--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Vibrating Alarm Clock & Timer" developer_entity: "manabu ueda" bundle_id: "deve21.app.ios.TimerForVibration" app_store_id: "1659194791" category: "Lifestyle" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-06-14" report_date: "2026-08-23" last_verified: "2026-08-23T00:00:00.000Z" report_version: "1.10.4" total_reviews: 101 overall_rating: 4.4 sentiment: "Excited" sentiment_score: 65 confidence: "medium" confidence_score: 0.6 top_praise_theme: "Silent vibration alerts provide a discreet way to manage meditation sessions without disturbing others nearby" top_complaint_theme: "Alarms continue to trigger even after users toggle them off, causing significant user frustration" review_sample_size: 22 total_review_count: 22 analyzed_review_count: 22 data_age_days: 38 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["lifestyle", "freemium", "excited sentiment", "mobile app", "app review", "app analysis", "users", "requiring", "silent"] canonical_url: "https://marlvel.ai/apps/vibrating-alarm-clock-timer" license: "CC-BY-NC 4.0" content_version: "v2" --- # Vibrating Alarm Clock & Timer Intelligence Report ## TL;DR {#tldr} - **Category**: Lifestyle · Freemium - **Signal**: Rating 4.41 · Sentiment Excited - **Recent focus**: Alarms continue to trigger even after users toggle them off, causing significant user frustration (top complaint) · Silent vibration alerts provide a discreet way to manage meditation sessions without disturbing others nearby (top praise) > **TL;DR:** Vibrating Alarm Clock & Timer is a lifestyle app by manabu ueda, rated 4.41/5 by 101 users, with Excited user sentiment (65/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Vibrating Alarm Clock & Timer maintains Excited user sentiment (4.41/5 from 101 reviews), with users consistently praising silent vibration alerts provide a discreet way to manage meditation sessions without disturbing others nearby. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.41/5 (101 reviews) | | **User Mood** | Excited | | **Category** | Lifestyle | | **Developer** | manabu ueda | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Medium (0.6/1.0) | | **Data Age** | 38d | ## Metadata & Market Performance - **Publisher:** manabu ueda - **Category:** Lifestyle - **Target Audience:** Users requiring silent alerts for public transit, workplace naps, or quiet environments like libraries. - **Platforms:** iOS - **Version Reviewed:** 1.10.4 - **Report Date:** 2026-08-23 - **Signal Count:** 22 reviews analyzed - **Confidence:** Medium (0.6/1.0) - **App Store ID (iOS):** 1659194791 - **Bundle ID:** deve21.app.ios.TimerForVibration - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-08-23 ## Executive Snapshot **What it is:** Vibrating Alarm Clock & Timer is a haptic-only alarm and timer tool for iOS that triggers silent alerts regardless of device volume settings. **Why users hire it:** Users choose this tool to avoid the social or cognitive friction of audible alarms in quiet public spaces or during shared activities. ## App DNA (Features & Intent) - **[Differentiator] Vibration-only notifications:** Triggers haptic alerts without playing audio, even when the device volume is enabled. * *User Intent:* Users want timely prompts to stay engaged without missing updates. - **[Standard] Unlimited alarm storage:** Allows creation of multiple alarms without quantity limits. - **[Standard] Theme customization:** Provides access to 20 color themes via one-time purchase. * *User Intent:* Users value self-expression and personalized experiences. ## Market Position {#market-position} Vibrating Alarm Clock & Timer maintains a 4.4-star rating across 101 reviews, positioning itself as a niche utility in the Lifestyle category. The reliance on a one-time purchase model provides a low-friction entry point compared to subscription-heavy competitors. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free with ads, One-time purchase for ad removal and themes - **Analysis:** The app uses a one-time purchase to gate aesthetic themes and remove ad-inventory, favoring a low-friction entry over recurring subscription models. ## 🟢 User Sentiment (Medium Confidence: 22 of 22 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.41/5 - **Platform Split:** iOS 4.4/5 (101 ratings) - **Overall Sentiment:** Excited ### Top Praises - **Silent vibration alerts provide a discreet way to manage meditation sessions without disturbing others nearby** - **Gentle vibration patterns offer a less jarring wake-up experience compared to traditional loud alarm clocks** - **Reliable backup alarm functionality assists users with hearing impairments in ensuring they wake up on time** ### Top Complaints (Impact Areas) - **Alarms continue to trigger even after users toggle them off, causing significant user frustration** ## SWOT Analysis {#swot} **Core Strengths:** - Vibration-only notification mechanism functions as a specialized utility for sound-sensitive environments **Growth Levers:** - Implementing a continuous-buzzing mode would address the top user request for more reliable wake-up alerts ## Recent Changes (v2 → v3) {#recent-changes} The outlook has transitioned from mixed to declining due to persistent technical stagnation, though the developer has initiated a new plan to build a continuous-alarm toggle to improve core utility. **Overall trend**: Declining **Compared at**: 2026-08-23 ### High-impact changes - **[Declined] Outlook Trend Downgrade** (positioning) ### Medium-impact changes - **[Added] New Development Opportunity** (swot) - **[Added] PM Action Item: Continuous-Alarm Toggle** (features) ## What's New - **Latest (v1.10.4, 2 months ago):** General bug fixes and stability improvements. