Comparison

Authenticator App · 2FA vs Open Authenticator by Skyost

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Authenticator App · 2FA

This app provides an extra layer of security for your online accounts by generating time-based one-time passwords (TOTP/OTP) for two-factor authentication. It supports numerous services and offers features like encrypted sync, passkey support, and app-level security.

Highlights
  • Generate 2-factor authentication codes
  • Support for passkeys and passwordless logins
  • Encrypted sync and backup via iCloud/Google Cloud
  • App-level security with Face ID/Touch ID
  • Widgets for home screen access
  • Organize codes with folders
  • Import from Google Authenticator
Features
Read full description

Authenticator App is a highly secure application designed to provide two-factor authentication (2FA) for your online accounts. By generating unique security token/time-based one-time password (TOTP/OTP), the 2FA Authenticator app provides an extra layer of protection to your accounts when logging in, mitigating the risks of unauthorized access and identity theft and managing all your device online apps 2-factor authentication codes with just one authentication app. Support logging in with passkeys and accounts synchronization across all kinds of smartphones, tablets and mac using iCloud & Google Cloud. We support any service that provides 2 step verification, including the most popular services like Microsoft, Google, Facebook, TikTok, PayPal, Amazon, Snapchat, Coinbase, Roblox, Discord, Twitch, Reddit, Epic, SAP, Shopify, Login.gov, Kick, Activision, NVIDIA, LastPass, Sony, One Healthcare ID, crypto, Stripe, Rockstar, Sprintax, Sterling, Ubisoft, Autotask, Instagram, Air Force, GitHub, mo.gov. Our 2fa Authenticator app ensures the security of your personal data and Apple passwords, safeguarding them from hackers and malicious attacks. Download this authenticator (T)OTP manager now to fortify your digital security! Key Features: 1. Store and generate 2-factor Authentication code/security token. The 2 step verification code will update to a new one every 30 seconds. 2. Easy to setup two-factor Authentication. Scan QR Code or enter manually to add Authenticator secure ID, support import from Google Authenticator. 3. User-friendly guide. The 2FA authentication application has instructions that describe basic steps, such as adding 2FA/MFA/(T)OTP Code. 4. Encrypted sync & backup using iCloud & Google Cloud. Sync your accounts across iPhone, iPad, Mac, Apple Watch and any other smartphones or tablets. 5. Backup codes & Recovery codes. Easily manage and recognize codes using OCR. 6. Support Passkeys. Enhance account security with passwordless logins and prevent hacking attacks. 7. Support Passwords. Auto generate strong passwords and enjoy AutoFill. 8. Widgets. You can access and copy your two factor Authentication Code on homescreen. 9. Live Activities. You can access the copied 2 step verification code & its validity time on Dynamic Island. 10. App level security by Face ID/Touch ID. You are the only one who can read your two factor authentication otp codes. 11. Folders. Too many keys? Don't worry, manage your keys with custom groups. 12. Support 14 languages: English, German, French, Japanese, Korean, Italian, Spanish, Portuguese, Russian, Simplified Chinese, Traditional Chinese, Polish, Ukrainian. Subscription Terms: This (T)OTP Apple password/passkey authentication app offers monthly or annual subscriptions to provide you with unlimited access to all features while you maintain an active subscription. 1. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. 2. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. 3. Account will be charged for renewal within 24-hours before the end of the current period, and identify the cost of the renewal. 4. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. 5. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. If you have any thoughts, questions or suggestions about our security service app, please feel free to contact us at feedback@firstorder.ai. Home Page: https://authenticator.firstorder.ai Terms of Use: https://authenticator.firstorder.ai/terms-of-service Privacy Policy: https://authenticator.firstorder.ai/privacy-policy-authenticator

About

Open Authenticator by Skyost

This app generates Time-Based One-Time Passwords (TOTPs) to enhance online account security through two-factor authentication. It offers cross-platform syncing, a self-hostable backend, and an intuitive interface for managing your security codes.

Highlights
  • Generates Time-Based One-Time Passwords (TOTPs)
  • Enhances online account security with 2FA
  • Cross-platform token syncing
  • Self-hostable backend option
  • Fast and easy-to-use interface
  • Open-source and free for local use
Read full description

PROTECT YOUR ONLINE ACCOUNTS WITH OPEN AUTHENTICATOR Open Authenticator generates Time-Based One-Time Passwords (TOTPs), which serve as the second factor in the 2FA process. These temporary codes are valid for a short period of time and are used alongside your password to verify your identity when logging into your accounts. This significantly enhances the security of your online accounts and protects them from unauthorized access. KEY FEATURES - Open-Source & Free to use : Our commitment to transparency and security means our app is open-source and will always remain free for local use. If it doesn't cost anything for us, then it shouldn't cost anything for you ! - Cross-Platform Compatibility : Seamlessly sync your TOTP tokens across all your devices, whether you're using iOS, macOS or another platform. - Self-Hostable Backend : You can host the backend on your own server. Your data, your choice. - A lovely crafted app : Open Authenticator has been designed to be fast and easy to use. Quickly find all your TOTPs and copy them directly from the main page ! IN SUMMARY, WHY OPEN AUTHENTICATOR ? Here are the reasons why you should download Open Authenticator : - Enhanced Security : Protect your online accounts from unauthorized access with strong 2FA. - User-Friendly Interface : Intuitive design makes it easy to add, manage, and organize your TOTP tokens. - Continuous Improvement : We're dedicated to delivering the best user experience and regularly update our app with new features and improvements. LINKS - Check it out on Github : https://github.com/openauthenticator-app/openauthenticator - Visit our website : https://openauthenticator.app LEGAL - Privacy policy : https://openauthenticator.app/privacy-policy - Terms of service : https://openauthenticator.app/terms-of-service

