---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Vibe Alarm - Silent Timer"
developer_entity: "Kosuke Shimada"
bundle_id: "com.pomsworks.VibeAlarm"
app_store_id: "6748874420"
category: "Lifestyle"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2025-09-27"
report_date: "2026-08-27"
last_verified: "2026-08-27T00:00:00.000Z"
report_version: "1.6.0"
total_reviews: 0
confidence: "low"
confidence_score: 0.2
data_age_days: 35
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["lifestyle", "free", "mobile app", "app review", "app analysis", "commuters,", "students,", "office"]
canonical_url: "https://marlvel.ai/apps/vibe-alarm-silent-timer"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Vibe Alarm - Silent Timer Intelligence Report

## TL;DR {#tldr}

- **Category**: Lifestyle · Free

> **TL;DR:** Vibe Alarm - Silent Timer is a lifestyle app by Kosuke Shimada, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Vibe Alarm - Silent Timer is a lifestyle app by Kosuke Shimada.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Lifestyle |
| **Developer** | Kosuke Shimada |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 35d |

## Metadata & Market Performance
- **Publisher:** Kosuke Shimada
- **Category:** Lifestyle
- **Target Audience:** Commuters, students, and office workers who require silent time management tools for focus or naps in public or shared spaces.
- **Platforms:** iOS
- **Version Reviewed:** 1.6.0
- **Report Date:** 2026-08-27
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 6748874420
- **Bundle ID:** com.pomsworks.VibeAlarm
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-27

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Vibe Alarm - Silent Timer is a utility app for iOS that provides vibration-only notifications for time management.
**Why users hire it:** The app removes the social friction of using audible timers in shared or quiet spaces like libraries and public transport.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Vibration-only notifications:** Alerts users via haptic patterns instead of audio, allowing for time management in sound-restricted environments.
  * *User Intent:* Users want timely prompts to stay engaged without missing updates.
- **[Differentiator] Proximity sensor auto-off:** Turns off the screen when the device is covered to conserve battery during active timer sessions.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Standard] Home screen widgets:** Provides direct access to history and favorite timer settings from the iOS home screen.
  * *User Intent:* Users seek enhanced value through premium features.
<!-- /section:features -->

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

Vibe Alarm - Silent Timer occupies a niche utility space for silent time management on iOS. The lack of a monetization model or recent feature updates suggests a maintenance-only posture rather than a growth-oriented market strategy.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is currently offered as a free utility with no visible in-app purchases or subscription gates.

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

**Core Strengths:**
- Vibration-only notification mechanism enables time management in sound-restricted environments

**Growth Levers:**
- Implementing a premium tier could monetize the niche audience relying on the app for daily focus sessions


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app's competitive outlook has shifted from a neutral observation of maintenance-only status to an active critique of its lack of monetization and vulnerability to general-purpose competitors. No functional changes to the app's feature set or pricing model occurred during this period.

**Overall trend**: Stable
**Compared at**: 2026-08-27

### High-impact changes
- **[Shifted] Monetization focus** (positioning)

### Medium-impact changes
- **[Added] Monetization opportunity** (swot)
- **[Added] Competitive threat** (swot)

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

- **Latest (v1.6.0, 11 months ago):** Refined the timer screen user interface.
<!-- /section:whats-new -->

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

- Dormant development for 11 months
- Last major release September 2025

> **Cadence:** 1 total versions · 0 majors in last 6 months · 334 days since last update

<!-- /section:momentum -->

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

Vibe Alarm - Silent Timer is a lifestyle app that is completely free.

<!-- speakable-start -->
> **Bottom Line:** Vibe Alarm - Silent Timer provides a clear utility for silent time management, but the lack of development cadence limits its growth potential. Establishing a monetization model is necessary to justify further investment in the product.
<!-- speakable-end -->

**Best for:** Commuters, students, and office workers who require silent time management tools for focus or naps in public or shared spaces.

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

- [ ] [MAINTAIN] Audit user retention because the app has been dormant for 11 months → determine if the current user base is still active
<!-- /section:pm-actions -->

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

The silent timer market is consolidating around utilities that offer broader feature sets, such as integrated focus tracking. Vibe Alarm - Silent Timer remains a niche tool, but without a roadmap for monetization or feature expansion, it risks being displaced by more active competitors.

- 🔴 The 11-month gap in major updates suggests the app is in maintenance mode, which limits its ability to compete with active utilities.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Vibe Alarm - Silent Timer** (this app) | N/A/5 | N/A | Kosuke Shimada |
| [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:** Kosuke Shimada
- **Website:** [https://vibe-alarm.web.app/en/](https://vibe-alarm.web.app/en/)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/vibe-alarm-silent-timer/id6748874420?uo=4)
- **Dev Site:** [Official Website](https://vibe-alarm.web.app/en/)
- **Sources:** Developer website content, App store metadata.

## 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 Vibe Alarm - Silent Timer free to use?

Yes, Vibe Alarm - Silent Timer is currently offered as a free utility with no in-app purchases or subscription gates.

### Does Vibe Alarm - Silent Timer work in silent mode?

Yes, the app is designed specifically for sound-restricted environments and uses vibration patterns instead of audio to alert users.

### What is the main benefit of using Vibe Alarm - Silent Timer?

The app allows users to manage time in environments where sound is not allowed, such as libraries, public transit, or shared offices, by using haptic alerts.

## 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:** 0.2/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** 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:** 35 days since last refresh

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