Vault - Hide Pics, App Lock Android
Vault - Hide Pics, App Lock gets 1k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Vault - Hide Pics, App Lock is #45 in Business Free on Google Play in Saudi Arabia and charting in 3 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperWafer Co.
CategoryBusiness
PriceFree
Released
Installs100M+
Rating★ 4.3 (1.3M)
Updated
Content ratingEveryone
Rating
4.3 ★
1.3M ratings
Measured
Best rank now
#45
Business FreeMeasured
Vault - Hide Pics, App Lock on Google Play
App details
App ID
com.netqin.ps
Publisher
MOUTRENB SCIENCE & TECHNOLOGY LIMITED
Publisher country
Hong Kong
Content rating
Everyone
Vault - Hide Pics, App Lock downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Vault - Hide Pics, App Lock's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Vault - Hide Pics, App Lock before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Ad-led
How Vault - Hide Pics, App Lock makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 14 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Saudi Arabia | BusinessFree | #45 |
 Germany | BusinessFree | #149 |
 United Arab Emirates | BusinessFree | #52 |
Apps near Vault - Hide Pics, App Lock on the chart
Business Free, around #45.
Ratings
Google Play, worldwide.
Rating
4.3 ★
1.3M ratings
Measured
Ratings
1.3M
Measured
Written reviews
55k
Measured
About Vault - Hide Pics, App Lock
Vault is a mobile app designed to hide private photos, videos on your phone. Currently there are more than 100 million users worldwide using Vault to protect their mobile privacy while enjoying App Lock, Private Bookmark, Incognito Browser, Cloud Backup and many other helpful features for completely free! Join them now!
Top Features
☆ Hide and Protect Photos & videos: Photos and videos imported into phone can only be viewed or played after the correct password is entered. These photos and videos can also be backed up to Cloud Space for better protection.
☆ App Lock (Privacy Protection): Use App Lock to protect your social, photo, call logs and telephone apps to prevent privacy leak.
☆ Private Browser: With Private browser, your internet surf will leave no traces behind. There is also Private Bookmark feature.
☆ Cloud Backup: Back up your photos and videos to Cloud so they never get lost.
☆ Data Transfer:With Cloud Backup feature, you could easily transfer your data to a new phone by cross-device synchronization.
☆ Password recovery: Worried about forgetting your password? Set a security email in Vault so you can retrieve it.
Advanced Features
► Multiple Vault & Fake Vault
Create multiple vaults with different passwords for storing photos, videos respectively. And one of them can be a fake vault.
► Stealth Mode
Make Vault icon disappear from your home screen and it can only be found again with the correct password, so no one knows it exists.
► Break-in Alerts
Secretly snaps a picture of any one who attempts to access with a wrong password. Vault captures a photo, the time stamp and PIN code entered by all intruders.
Support:
► Q&A:
1. What if I forgot my password?
If you have a security Email set up before, you should be able to see a "Forgot Password" en-trance once you input the wrong password. Tap on the entrance and follow the instructions to reset your password.
If you do not have a security Email but you had backed up your data to cloud space, then the data can be recovered from the cloud by reinstalling Vault app.
2. How do I enter vault in stealth mode？
1. Put Vault back to the phone’s home screen by adding Vault widget, once it appears on home screen, tap on it, and then input your password to enter, or,
2. Download "NQ calculator" in Google Play, open it, and input correct password then tap "=".
3. Why are my photos/videos lost?
Some cleaning or free storage apps may automatically delete Vault’s data folder used to store pictures and videos. So, as a best practice, please do not choose to delete Vault’s data folder and subfolders (mnt/sdcard/SystemAndroid) when you use such apps.
You can also backup your pictures and videos to cloud by using "Cloud Backup" feature in the premium page of Vault.
This app uses the Device Administrator permission.
Top Features
☆ Hide and Protect Photos & videos: Photos and videos imported into phone can only be viewed or played after the correct password is entered. These photos and videos can also be backed up to Cloud Space for better protection.
☆ App Lock (Privacy Protection): Use App Lock to protect your social, photo, call logs and telephone apps to prevent privacy leak.
☆ Private Browser: With Private browser, your internet surf will leave no traces behind. There is also Private Bookmark feature.
☆ Cloud Backup: Back up your photos and videos to Cloud so they never get lost.
☆ Data Transfer:With Cloud Backup feature, you could easily transfer your data to a new phone by cross-device synchronization.
☆ Password recovery: Worried about forgetting your password? Set a security email in Vault so you can retrieve it.
Advanced Features
► Multiple Vault & Fake Vault
Create multiple vaults with different passwords for storing photos, videos respectively. And one of them can be a fake vault.
► Stealth Mode
Make Vault icon disappear from your home screen and it can only be found again with the correct password, so no one knows it exists.
► Break-in Alerts
Secretly snaps a picture of any one who attempts to access with a wrong password. Vault captures a photo, the time stamp and PIN code entered by all intruders.
Support:
► Q&A:
1. What if I forgot my password?
If you have a security Email set up before, you should be able to see a "Forgot Password" en-trance once you input the wrong password. Tap on the entrance and follow the instructions to reset your password.
If you do not have a security Email but you had backed up your data to cloud space, then the data can be recovered from the cloud by reinstalling Vault app.
2. How do I enter vault in stealth mode？
1. Put Vault back to the phone’s home screen by adding Vault widget, once it appears on home screen, tap on it, and then input your password to enter, or,
2. Download "NQ calculator" in Google Play, open it, and input correct password then tap "=".
3. Why are my photos/videos lost?
Some cleaning or free storage apps may automatically delete Vault’s data folder used to store pictures and videos. So, as a best practice, please do not choose to delete Vault’s data folder and subfolders (mnt/sdcard/SystemAndroid) when you use such apps.
You can also backup your pictures and videos to cloud by using "Cloud Backup" feature in the premium page of Vault.
This app uses the Device Administrator permission.
What's new in 6.9.13.22.22
General fixes and stability improvements.
Added support for Android 16
Added support for Android 16