FFI Appið
v4.20 · 83.5 MB · code 94
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File information
UpdatedJan 4, 2026
PublishedApr 22, 2021
Packagecom.app.twoway.ffi
Versionv4.20 (94)
Size83.5 MB
MD5366a2d4199bf826559f7be1ae366eba6
Min SDK23
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA1CD:BA:3F:0D:B8:F5:82:28:F8:DC:30:D1:F6:53:D7:41:83:12:54:DC
SignerCN=Gu?mundur St. Sigur?sson, OU=FFI, O=FFI, L=Kopavogur, C=IS
Total downloads1,000
This version1,000
DeveloperFlugfreyjufélag Íslands
Age ratingEveryone
What's new in v4.20
NEW
Community (chat) module – If enabled, 1-on-1 chats, group chats, and channels.
IMPROVEMENTS
* Notification settings – expanded options, including email preferences.
* Email fallback – if a push notification fails, an email will be sent to ensure important information is delivered.
* Destination reporting – new report templates available in the Destination module.
* Surveys – now remain visible in the Activity feed after closing.
* General updates – major component upgrades and other fixes.
Community (chat) module – If enabled, 1-on-1 chats, group chats, and channels.
IMPROVEMENTS
* Notification settings – expanded options, including email preferences.
* Email fallback – if a push notification fails, an email will be sent to ensure important information is delivered.
* Destination reporting – new report templates available in the Destination module.
* Surveys – now remain visible in the Activity feed after closing.
* General updates – major component upgrades and other fixes.
Security scan
TRUSTED
- Developer signature verified 2026-01-04
- Signature SHA1 CD:BA:3F:0D:B8:F5:82:28:F8:DC:30:D1:F6:53:D7:41:83:12:54:DC
- File MD5 366a2d4199bf826559f7be1ae366eba6
How to install FFI Appið v4.20 on Android 6.0 Marshmallow+
Takes about 2 minutes. You'll need roughly 83.5 MB of free storage.
- Grab com.app.twoway.ffi_94.apk — hit the Download button above (83.5 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 366a2d4199bf8265…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.app.twoway.ffi_94.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=Gu?mundur St. Sigur?sson, OU=FFI, O=FFI, L=Kopavogur, C=IS. 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 FFI Appið — tap Open on the install screen, or find the FFI Appið icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for FFI Appið
- "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 6.0 Marshmallow 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.