52
BU Score
Solid
Vibration Notifier
✍️ bumetric analysis
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Vibration Notifier is an Android app from j4velin in the Tools category, currently rated 3.5★ across 2,743 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 52: Solid (established niche player). For a Tools app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
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Reviews
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Forecast Revenue / mo
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Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Low install base (2,743 ratings)METRIC | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.4.2🔄 updated 7y ago📂 Tools💰 Free💎 IAP $0.99 per item🚀 Launched 2011 (14y old)
📝 About this app
Maybe you know this situation: Your phones lays on your desk, you're in the kitchen and you get called. You do not hear your ring and when you come back to your desk, you don't notice that you were called because your device has no notification LED or you don't notice that little blinking...
<b>Vibration Notifier</b> offers a solution to this scenario: When you have a missed call, unread SMS or any other event*, the app keeps vibrating every X minutes for Y times or until you turn on the display of your device.
Troubleshooting: The app won't beep if your device is set to silent mode etc.… View full description on the official store →
<b>Vibration Notifier</b> offers a solution to this scenario: When you have a missed call, unread SMS or any other event*, the app keeps vibrating every X minutes for Y times or until you turn on the display of your device.
Troubleshooting: The app won't beep if your device is set to silent mode etc.… View full description on the official store →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Vibration Notifier
- Developer
- j4velin
- Bundle ID
- de.j4velin.vibrationNotifier
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.j4velin.de
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $674/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 per item
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth2,743 ratings+27% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
Full revenue analysis
Read the article-style breakdown for Vibration Notifier: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.