OK.secure app icon

OK.secure

What happens in OK.secure stays in OK.secure

Fast Finance 24 S.L. · com.oksecure.app

Not rated yet 10K+ downloads v2.2.1 161.6 MB Android 6.0+ PEGI 3 · Everyone

  • Signature matches the Google Play version Details

At a glance

Latest version
v2.2.1 (2020101)
Updated
Apr 16, 2026 (6 months ago)
APK size
161.6 MB
Requires
Android 6.0+ (API 23)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics
OpenGL ES 2.0+
Category
Communication (app)
Listed since
Nov 4, 2020 (at least)
Permissions
43 (10 sensitive)
Website
oksecure.de
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

OK.secure is an app by Fast Finance 24 S.L. in the Communication category, listed since at least November 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 2.0.12, the APK grew from 53 MB to 161.6 MB and the minimum Android version rose from 5.0 to 6.0. It asks for 43 permissions, 10 of them sensitive, including precise location, camera and record audio. It asks for the same permissions as version 2.0.12.

What's new in v2.2.1

Introducing OK.ai: Your new built-in AI assistant in OK.secure—ready with quick answers, smart suggestions, message drafting, travel ideas, and more. Seamless & Private: Fully integrated with short, helpful replies and strict privacy—OK.ai never reads your messages or collects sensitive data. Free & Available Now: Smarter, privacy-first communication with OK.ai is now in your OK.secure app.

Description

From the listing uploaded by “appupdater”.

Private Encrypted Messenger & Crypto Wallet platform. The OK.secure app with end-to-end encryption based on blockchain technology for your private and secure communication. OK.secure only requires your internet connection. NO telephone charges for calls, chat with your friends or make a video call with family, friends or colleagues at no additional cost from anywhere in the world. > Encrypted Messenger with File-Sharing - Chat feature with group chat - Receive messages only AFTER accepted invitation; communicate securely and exclusively with your contacts, no threat to privacy - Voice and video calls: Call your friends, family, colleagues and partners anywhere in the world - Screen sharing, privately share your screen with your contacts during the call (web application) - Share files securely and privately, including photos, videos, and voice messages (web application) - Military-grade end-to-end encryption for all features (256-bit AES encryption; RSA 2048-bit key cryptography; Elliptic Curve Cryptography; PBKDF2 key derivation with SHA-256 hashing) OK.secure is simple, FREE and easy to use. OK.secure protects your privacy by encrypting all of your messages and data at NO EXTRA CHARGE. We offer the highest level of security and privacy. Our OK.secure platform operates on a ZERO-KNOWLEDGE principle, providing complete data security. No one but you has access to YOUR personal information. OK.secure privacy features include: * End-to-end encrypted communications and data * Blockchain technology for decentralized digital identities * Decentralized cloud storage * Zero knowledge concept - we can never see your messages or data * Push notifications notify you when new messages arrive * Integrated into the OK.secure web application - use the full range of features from your PC / Mac * Protected privacy - your encrypted data is never be shared with third parties > Crypto Wallet In addition to being a secure messenger, our latest update includes the all-new Crypto Wallet, a one-stop shop for all your crypto needs. Keep all your valuable and private crypto assets in one secure place with end-to-end encryption built into the blockchain. * Store: Keep all your crypto in the most secure place in your own non-custodial crypto wallet (BTC wallet, Ethereum wallet) built into the OK.secure app * DeFi: Buy and trade digital assets from your crypto wallet Wallet features: * Non-custodial multi-cryptocurrency wallet with Bitcoin, Ethereum & Binance Smart Chain support * Crypto/Fiat exchange * Send/request/pay crypto directly in chat * QR scan for easy crypto payments * Biometric authentication * Buy gift cards and vouchers with crypto Visit our knowledge-base: https://www.ok.de/faq Follow us: https://business.facebook.com/OK.de.email What happens in OK.secure stays in OK.secure!

Version history

2 versions are listed, going back to v2.0.12. Since v2.2.1 it requires Android 6.0+.

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Apr 16, 2026.
  • Same certificate as the other version checked

Store checks and file details

  • Developer signature under review May 8, 2026
  • Validated against Google Play Apr 16, 2026
  • Signed byOU=oksecure, L=German
  • Signing certificate (SHA-1)5F:27:0F:32:F7:6D:4F:9D:FD:1C:E8:8A:6A:B9:9D:9B:96:F7:4B:52
  • File MD53b59b007d38433acab98cbc254ffe905
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (43)

OK.secure requests 43 permissions, 10 of them sensitive.

Required hardware & features

OK.secure APK: questions and answers

Is there a version of OK.secure for older Android phones?

The current version needs Android 6.0 or later. Version 2.0.12 is the newest listed build that installs on Android 5.0 and later. Get version 2.0.12 · All versions

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 OK.secure 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. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 3b59b007d38433acab98cbc254ffe905.

Tags

More Communication apps