---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "FLIP - Focus Timer for Study"
developer_entity: "Rinasoft Inc."
bundle_id: "rinasoft.StudyingHard"
app_store_id: "1435127190"
google_play_id: "kr.co.rinasoft.yktime"
category: "Education"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-03-24"
report_date: "2026-07-29"
last_verified: "2026-07-29T00:00:00.000Z"
report_version: "1.22.50"
total_reviews: 38924
overall_rating: 4.3
sentiment: "Excited"
sentiment_score: 75
confidence: "high"
confidence_score: 0.95
top_praise_theme: "The study timer and goal tracking features effectively motivate students to maintain focus during long sessions"
top_complaint_theme: "Timer functionality frequently stops or crashes when the app runs in the background or during screen-off"
review_sample_size: 620
total_review_count: 620
analyzed_review_count: 120
data_age_days: 18
momentum_velocity: "maintenance"
intelligence_version: 9
nemesis: "Forest: Focus for Productivity"
competitor_count: 6
tags: ["education", "subscription", "excited sentiment", "mobile app", "app review", "app analysis", "students", "professionals", "seeking"]
canonical_url: "https://marlvel.ai/apps/flip-focus-timer-for-study"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# FLIP - Focus Timer for Study Intelligence Report

## TL;DR {#tldr}

- **Category**: Education · Subscription
- **Signal**: Rating 4.29 · Sentiment Excited
- **Recent focus**: Timer functionality frequently stops or crashes when the app runs in the background or during screen-off (top complaint) · The study timer and goal tracking features effectively motivate students to maintain focus during long sessions (top praise)

> **TL;DR:** FLIP - Focus Timer for Study is a education app by Rinasoft Inc., rated 4.29/5 by 38.9K users, with Excited user sentiment (75/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** FLIP - Focus Timer for Study maintains Excited user sentiment (4.29/5 from 38.9K reviews), with users consistently praising the study timer and goal tracking features effectively motivate students to maintain focus during long sessions.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.29/5 (38.9K reviews) |
| **User Mood** | Excited |
| **Category** | Education |
| **Developer** | Rinasoft Inc. |
| **Pricing** | Subscription |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.95/1.0) |
| **Data Age** | 18d |

## Metadata & Market Performance
- **Publisher:** Rinasoft Inc.
- **Category:** Education
- **Target Audience:** Students and professionals seeking to manage study habits and reduce smartphone distraction.
- **Platforms:** iOS & Android
- **Version Reviewed:** 1.8.27
- **Report Date:** 2026-07-29
- **Signal Count:** 620 reviews analyzed
- **Confidence:** High (0.95/1.0)
- **App Store ID (iOS):** 1435127190
- **Bundle ID:** rinasoft.StudyingHard
- **Google Play ID:** kr.co.rinasoft.yktime
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-07-29

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** FLIP is a focus-timer app for students that tracks study sessions via a physical phone-flip gesture on iOS and Android.
**Why users hire it:** The app removes the cognitive friction of manual timer setup by using the physical act of flipping the phone as a trigger to start a focus session.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Phone-Flip Measurement:** Physical sensor-based timer that tracks focus duration when the device is placed face-down.
  * *User Intent:* Users want visibility into their own performance and progress.
- **[Differentiator] Global Study Groups:** Real-time community boards and live status tracking for peer-to-peer study accountability.
  * *User Intent:* Users want real-time communication within the app experience.
- **[Standard] Focus Level Analytics:** Calculates concentration metrics based on the ratio of breaks to focus duration.
  * *User Intent:* Users want visibility into their own performance and progress.
<!-- /section:features -->

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

FLIP holds a #139 Grossing position in the KR Education chart, while maintaining a 4.53 rating on iOS. The gap between its discovery-led free usage and the grossing rank signals that current monetization gates are not yet capturing the full value of its active student base.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Free tier with ads, Premium at $0.99/month, $4.99/6 months, or $8.99/year
- **Analysis:** Freemium model with low-cost entry point ($0.99/month) and coin-based progression to unlock premium content.

