# OpenOTP > OpenOTP - Securely generate TOTP & HOTP codes on all your devices! Canonical page: [https://chrome-stats.com/d/ml.dev.kotlin.openotp.OpenOtp](https://chrome-stats.com/d/ml.dev.kotlin.openotp.OpenOtp) ## Overview - **ID:** `ml.dev.kotlin.openotp.OpenOtp` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Maciej Procyk - **Category:** EDUCATION - **Downloads:** 273 - **Version:** 1.1.2 - **Last updated:** 2025-07-02 - **First published:** 2023-09-21 - **Publisher country:** PL - **Size:** 9.80 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=ml.dev.kotlin.openotp.OpenOtp) - **Website:** [https://procyk.in](https://procyk.in/) - **Privacy policy:** [https://raw.githubusercontent.com/avan1235/open-otp/master/PRIVACY\_POLICY.md](https://raw.githubusercontent.com/avan1235/open-otp/master/PRIVACY_POLICY.md) ## Description Welcome to OpenOTP, the open-source authentication app that puts the power of secure access in your hands. Elevate your online security with ease using our app's intuitive features, including OTP (One-Time Password) and HOTP (HMAC-based One-Time Password) code generation. OpenOTP is more than just an authenticator—it's your trusty digital keyring for safeguarding your online presence.

Key Features:

➡️ Effortless Code Generation:
OpenOTP simplifies the process of generating OTP and HOTP codes, ensuring you have secure access to your accounts whenever you need it. No fuss, just security.

➡️ Cloud Backup Integration:
Seamlessly integrate with external cloud providers to back up your codes securely. OpenOTP ensures your codes are protected, even in the event of device loss or upgrades.

➡️ QR Code Scanner:
Speed up code entry with our built-in QR code scanner. Scan QR codes from your favorite services or websites to quickly add authentication codes to OpenOTP.

➡️ Themes for Every Preference:
Customize your OpenOTP experience with both light and dark themes. Choose the theme that suits your style and ensures optimal visibility in any environment.

➡️ Intuitive Code Organization:
OpenOTP makes it easy to organize and manage your codes. Effortlessly arrange and categorize your codes for quick and convenient access whenever you need them.

➡️ Multi-Provider Compatibility:
OpenOTP supports a wide array of providers, ensuring compatibility with various online services and platforms. Experience the flexibility of OpenOTP across the digital landscape.

Take charge of your online security with OpenOTP, the open-source authentication solution. Download now and embrace the peace of mind that comes from having a reliable, feature-rich OTP and HOTP code generator in your pocket. Your digital security journey starts here! ## Rankings - #1,595,237 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.INTERNET` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `ml.dev.kotlin.openotp.OpenOtp.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Otpkey Authenticator](https://chrome-stats.com/d/com.otpkey.authenticator) — 6,313 users - [OTP Authenticator–Secure Login](https://chrome-stats.com/d/com.quantum.authenticator.twowayauthenticator.app) — 2,297 users - [Open Authenticator](https://chrome-stats.com/d/app.openauthenticator) — 4,972 users, 4.20 / 5 - [2FA Authentication App - TOTP](https://chrome-stats.com/d/com.authenticator_2fa_authentication_app) — 54 users - [joyOTP](https://chrome-stats.com/d/com.poovarasan.joyotp) — 8 users - [Easy SmartOTP](https://chrome-stats.com/d/vn.softdreams.easysmartotp) — 164 users - [Authenticator App: 2FA & OTP](https://chrome-stats.com/d/com.vidus6.authenticator) — 58,486 users, 4.67 / 5 - [FreeOTP Authenticator](https://chrome-stats.com/d/org.fedorahosted.freeotp) — 4,882,970 users, 3.06 / 5 - [Authenticator App: Secure OTP](https://chrome-stats.com/d/com.lowbyte.authenticatorapp) — 24,784 users - [Authenticator - 2FA Codes](https://chrome-stats.com/d/com.hauthenticator.app) — 1,639 users - [Oleauth](https://chrome-stats.com/d/com.oleauth.app) — 6 users - [OTP Authenticator: 2FA App](https://chrome-stats.com/d/nl.novumsoftware.otp) — 7 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/ml.dev.kotlin.openotp.OpenOtp)