
At a glance
- Latest version
- v3.0 (3)
- Updated
- Sep 22, 2025 (1 year ago)
- APK size
- 8.2 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Lifestyle (app)
- Listed since
- Sep 14, 2020 (at least)
- Permissions
- 9
- Website
- devlabbd.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Diary with Lock : Secret diary is an app by DevLab in the Lifestyle category, listed since at least September 2020. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.0, the minimum Android version rose from 4.4 to 5.0. It asks for 9 permissions, none of them sensitive. The app can read the advertising ID that ad and analytics services use.
What's new in v3.0
Description
From the listing uploaded by “catappult”.
Version history
2 versions are listed, going back to v2.0. Since v3.0 it requires Android 5.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jun 26, 2024.
- Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Store checks and file details
- Developer signature verified Jun 26, 2024
- Validated against Google Play Jun 26, 2024
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)B3:B9:81:4F:59:BA:4F:0D:2A:5C:83:8A:92:26:1D:A7:71:45:4B:36
- File MD5a570f963ad69e2b20c8ffda6a9cdc717
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (9)
Diary with Lock : Secret diary requests 9 permissions, none of them sensitive.
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.devlabbd.diarywithlock.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Run foreground services android.permission.FOREGROUND_SERVICE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
Diary with Lock : Secret diary APK: questions and answers
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the Diary with Lock : Secret diary APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is a570f963ad69e2b20c8ffda6a9cdc717.