73
BU Score
Strong
AppLock Master
✍️ BU Analytics Review
“
AppLock Master is an Android app from Sepber in the Tools category, currently rated 4.3★ across 84,145 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 73 — Strong (healthy traction). For a Tools app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (84,145 ratings)METRIC | +$5,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| 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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v33.0.3🔄 updated 2y ago📂 Tools💰 Free📺 Ad-supported💎 IAP $1.49 - $9.49 per item🚀 Launched 2016 (9y old)
📝 About this app
⭐️ ⭐️ ⭐️ ⭐️ ⭐️ The best free App Lock ⭐️ ⭐️ ⭐️ ⭐️ ⭐️
Feature
🔒 Lock apps with PIN, Pattern
# Fingerprint (Only for Samsung devices with fingerprint sensor and Android 6.0 devices with fingerprint sensor)
# Random keyboard
# Time Password
# Show Password transformation
# Invisible Pattern
# Pattern size
🔒 Lock Incoming call, Recent tasks, Switch lock ( Wi-Fi , Bluetooth), Install/Uninstall and 3rd party apps.
🔒 Temporary unlock. You don't need to unlock apps every time
# Delay lock at time
# Lock your app at the device screen off
# Enter password once to unlock all
🔒 Cover (Disguise your App Lock screen to prevent from breaking into your password. fake Fingerprint scanner and fake Force close dialog will hide the real lock screen)
🔒 Lock screen orientation (System settings, Auto-rotate, Portrait, Landscape)
🔒 Hide AppLock Master icon
🔒 Intruder selfie
# Take a photo of who tried to unlock your device
🔒 Theme, background
# Background (Choose from gallery, System wallpaper, Transparent, Blur)
# Theme
# Theme customize (Show theme icon, show app name, hint message)
🔒 Animation lock screen
# Animation type (Fade, Zoom, Slide left, Slide right, Slide up, Slide down)
----------------FAQ----------------
1. How to open AppLock Master after hide AppLock Master icon
- You can using 2 way below to open AppLock Master again
+ Visit web https://apps.sepber.com/AppLockMaster/Support/applock_master_open.php
+ Drag out widget icon of AppLock Master and click to open
2. How to uninstall AppLock?
After you turn on uninstall prevention, nobody can uninstall AppLock without password. If you want to uninstall it, please turn off uninstall prevention first.
3. How to use time PIN?
- Device's time will combine with your PIN at end.
Ex: If the time is 19:02, ***1902 would be your PIN (*** is your PIN)
AppLock uses the Device Administrator permission. (only used to prevent AppLock being uninstalled and stopped)
Any issues or suggest for AppLock Master, welcome to send email to us!
Email: support@sepber.com
Facebook: https://facebook.com/sepber.fanpage
Feature
🔒 Lock apps with PIN, Pattern
# Fingerprint (Only for Samsung devices with fingerprint sensor and Android 6.0 devices with fingerprint sensor)
# Random keyboard
# Time Password
# Show Password transformation
# Invisible Pattern
# Pattern size
🔒 Lock Incoming call, Recent tasks, Switch lock ( Wi-Fi , Bluetooth), Install/Uninstall and 3rd party apps.
🔒 Temporary unlock. You don't need to unlock apps every time
# Delay lock at time
# Lock your app at the device screen off
# Enter password once to unlock all
🔒 Cover (Disguise your App Lock screen to prevent from breaking into your password. fake Fingerprint scanner and fake Force close dialog will hide the real lock screen)
🔒 Lock screen orientation (System settings, Auto-rotate, Portrait, Landscape)
🔒 Hide AppLock Master icon
🔒 Intruder selfie
# Take a photo of who tried to unlock your device
🔒 Theme, background
# Background (Choose from gallery, System wallpaper, Transparent, Blur)
# Theme
# Theme customize (Show theme icon, show app name, hint message)
🔒 Animation lock screen
# Animation type (Fade, Zoom, Slide left, Slide right, Slide up, Slide down)
----------------FAQ----------------
1. How to open AppLock Master after hide AppLock Master icon
- You can using 2 way below to open AppLock Master again
+ Visit web https://apps.sepber.com/AppLockMaster/Support/applock_master_open.php
+ Drag out widget icon of AppLock Master and click to open
2. How to uninstall AppLock?
After you turn on uninstall prevention, nobody can uninstall AppLock without password. If you want to uninstall it, please turn off uninstall prevention first.
3. How to use time PIN?
- Device's time will combine with your PIN at end.
Ex: If the time is 19:02, ***1902 would be your PIN (*** is your PIN)
AppLock uses the Device Administrator permission. (only used to prevent AppLock being uninstalled and stopped)
Any issues or suggest for AppLock Master, welcome to send email to us!
Email: support@sepber.com
Facebook: https://facebook.com/sepber.fanpage
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- AppLock Master
- Developer
- Sepber
- Bundle ID
- com.ammy.applock
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.sepber.com
- 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
- $1.8K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $1.49 - $9.49 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 growth84,145 ratings+25% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 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.
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