---
title: "Open Authenticator - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "The HMAC-based One-time Password used by Open Authenticator for production is completely consistent with TOTP. The application code is completely open source, supervised by the community, and is an Au"
---

# Open Authenticator — United States
> Safe, publicly supervised

![Open Authenticator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/51/80/ec/5180ec9e-3184-968c-1491-127b5db30cd3/AppIcon-0-0-1x_U007emarketing-0-0-0-7-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/434x0w.png)

**Developer:** [Unknown](https://apptail.io/developer/unknown-VHNb)
**Category:** Utilities
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** odroe.ootp.authenticator
**Store:** Apple App Store
**Country:** United States
**Version:** 0.1 (released 2021-09-03)
**Original Release:** 2021-09-02
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1583588049)
**AppTail Page:** [https://apptail.io/app/open-authenticator-wINf/united-states](https://apptail.io/app/open-authenticator-wINf/united-states)

## Open Authenticator Description
The HMAC-based One-time Password used by Open Authenticator for production is completely consistent with TOTP. The application code is completely open source, supervised by the community, and is an Authenticator with no backdoor security.

## Open Authenticator Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource125/v4/42/2a/ee/422aeeb4-8a30-0e48-8de6-13cb6a2a46a5/f45b0d2c-1efe-4630-bba9-fdc784156f0e_IMG_7236.PNG/1242x2688.png)

## Open Authenticator Rating Breakdown in United States
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## Open Authenticator Reviews in United States

### ***** "Nice ☺️"
Open source! I like it!
-- Ultra seven for me, 2021-09-26

[View all Open Authenticator reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)



## Open Authenticator Discovered Keywords
- open authenticator

## Apps Similar to Open Authenticator
- [TOTP Authenticator – Fast 2FA](https://apptail.io/app/totp-authenticator-fast-2fa-Iip/united-states)
- [Authenticator app - 2FA, MFA](https://apptail.io/app/authenticator-app-2fa-mfa-BLC/united-states)
- [Authenticator App ™](https://apptail.io/app/authenticator-app-lRP/united-states)
- [Authenticator App – 2FA & MFA](https://apptail.io/app/authenticator-app-2fa-mfa-vJbc/united-states)
- [TOTP OTP Аутентификатор](https://apptail.io/app/totp-otp-autentifikator-Nrli/united-states)
- [MFA Authenticator ‒ Secure 2FA](https://apptail.io/app/mfa-authenticator-secure-2fa-upSl/united-states)
- [Authenticator: Mobile 2FA, MFA](https://apptail.io/app/authenticator-mobile-2fa-mfa-CDRm/united-states)
- [Authenticator App - 2FA ◦ MFA](https://apptail.io/app/authenticator-app-2fa-mfa-GPdn/united-states)
- [Authenticator App · 2FA](https://apptail.io/app/authenticator-app-2fa-Afpo/united-states)
- [Open Authenticator by Skyost](https://apptail.io/app/open-authenticator-by-skyost-gxEq/united-states)