<!-- section:sentiment -->
## 🟢 User Sentiment (High Confidence: 120 of 620 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.29/5
- **Platform Split:** iOS 4.5/5 (892 ratings) | Android 4.3/5 (38K ratings)
- **Overall Sentiment:** Excited

### Top Praises
- **The study timer and goal tracking features effectively motivate students to maintain focus during long sessions**
- **Social features like global leaderboards and study groups create a sense of community and peer accountability**
- **The app provides a generous free tier that includes essential features without aggressive advertising or paywalls**

### Top Complaints (Impact Areas)

- **Timer functionality frequently stops or crashes when the app runs in the background or during screen-off**

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

**Core Strengths:**
- Physical phone-flip interaction creates a distinct, habit-forming UX

**Growth Levers:**
- Desktop application expansion would remove the current dependency on mobile-only focus sessions


<!-- /section:swot -->
## Recent Changes (v8 → v9) {#recent-changes}

Development velocity has significantly declined, with the update cadence stretching to 127 days, while persistent technical instability in background tracking and new UI navigation bugs continue to erode user sentiment.

**Overall trend**: Declining
**Compared at**: 2026-07-29

### High-impact changes
- **[Declined] Emergence of UI navigation complaints** (sentiment)

### Medium-impact changes
- **[Shifted] Increased competitive pressure** (swot)
- **[Shifted] Audience narrowing** (audience)

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

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

### FLIP - Focus Timer for Study vs Forest: Focus for Productivity
- **[Forest: Focus for Productivity](https://marlvel.ai/apps/forest-focus-for-productivity)** by SEEKRTECH CO., LTD.: Forest dominates the focus-timer niche with massive scale and a highly effective gamified 'tree-planting' retention loop that defines the category.
  - **Key differences:**
    - Integrates a tangible environmental impact by partnering with real-world tree planting organizations for user focus time.
    - Maintains a high-velocity release schedule with 24 updates in six months, ensuring constant platform optimization.
    - Utilizes a deep gamification engine that rewards consistent focus habits with virtual forest expansion and collection.

### Contenders (Strong Challengers)
- **[Study Bunny: Focus Timer](https://marlvel.ai/apps/study-bunny-focus-timer)** by Justin Patrick Silang: A strong niche competitor that uses a virtual pet companion to drive user engagement and study consistency.
  - Features a virtual pet that requires care, creating a 'Tamagotchi-style' emotional attachment to study sessions.
  - Includes built-in study tools like flashcards and to-do lists to keep the user within the app ecosystem.
- **[Focus To-Do: Focus Timer&Tasks](https://marlvel.ai/apps/focus-to-do-focus-timer-tasks)** by Shenzhen Tomato Software Technology Co., Ltd.: Combines Pomodoro timers with robust task management, appealing to users who need project-based productivity.
  - Integrates comprehensive task management and project tracking directly into the focus timer workflow.
  - Provides detailed data visualization and productivity reports to help users analyze their long-term study habits.
- **[Flipd: focus & study timer](https://marlvel.ai/apps/flipd-focus-study-timer)** by Flipd Apps: Directly targets the 'digital detox' market with features that lock the phone to prevent distraction.
  - Implements a 'Full Lock' mode that prevents access to other apps during designated study sessions.
  - Focuses on community challenges and wellness content to support a broader mental health and productivity approach.

### Peers (What They Do Better)
- **[Endel: Focus & Sleep Sounds](https://marlvel.ai/apps/endel-focus-sleep-sounds)** by Endel: Adjacent competitor focusing on the auditory environment for focus rather than the timer mechanism itself.
  - Uses AI-generated, personalized soundscapes that adapt to the user's environment and circadian rhythm.
  - Positions itself as a wellness and sleep aid tool rather than a strict task-management timer.
- **[Be Focused Pro - Focus Timer](https://marlvel.ai/apps/com-xwavesoft-pomodoro)** by Denys Ievenko: A minimalist, utility-focused alternative for users who prefer simple Pomodoro tracking without gamification.
  - Offers a highly streamlined, no-frills interface that prioritizes quick timer setup over social or gamified features.
  - Provides deep integration with macOS and iOS ecosystems for seamless cross-device focus management.

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

- **Latest (v1.22.50, 4 months ago):** Introduced Break Log for study tracking, daily Check-ins for consistency, goal-oriented Missions, and a Premium Pass selection system using earned Coins.
<!-- /section:whats-new -->

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

- Ships bug fixes at ~127-day cadence.
- Introduced Break Log and Check-ins.

