Comparison

2FA Authenticator Secure vs Otpkey Authenticator

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

Head to head
About

2FA Authenticator Secure

Enhance your online security with this free and private two-factor authentication app. It adds an extra layer of protection to your accounts using unique time-based passwords and offers a secure vault for your files. Synchronization ensures your security is consistent across all your devices.

Highlights
  • Secure and private authentication
  • Synchronization across devices
  • Supports all online accounts
  • No passwords stored
  • Secure file vault
Features
Read full description

Authentication is made simple, free and secure. Add two step security to your online accounts. 2FA (two-factor authentication) helps you protect your account from hacker's breach by adding an additional layer of security. Protect and Secure your online accounts with unique time passwords. Keep your files in secured vault. Key Features : - Secure & Private - Synchronization across all devices. - Supports all online accounts. - No passwords stored. Privacy Policy :- https://twentyfivedegreesappsllc.wordpress.com/privacy-policy/ Terms Of Use :- https://twentyfivedegreesappsllc.wordpress.com/terms-of-use/ Please rate the app and give your feedback to help us improve and create much more unique apps for you.

About

Otpkey Authenticator

Enhance your online security with multi-factor authentication. This app generates one-time passwords for various services, even offline, and supports standard TOTP/HOTP protocols. It offers features like QR code scanning, auto-hiding codes, and biometric authentication.

Highlights
  • Multi-factor authentication
  • Offline OTP generation
  • QR code scanning and export
  • Biometric authentication support
  • Clipboard code copying
  • Widget and Watch App support
Features
Read full description

Otpkey Authenticator adds a multi factor layer of security for your online accounts. Many services and IT products support One Time Password authentication to protect your account. These passwords can be generated even when your device is in offline mode. Otpkey Authenticator works with many of the great online services you already use, including Google, Facebook, Evernote, GitHub, Twitter, AWS and many more! Otpkey Authenticator works for the standard TOTP or HOTP protocols. Features ======= - Secure as your device account - Scan for QR code - Export account as QR code - Auto hide - Hide your security code - Change your account icon - Support Face ID, Touch ID - Copy code to clip-board - Widget (from iOS 14) - Watch App (from watchOS 7.0) - Use Keychain and iCloud Keychain Specifications =========== - Type : Time-based, Counter-based - Algorithm : SHA-1, SHA-256, SHA-512 - Digits : 6, 8, 10 - Period : 30, 60 RFC Standards =========== TOTP - Time-based One-time Password Algorithm (RFC 6238) HOTP - HMAC Based OTP Algorithm (RFC 4226)

Screenshots

2FA Authenticator Secure4 screens
Otpkey Authenticator4 screens

Verdict

The call

The clearest difference is rating: 2FA Authenticator Secure at 4.4 against Otpkey Authenticator's 1.0. 2FA Authenticator Secure also leads on ratings volume (172 vs 2) and review sentiment (65% vs 50%). Otpkey Authenticator's advantage is device support (5 vs 2). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

2FA Authenticator Secure holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: 2FA Authenticator Secure has 172 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 65% of 2FA Authenticator Secure's written reviews are positive against 50% of Otpkey Authenticator's.

UpkeepUpdate frequency

2FA Authenticator Secure ships an update monthly, Otpkey Authenticator every 2 months. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

Scorecard4 real differences · 6 level
2FA Authenticator Secure versus Otpkey Authenticator: the parameters behind the verdict, then further details
Parameter2FA Authenticator SecureOtpkey Authenticator
PriceFreeFree
Rating4.4 (172 ratings) — better1.0 (2 ratings)
Positive reviews65.4% of reviews — better50.0% of reviews
Number of ratings172 — better2
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS13.013.0
Further details — not scored
Size38 MB22 MB
Age rating4+4+
Developer25 Degrees Apps LLCCertchip Corp

Customer experience

2FA Authenticator Secure

All ratings167 ratings
Positive85.0%
Neutral4.8%
Negative10.2%
Written reviews26 reviews
Positive65.4%
Neutral11.5%
Negative23.1%

Otpkey Authenticator

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

2FA Authenticator Secure

No in-app purchases

None

Otpkey Authenticator

No in-app purchases

Questions

Is 2FA Authenticator Secure free?
2FA Authenticator Secure is free to download, with no in-app purchases.
Is Otpkey Authenticator free?
Otpkey Authenticator is free to download, with no in-app purchases.
Which has better reviews, 2FA Authenticator Secure or Otpkey Authenticator?
2FA Authenticator Secure is rated higher. 2FA Authenticator Secure averages 4.4 out of 5 from 172 ratings, while Otpkey Authenticator averages 1.0 from 2 ratings.
Do 2FA Authenticator Secure or Otpkey Authenticator have ads?
Neither 2FA Authenticator Secure nor Otpkey Authenticator shows ads.
Which is updated more often, 2FA Authenticator Secure or Otpkey Authenticator?
2FA Authenticator Secure ships an update monthly, and Otpkey Authenticator every 2 months. Most recently, 2FA Authenticator Secure was updated on September 21, 2026 and Otpkey Authenticator on September 14, 2026.

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