Comparison

Authenticator 2FA & OTP vs CatAuth

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

Head to head
About

Authenticator 2FA & OTP

Features
Read full description

Ring โ€” your secure authenticator for two-factor authentication (2FA). Protect your online accounts with fast and reliable two-factor authentication. Generate secure one-time passwords (OTP) for all major services using industry-standard TOTP technology. Simple. Secure. Private. โ–ธ SECURE AUTHENTICATION โ€ข Generate 2FA verification codes directly on your device โ€ข Supports TOTP & OTP standards โ€ข Works with Google, Instagram, Facebook, Microsoft, GitHub, Amazon, PayPal, X (Twitter), LinkedIn, Dropbox, Coinbase and thousands more โ€ข Offline code generation โ€” no internet connection required โ€ข Encrypted local storage for maximum privacy Your verification codes are created exclusively on your device โ€” fully private, no cloud, no tracking. โ–ธ FAST & EASY โ€ข Instant QR code scanning to add new accounts โ€ข Clean, minimalist interface โ€ข One-tap copy โ€ข Recent codes for quick access โ€ข Home Screen widgets for instant display Access your verification codes in seconds. โ–ธ ORGANIZATION & PERSONALIZATION โ€ข Folders to group and manage your accounts โ€ข Custom icons and colors for personalization โ€ข Smart sorting for optimal overview โ–ธ WHY RING AUTHENTICATOR? โ€ข No tracking, no data collection โ€” your privacy is protected โ€ข Secure token generation without cloud dependency โ€ข Modern design focused on usability โ€ข Reliable account protection for all your logins โ€ข Suitable for social media, email, banking, crypto and more Ring is the authenticator app for everyone who takes security and privacy seriously. Protect every account with a strong second factor โ€” fast, private and without compromise. Download now and secure your online accounts! Subscription Information Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID at confirmation of purchase. You can manage or cancel your subscription anytime in App Store settings. Privacy Policy: https://plane4bear.com/ring/privacy Terms of Use: https://plane4bear.com/ring/terms

About

CatAuth

Features
Read full description

Protect your online accounts with CatAuth, a simple and reliable two-factor authenticator for OTP and TOTP verification codes. FAST TWO-FACTOR AUTHENTICATION CatAuth generates time-based one-time passwords directly on your device. Use them as an additional verification step when signing in to services that support TOTP authentication. QUICK AND EASY SETUP Scan a QR code or enter a setup key manually. CatAuth starts generating verification codes in seconds and keeps your accounts organized in one convenient place. KEY FEATURES โ€ข Generate current OTP and TOTP verification codes โ€ข Add accounts by scanning a QR code โ€ข Enter setup keys manually โ€ข Generate codes without an internet connection โ€ข Back up and restore your authenticator accounts โ€ข Manage multiple accounts in one place โ€ข View clear countdowns before codes refresh โ€ข Copy verification codes quickly WORKS OFFLINE Your TOTP codes are generated directly on your device using the account secret and current device time. No internet connection is required to view an up-to-date code after an account has been added. BACKUP AND RESTORE Create a backup of your authenticator accounts and restore them when needed. Keep access to your saved accounts when moving to another device or reinstalling the app. BROAD COMPATIBILITY CatAuth works with websites and services that support standard TOTP authentication, including email providers, social networks, cloud tools, developer platforms, financial services, and more. Make every sign-in safer and simpler with CatAuth. End of trial and renewal of subscription: - Once your purchase is confirmed, payment will be debited from your iTunes account; - The subscription will automatically renew unless the auto-renewal feature is turned off at least 24 hours before the end of the current period; - Subscription renewal fees are debited from your account within 24 hours before the end of the current period; - The user can manage subscriptions. Auto-renewal can be turned off after purchase in your iTunes Account Settings page; - It is not possible to cancel an existing subscription before its expiration date. Privacy Policy: https://cat2fauth.com/privacy-policy/ Terms of Use: https://cat2fauth.com/terms-of-use/

Screenshots

Authenticator 2FA & OTP4 screens
CatAuth4 screens

Verdict

The call

The clearest difference is iOS requirement: CatAuth at 15.6 against Authenticator 2FA & OTP's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Authenticator 2FA & OTP sells 4 in-app purchases, starting at $3.99 per 7 days and CatAuth sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Authenticator 2FA & OTP ships an update every 3 weeks, CatAuth every 2 weeks. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

Scorecard1 real difference ยท 5 level
Authenticator 2FA & OTP versus CatAuth: the parameters behind the verdict, then further details
ParameterAuthenticator 2FA & OTPCatAuth
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.015.6 โ€” better
Further details โ€” not scored
Size13 MB46 MB
Age rating4+4+
DeveloperMOBNESS LTDRICHYARD GEIMS, TOO

In-app purchases

4 purchases

Authenticator 2FA & OTP

Subscriptions4
  • Week$3.997 Days
  • 1 Month$4.991 Month
  • 1 Month$7.991 Month
Show 1 more
  • 1 Year7 Days trial$29.991 Year
3 purchases

CatAuth

Subscriptions3
  • Premium Weekly$6.997 Days
  • Premium Weekly Trial3 Days trial$6.997 Days
  • Premium Yearly$29.991 Year

Questions

Is Authenticator 2FA & OTP free?
Authenticator 2FA & OTP is free to download, with in-app purchases available.
Is CatAuth free?
CatAuth is free to download, with in-app purchases available.
Do Authenticator 2FA & OTP or CatAuth have ads?
Neither Authenticator 2FA & OTP nor CatAuth shows ads.
Which is updated more often, Authenticator 2FA & OTP or CatAuth?
Authenticator 2FA & OTP ships an update every 3 weeks, and CatAuth every 2 weeks. Most recently, Authenticator 2FA & OTP was updated on September 27, 2026 and CatAuth on October 8, 2026.

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