Screenshots

Authenticator App · 2FA4 screens
Open Authenticator by Skyost3 screens

Verdict

The call

The clearest difference is review sentiment: Authenticator App · 2FA at 45% against Open Authenticator by Skyost's 0%. Authenticator App · 2FA also leads on ratings volume (379 vs 9). Open Authenticator by Skyost's advantage is monetization model (free with in-app purchases vs subscription) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Authenticator App · 2FA sells 14 in-app purchases, starting at $9.99 per 7 days and Open Authenticator by Skyost sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Open Authenticator by Skyost holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Authenticator App · 2FA has 379 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 45% of Authenticator App · 2FA's written reviews are positive against 0% of Open Authenticator by Skyost's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Authenticator App · 2FA ships an update every 3 weeks, Open Authenticator by Skyost fortnightly. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
Authenticator App · 2FA versus Open Authenticator by Skyost: the parameters behind the verdict, then further details
ParameterAuthenticator App · 2FAOpen Authenticator by Skyost
PriceFreeFree
Rating4.2 (379 ratings)4.4 (9 ratings) — better
Positive reviews45.3% of reviews — better0.0% of reviews
Number of ratings379 — better9
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, iPod, Mac
Requires iOS15.015.0
Further details — not scored
Size114 MB56 MB
Age rating17+4+
DeveloperFirstOrder.AIHugo Delaunay

Customer experience

Authenticator App · 2FA

All ratings379 ratings
Positive81.3%
Neutral1.8%
Negative16.9%
Written reviews64 reviews
Positive45.3%
Neutral7.8%
Negative46.9%

Open Authenticator by Skyost

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Authenticator App · 2FA

Reported bugs

7 issues
  • QR code scanner not functioning properly
  • Unable to import keys on mobile without payment
  • Sync issues between Mac and iOS devices
  • Photo-based QR code reading fails
  • App incompatible with CachyOS
Show 2 more
  • Accidental subscription triggering
  • Cancellation form submission failures

Requested features

5 requests
  • CachyOS/Arch Linux version support
  • Clearer pricing and subscription information upfront
  • Manual code entry without QR scanner requirement
  • Better cross-platform synchronization documentation
  • Improved setup instructions for new devices

Open Authenticator by Skyost

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

Authenticator App · 2FA

Subscriptions10
  • Authenticator PRO Weekly3 Days trial$9.997 Days
  • Authenticator Monthly Premium3 Days trial$11.991 Month
  • Authenticator Monthly Premium$11.991 Month
Show 7 more
  • Authenticator Monthly Premium3 Days trial$12.991 Month
  • Authenticator PRO Monthly$12.991 Month
  • Authenticator Annual Premium$29.991 Year
  • Authenticator PRO Yearly$29.991 Year
  • Authenticator PRO Yearly3 Days trial2 variants$39.991 Year
  • OTP Authenticator PRO Yearly$39.991 Year
  • OTP Authenticator PRO Yearly$49.991 Year
One-time4
  • Authenticator PRO Lifetime$39.99
  • Authenticator PRO Lifetime$59.99
  • 2FA Authenticator - Pro$59.99
Show 1 more
  • Authenticator PRO Lifetime$79.99
2 purchases

Open Authenticator by Skyost

Subscriptions2
  • Contributor Plan: Monthly$0.991 Month
  • Contributor Plan: Annual$9.991 Year

Questions

Is Authenticator App · 2FA free?
Authenticator App · 2FA is free to download, with in-app purchases available.
Is Open Authenticator by Skyost free?
Open Authenticator by Skyost is free to download, with in-app purchases available.
Which has better reviews, Authenticator App · 2FA or Open Authenticator by Skyost?
Open Authenticator by Skyost is rated higher. Authenticator App · 2FA averages 4.2 out of 5 from 379 ratings, while Open Authenticator by Skyost averages 4.4 from 9 ratings.
Do Authenticator App · 2FA or Open Authenticator by Skyost have ads?
Authenticator App · 2FA shows ads; Open Authenticator by Skyost does not.
Which is updated more often, Authenticator App · 2FA or Open Authenticator by Skyost?
Authenticator App · 2FA ships an update every 3 weeks, and Open Authenticator by Skyost fortnightly. Most recently, Authenticator App · 2FA was updated on September 24, 2026 and Open Authenticator by Skyost on September 10, 2026.

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