## Open Authenticator Available In
- [United States](https://apptail.io/app/open-authenticator-wINf/united-states)
- [China](https://apptail.io/app/open-authenticator-wINf/china)
- [Austria](https://apptail.io/app/open-authenticator-wINf/austria)
- [Australia](https://apptail.io/app/open-authenticator-wINf/australia)
- [Azerbaijan](https://apptail.io/app/open-authenticator-wINf/azerbaijan)
- [Belgium](https://apptail.io/app/open-authenticator-wINf/belgium)
- [Brazil](https://apptail.io/app/open-authenticator-wINf/brazil)
- [Belarus](https://apptail.io/app/open-authenticator-wINf/belarus)
- [Canada](https://apptail.io/app/open-authenticator-wINf/canada)
- [Switzerland](https://apptail.io/app/open-authenticator-wINf/switzerland)
- [Chile](https://apptail.io/app/open-authenticator-wINf/chile)
- [Colombia](https://apptail.io/app/open-authenticator-wINf/colombia)
- [Czechia](https://apptail.io/app/open-authenticator-wINf/czechia)
- [Germany](https://apptail.io/app/open-authenticator-wINf/germany)
- [Denmark](https://apptail.io/app/open-authenticator-wINf/denmark)
- [Dominican Republic](https://apptail.io/app/open-authenticator-wINf/dominican-republic)
- [Algeria](https://apptail.io/app/open-authenticator-wINf/algeria)
- [Ecuador](https://apptail.io/app/open-authenticator-wINf/ecuador)
- [Egypt](https://apptail.io/app/open-authenticator-wINf/egypt)
- [Spain](https://apptail.io/app/open-authenticator-wINf/spain)
- [Finland](https://apptail.io/app/open-authenticator-wINf/finland)
- [France](https://apptail.io/app/open-authenticator-wINf/france)
- [United Kingdom](https://apptail.io/app/open-authenticator-wINf/united-kingdom)
- [Greece](https://apptail.io/app/open-authenticator-wINf/greece)
- [Hong Kong SAR China](https://apptail.io/app/open-authenticator-wINf/hong-kong)
- [Hungary](https://apptail.io/app/open-authenticator-wINf/hungary)
- [Indonesia](https://apptail.io/app/open-authenticator-wINf/indonesia)
- [Ireland](https://apptail.io/app/open-authenticator-wINf/ireland)
- [Israel](https://apptail.io/app/open-authenticator-wINf/israel)
- [India](https://apptail.io/app/open-authenticator-wINf/india)
- [Iceland](https://apptail.io/app/open-authenticator-wINf/iceland)
- [Italy](https://apptail.io/app/open-authenticator-wINf/italy)
- [Japan](https://apptail.io/app/open-authenticator-wINf/japan)
- [South Korea](https://apptail.io/app/open-authenticator-wINf/south-korea)
- [Kuwait](https://apptail.io/app/open-authenticator-wINf/kuwait)
- [Kazakhstan](https://apptail.io/app/open-authenticator-wINf/kazakhstan)
- [Lebanon](https://apptail.io/app/open-authenticator-wINf/lebanon)
- [Lithuania](https://apptail.io/app/open-authenticator-wINf/lithuania)
- [Luxembourg](https://apptail.io/app/open-authenticator-wINf/luxembourg)
- [Madagascar](https://apptail.io/app/open-authenticator-wINf/madagascar)
- [North Macedonia](https://apptail.io/app/open-authenticator-wINf/north-macedonia)
- [Malta](https://apptail.io/app/open-authenticator-wINf/malta)
- [Mexico](https://apptail.io/app/open-authenticator-wINf/mexico)
- [Malaysia](https://apptail.io/app/open-authenticator-wINf/malaysia)
- [Nigeria](https://apptail.io/app/open-authenticator-wINf/nigeria)
- [Netherlands](https://apptail.io/app/open-authenticator-wINf/netherlands)
- [Norway](https://apptail.io/app/open-authenticator-wINf/norway)
- [Peru](https://apptail.io/app/open-authenticator-wINf/peru)
- [Philippines](https://apptail.io/app/open-authenticator-wINf/philippines)
- [Pakistan](https://apptail.io/app/open-authenticator-wINf/pakistan)
- [Poland](https://apptail.io/app/open-authenticator-wINf/poland)
- [Portugal](https://apptail.io/app/open-authenticator-wINf/portugal)
- [Romania](https://apptail.io/app/open-authenticator-wINf/romania)
- [Russia](https://apptail.io/app/open-authenticator-wINf/russia)
- [Saudi Arabia](https://apptail.io/app/open-authenticator-wINf/saudi-arabia)
- [Sweden](https://apptail.io/app/open-authenticator-wINf/sweden)
- [Singapore](https://apptail.io/app/open-authenticator-wINf/singapore)
- [Slovakia](https://apptail.io/app/open-authenticator-wINf/slovakia)
- [Thailand](https://apptail.io/app/open-authenticator-wINf/thailand)
- [Tunisia](https://apptail.io/app/open-authenticator-wINf/tunisia)
- [Türkiye](https://apptail.io/app/open-authenticator-wINf/turkey)
- [Taiwan](https://apptail.io/app/open-authenticator-wINf/taiwan)
- [Ukraine](https://apptail.io/app/open-authenticator-wINf/ukraine)
- [Uzbekistan](https://apptail.io/app/open-authenticator-wINf/uzbekistan)
- [Vietnam](https://apptail.io/app/open-authenticator-wINf/vietnam)
- [United Arab Emirates](https://apptail.io/app/open-authenticator-wINf/united-arab-emirates)
- [South Africa](https://apptail.io/app/open-authenticator-wINf/south-africa)
- [Argentina](https://apptail.io/app/open-authenticator-wINf/argentina)

---

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