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PIN Mnemonic (Privacy Friendly) icon

PIN Mnemonic (Privacy Friendly)

Helps you to memorize PIN codes

Developer
SECUSO - Security Usability Society
License
GPL-3.0-or-later
Package
org.secuso.privacyfriendlypin
Category
Password & 2FA, Security, System
Latest version
2.0.6 · Jul 11, 2025
Minimum Android
Android 4.2

Download 2.0.6

Screenshots

PIN Mnemonic (Privacy Friendly) screenshot 1 PIN Mnemonic (Privacy Friendly) screenshot 2 PIN Mnemonic (Privacy Friendly) screenshot 3

Description

Provides strategies to memorize a 4-digit PIN. Therefore it determines whether
the PIN forms a T9-word, underlies a mathematical rule or forms a date or year.

It is part of the Privacy Friendly Apps developed by the SECUSO research group
of the Technische Universtität Darmstadt in Germany.

All versions

VersionReleasedMinimum AndroidSize
2.0.6 Jul 11, 2025 Android 4.2 4.7 MB
2.0.5 Apr 25, 2025 Android 4.2 4.7 MB
2.0.4 Jan 6, 2025 Android 4.2 2.9 MB
2.0.3 Oct 27, 2023 Android 4.2 2.9 MB
2.0.1 Nov 11, 2016 Android 4.2 2 MB
2.0 Nov 4, 2016 Android 4.2 2 MB
1.3 Feb 18, 2016 Android 4.1 1.4 MB
1.2 Feb 5, 2016 Android 4.1 1.4 MB
1.1 Feb 1, 2016 Android 4.1 1.4 MB

How to install an older version of an Android app · How to install an APK file on Android

From the developer (GitHub)

APK files published by the developer on GitHub. They are signed by the developer and may not install over the other builds on this page (different signature). Links open github.com.

v2.0.6 · Jul 4, 2025
pin-mnemonic-release-v2.0.6.apk 4.7 MB
v2.0.5 · Apr 19, 2025
pin-mnemonic-release-v2.0.5.apk 4.7 MB
v2.0.4 · Jan 2, 2025
pin-mnemonic-release-v2.0.4.apk 2.9 MB

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