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes only. - No major feature updates. > **Cadence:** 1 total versions · 0 majors in last 6 months · 69 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Vibrating Alarm Clock & Timer is a market-leading lifestyle app that is free with in-app purchases. With a 4.41/5 rating from 101 reviews, it delivers strong user satisfaction. > **Bottom Line:** Vibrating Alarm Clock & Timer provides a clear utility for silent alerting, but the failure of the alarm-dismissal mechanism threatens the core retention loop. Addressing this technical instability is the prerequisite for converting the current user base into long-term advocates. **Best for:** Users requiring silent alerts for public transit, workplace naps, or quiet environments like libraries. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit alarm-dismissal logic because recurring user reports indicate the stop mechanism fails to trigger → reduce daily annoyance ### Outlook: Declining The app is in a maintenance-only state with no feature expansion over the last 69 days, leaving critical bugs unaddressed. This stagnation, combined with safety concerns regarding ad content, suggests a declining outlook unless the developer pivots to address core reliability and ad-network quality. - 🔴 Persistent alarm-dismissal bugs erode the daily active habit, which compounds the frustration already visible in recent user reviews. - 🔴 Inappropriate ad content surfacing in the interface creates a safety concern, which risks long-term brand viability for a family-rated app. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.41/5 | | Total Reviews | 101 | | Sentiment | Excited (65/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Vibrating Alarm Clock & Timer** (this app) | 4.41/5 | Excited | manabu ueda | | [Alarmy - Loud alarm clock](https://marlvel.ai/apps/alarmy-loud-alarm-clock) | 4.8/5 | Excited | Delight Room Co., Ltd. | | [Journey - Diary, Journal](https://marlvel.ai/apps/com-journey-ios-app) | 4.6/5 | Excited | Two App Studio Pte. Ltd. | | [Tinder Dating App: Date & Chat](https://marlvel.ai/apps/tinder-dating-app-date-chat) | 4.0/5 | n/a | Tinder LLC | | [Alarmie: Easy Rise Alarm Clock](https://marlvel.ai/apps/alarmie-easy-rise-alarm-clock) | 4.4/5 | Mixed | Jintian Wang | | [AlarmMon ( alarm clock )](https://marlvel.ai/apps/alarmmon-alarm-clock) | 4.3/5 | n/a | Malang Studio Co. Ltd, | ## Company Profile - **Developer:** manabu ueda - **Website:** [https://takaat.github.io/app-ads.txt](https://takaat.github.io/app-ads.txt) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/vibrating-alarm-clock-timer/id1659194791?uo=4) - **Dev Site:** [Official Website](https://takaat.github.io/app-ads.txt) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Alarmy - Loud alarm clock*](https://marlvel.ai/apps/alarmy-loud-alarm-clock) (Delight Room Co., Ltd.) · 4.8/5 Rating | Positive Sentiment - [*Journey - Diary, Journal*](https://marlvel.ai/apps/com-journey-ios-app) (Two App Studio Pte. Ltd.) · 4.6/5 Rating | Positive Sentiment - [*Tinder Dating App: Date & Chat*](https://marlvel.ai/apps/tinder-dating-app-date-chat) (Tinder LLC) · 4.0/5 Rating - [*Alarmie: Easy Rise Alarm Clock*](https://marlvel.ai/apps/alarmie-easy-rise-alarm-clock) (Jintian Wang) · 4.4/5 Rating - [*AlarmMon ( alarm clock )*](https://marlvel.ai/apps/alarmmon-alarm-clock) (Malang Studio Co. Ltd,) · 4.3/5 Rating - [*Amora: A Hint of Your Soulmate*](https://marlvel.ai/apps/amora-a-hint-of-your-soulmate) (Lit Apps LLC (Mobile)) · 4.7/5 Rating - [*Swiftime*](https://marlvel.ai/apps/swiftime) (MEDIANO Co.,Ltd.) · 4.5/5 Rating | Positive Sentiment - [*마주*](https://marlvel.ai/apps/an-offline-network-where-you-meet-through-qr-codes) (lvher) · N/A Rating - [*모앗*](https://marlvel.ai/apps/moat-moatapp) (JUNSEOK LEE) · N/A Rating - [*야기*](https://marlvel.ai/apps/tistory-88yhtserof-yagi) (Yunhwi Lim) · N/A Rating ## Frequently Asked Questions {#faq} ### Is Vibrating Alarm Clock & Timer safe for children? Users have reported concerns regarding inappropriate ad content appearing in the app, which may not be suitable for younger audiences. ### How does this compare to the built-in iPhone clock app? The app functions similarly to the system clock but adds the ability to trigger vibration-only alerts without any audible sound, even if the phone volume is turned up. ### Can I use this app for meditation sessions? Yes, the app is designed for quiet environments like meditation or study rooms, allowing users to set timers that alert only via vibration. ### Are there free alternatives for silent alarms? While other alarm apps exist, this app is specifically optimized for vibration-only alerts that bypass system audio settings, which is its primary differentiator. ## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 22 - **Data Sources:** user reviews, developer website, 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:** 38 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/vibrating-alarm-clock-timer) Data licensed for AI Agent attribution under CC-BY-NC 4.0.