> **Cadence:** 2 total versions · 1 majors in last 6 months · 127 days since last update · 74 days avg between updates

<!-- /section:momentum -->

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

FLIP - Focus Timer for Study is a market-leading education app.
With a 4.29/5 rating from 38.9K reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Stability is the primary constraint on FLIP's growth. Rebuilding the background timer logic would unlock the retention potential of the existing user base, allowing the app to defend its position against higher-velocity rivals.
<!-- speakable-end -->

**Best for:** Students and professionals seeking to manage study habits and reduce smartphone distraction.

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

- [ ] [INVEST] Rebuild background process logic because timer crashes are the #1 churn risk → increase session completion rate
<!-- /section:pm-actions -->

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


- Desktop application (available in Be Focused Pro but absent here)
<!-- /section:feature-gaps -->

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

The focus-timer market is consolidating around apps that offer seamless cross-device integration and high-velocity live-ops. FLIP's current maintenance-only cadence leaves it exposed to rivals like Forest, whose frequent updates ensure platform stability and feature parity.

- 🔴 Persistent background timer crashes in the latest release erode the daily active habit, which compounds the rating drag already visible on Android.
- 🟢 The introduction of Break Log and Check-in features shows active feature investment, signaling that the developer is not in full maintenance mode.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.29/5 |
| Total Reviews | 38.9K |
| Sentiment | Excited (75/100) |
| Confidence | High |
| Pricing Model | Subscription |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **FLIP - Focus Timer for Study** (this app) | 4.29/5 | Excited | Rinasoft Inc. |
| [Endel: Focus & Sleep Sounds](https://marlvel.ai/apps/endel-focus-sleep-sounds) | 4.6/5 | n/a | Endel |
| [Study Bunny: Focus Timer](https://marlvel.ai/apps/study-bunny-focus-timer) | 4.7/5 | N/A | Justin Patrick Silang |
| [Forest: Focus for Productivity](https://marlvel.ai/apps/forest-focus-for-productivity) | 4.8/5 | Mixed | SEEKRTECH CO., LTD. |
| [Focus To-Do: Focus Timer&Tasks](https://marlvel.ai/apps/focus-to-do-focus-timer-tasks) | 4.8/5 | N/A | Shenzhen Tomato Software Technology Co., Ltd. |
| [Flipd: focus & study timer](https://marlvel.ai/apps/flipd-focus-study-timer) | 4.5/5 | Mixed | Flipd Apps |

## Company Profile
- **Developer:** Rinasoft Inc.
- **Website:** [https://www.rinasoft.co.kr](https://www.rinasoft.co.kr)
- **Social:** [Facebook](https://www.facebook.com/rinasoft.story)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/flip-focus-timer-for-study/id1435127190?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=kr.co.rinasoft.yktime&hl=en&gl=us)
- **Dev Site:** [Official Website](https://www.rinasoft.co.kr)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*Endel: Focus & Sleep Sounds*](https://marlvel.ai/apps/endel-focus-sleep-sounds) (Endel) · 4.6/5 Rating
- [*Study Bunny: Focus Timer*](https://marlvel.ai/apps/study-bunny-focus-timer) (Justin Patrick Silang) · 4.7/5 Rating
- [*Forest: Focus for Productivity*](https://marlvel.ai/apps/forest-focus-for-productivity) (SEEKRTECH CO., LTD.) · 4.8/5 Rating
- [*Focus To-Do: Focus Timer&Tasks*](https://marlvel.ai/apps/focus-to-do-focus-timer-tasks) (Shenzhen Tomato Software Technology Co., Ltd.) · 4.8/5 Rating
- [*Flipd: focus & study timer*](https://marlvel.ai/apps/flipd-focus-study-timer) (Flipd Apps) · 4.5/5 Rating
- [*Be Focused Pro - Focus Timer*](https://marlvel.ai/apps/com-xwavesoft-pomodoro) (Denys Ievenko) · 4.6/5 Rating
- [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) · 4.5/5 Rating
- [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) · 4.7/5 Rating
- [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) · 4.5/5 Rating
- [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) · 4.0/5 Rating

## Frequently Asked Questions {#faq}

### Is FLIP suitable for students with multiple classes?

The current free tier caps the number of trackable goals, which some students find insufficient for diverse academic schedules. Power users may need to upgrade to premium to manage multiple subjects effectively.

### How does FLIP compare to Forest?

Forest uses a gamified tree-planting mechanism linked to environmental impact, while FLIP focuses on a physical phone-flip interaction and real-time social study groups. Forest maintains a higher release cadence.

### Does FLIP work while using other apps?

Users report that the timer frequently stops or crashes when running in the background or when switching to other applications, which can prevent accurate tracking of study time.

### Are there alternatives to FLIP for focus tracking?

Users can consider Forest for gamified focus, Focus To-Do for task-integrated timers, or Flipd for more aggressive phone-locking features.

## 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:** 0.95/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 620
- **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:** 18 days since last refresh

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