yugen GmbH) · 4.8/5 Rating

## Frequently Asked Questions {#faq}

### Is Opal free to use?

Opal offers a free tier with basic focus features, but many advanced tools like Hard Mode are gated behind the Opal Pro subscription.

### How does Opal compare to Refocus?

Refocus offers location-based blocking and stricter enforcement modes, whereas Opal focuses on habit-building through streaks and focus scores.

### Does Opal work if I am offline?

Opal works locally on your device to respect privacy, but some features may require a connection for syncing or account management.

### What is a good alternative to Opal?

Users seeking more granular control may consider Refocus for location-based blocking, or BlockSite for browser-level website restrictions.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.9/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 100
- **Data Sources:** user reviews, developer website, company about page, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 45 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/opal-screen-time-limit-timer)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.