Fertility Friend Ovulation App
v14.37 · 26.9 MB · code 2026042103
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File information
UpdatedApr 23, 2026
PublishedApr 7, 2021
Packagecom.tamtris.fertilityfriend
Versionv14.37 (2026042103)
Size26.9 MB
MD5dde37ee928247fac9b36e37805ef1fb1
Min SDK26
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA13E:E7:E7:F7:82:03:3E:E1:A9:B3:29:8B:78:72:C0:DB:D5:42:19:5B
SignerCN=FertilityFriend.com, OU=Unknown, O=Tamtris Web Services Inc., L=Ottawa, ST=Ontario, C=CA
Total downloads1,000,000
This version1,000,000
DeveloperTamtris Web Services Inc.
Age ratingEveryone
What's new in v14.37
Ovulation Tracker option on period tracker card, cycle wheel widget, bug fixes and UI adjustments.
Security scan
TRUSTED
- Developer signature verified 2026-04-23
- Signature SHA1 3E:E7:E7:F7:82:03:3E:E1:A9:B3:29:8B:78:72:C0:DB:D5:42:19:5B
- File MD5 dde37ee928247fac9b36e37805ef1fb1
How to install Fertility Friend Ovulation App v14.37 on Android 8.0 Oreo+
Takes about 2 minutes. You'll need roughly 26.9 MB of free storage.
- Grab com.tamtris.fertilityfriend_2026042103.apk — hit the Download button above (26.9 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches dde37ee928247fac…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.tamtris.fertilityfriend_2026042103.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=FertilityFriend.com, OU=Unknown, O=Tamtris Web Services Inc., L=Ottawa, ST=Ontario, C=CA. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Fertility Friend Ovulation App — tap Open on the install screen, or find the Fertility Friend Ovulation App icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for Fertility Friend Ovulation App
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 8.0 Oreo or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.