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Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v8.5, uploaded Sep 10, 2026 — about 10 months after this one.
- Size: this file is 5.1 MB; the latest is 12.2 MB (7.1 MB larger).
- Android: this version needs Android 7.0+; the latest needs Android 6.0+.
- The latest version asks for 14 more permissions: Access adservices ad id, Access adservices attribution, Access adservices topics, View network connections, Run foreground services, Find accounts on the device, Show notifications, Quickboot poweron….
- The latest version no longer asks for: Approximate location, Precise location.
File information
- Version
- v999.0 (999)
- Uploaded
- Nov 20, 2025
- Size
- 5.1 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- Any (no native code)
- Screen
- Small screens and larger
- MD5
- a6c141b70aea944236243ec08db65494
- Signing certificate (SHA-1)
- 47:18:E1:5B:8D:50:DD:DD:6F:A1:07:E8:62:80:F1:00:AD:E3:5C:3C
- Signed by
- ST=YtM4q0ASX3bY, L=YtM4q0ASX3bY, O=YtM4q0ASX3bY, OU=YtM4q0ASX3bY, CN=YtM4q0ASX3bY
- File name
- com-smsrobot-period-999-72426226-a6c141b70aea944236243ec08db65494.apk
- Package
- com.smsrobot.period
- Downloads (all versions)
- 10M+
- Age rating
- PEGI 3 · Everyone
What's new in v999.0
Thank you for using Lilly Tracker. This is a bug fix update that improves Period Tracker performance!
Permissions (4)
This version requests 4 permissions, 2 of them sensitive.
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.smsrobot.period.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Security & authenticity
Security rating: Unknown
Signing certificate
- Certificate issued to “YtM4q0ASX3bY” Not the developer's name (“SMSROBOT LTD”). Names in certificates can't be verified, so this alone proves nothing.
- Signed differently from the Google Play version v8.5, v8.4, v8.3 and v8.2, which match Google Play, use another certificate. Android normally won't update an installed Play Store copy with this file. v8.5 · v8.4 · v8.3 · v8.2
Store checks
- Developer signature not checked yet Nov 20, 2025
- Uploaded by “bhh34rtdrg” uploading since 2025
Scans come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (4 other versions compared). AAPKs doesn't scan files itself.
How to install Period and Ovulation Tracker on Android 7.0+
You'll need about 10.2 MB of free space.
- Download the APK — tap Download APK above (5.1 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap com-smsrobot-period-999-72426226-a6c141b70aea944236243ec08db65494.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be a6c141b70aea944236243ec08db65494. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. This file has no malware rating from the source store. If Play Protect warns about it, tap Cancel. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open Period and Ovulation Tracker — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 7.0+). Download it again, or pick an older version.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.