Comparison

OTP vs OTP Authenticator

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

Head to head
About

OTP

This app generates secure one-time passwords for two-factor authentication on your device. It supports various protocols, allows easy account setup via QR codes or manual entry, and offers robust security features like biometric locks and encrypted backups.

Highlights
  • TOTP & HOTP code generation
  • QR code scanning for setup
  • Biometric app lock (Face ID/Touch ID)
  • Encrypted data export/import
  • Account grouping and organization
  • Dark Mode support
  • iCloud sync and backup
Features
Read full description

OTP-Auth is a beautifully designed two-factor authentication (2FA) app that generates one-time passwords on your iPhone. Supporting both TOTP and HOTP protocols, it adds an essential layer of security to all your online accounts. KEY FEATURES: - Generate TOTP & HOTP verification codes offline - Scan QR codes or add accounts manually - Tap to reveal code and copy to clipboard - Face ID & Touch ID biometric app lock - Dark Mode with system, light, and dark themes - iCloud sync and backup across devices - Export & import data with AES-256-GCM encryption - Import from Google Authenticator, 2FAS, and Aegis - 60+ branded service icons with auto-matching - Account grouping with drag-and-drop reorder - Search and sort by name, type, or custom order - Modern card-style UI with smooth animations SECURITY FIRST: Your authentication secrets never leave your device or your iCloud. Encrypted exports use AES-256-GCM. Biometric authentication keeps your codes private even if someone has your phone. IMPORT & EXPORT: Easily migrate from other authenticator apps. OTP-Auth supports encrypted JSON, plain text URI, 2FAS backup, Aegis vault, and Google Authenticator QR migration. Export your data securely with password-protected encryption. ORGANIZE YOUR WAY: Group accounts into custom folders, drag and drop to reorder, and use the built-in search to find any account instantly. Hide codes by default and reveal with a tap. PERMISSIONS: Camera access is required for scanning QR codes to add accounts. Learn more about OTP verification: https://www.wikiwand.com/en/One-time_password

About

OTP Authenticator

This app provides a secure and visually appealing way to manage your TOTP (Time-based One-Time Password) codes. It offers a clean interface, customizable icons, and convenient desktop widgets, all while prioritizing offline security and minimal storage usage.

Highlights
  • Visually appealing design
  • Secure offline operation
  • Customizable icons
  • Desktop widgets
  • Minimal storage footprint
  • SwiftUI implementation
Features
Read full description

很多时候看到抱怨说各种身份验证器不漂亮、不便捷、不好用等各种缺点。 于是我创造了它。 如果您需要一款颜值在线,安全可靠的TOTP软件,它一定适合您。 软件无需联网,确保秘钥安全可靠。 图标盒子为它提供了丰富的图标,美丽自定义。 好用的桌面小组件,让它使用起来更方便。 极小的硬盘存储占用。 有些奇密用户喜欢软件的小巧可爱,于是把TOTP从奇密里面拆分出来做了个极简的软件,便有了它。 它是完全使用SwiftUI编写,如果您需要简洁、美观、便捷的TOTP密码验证器,欢迎使用。 本该很早就发布的,由于没时间做产品网站,最近又抽时间完善了一下程序! 目前软件内没有任何广告和收费内容! 如果在使用中有任何建议,欢迎加奇密群反馈。

Screenshots

OTP4 screens
OTP Authenticator4 screens

Verdict

The call

The clearest difference is review sentiment: OTP Authenticator at 100% against OTP's 0%. OTP Authenticator also leads on in-app purchases (none vs 1) and update cadence (every 6 days vs every 6 months). OTP's advantage is iOS requirement (9.3 vs 14.0). On price, ads 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. OTP sells 1 one-off in-app purchase. OTP Authenticator asks for nothing beyond the download.

UpkeepUpdate frequency

OTP ships an update every 6 months, OTP Authenticator every 6 days. The most recent releases landed on July 28, 2026 and August 20, 2026 respectively.

Scorecard5 real differences · 5 level
OTP versus OTP Authenticator: the parameters behind the verdict, then further details
ParameterOTPOTP Authenticator
PriceFreeFree
Rating3.6 (18 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings18 — better—
Update frequencyEvery 6 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS9.3 — better14.0
Further details — not scored
Size27 MB6 MB
Age rating4+4+
Developer浩 王凯 程

Customer experience

OTP

All ratings18 ratings
Positive61.1%
Neutral5.6%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

OTP Authenticator

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

OTP

One-time1
  • OTPAuth Premium$1.99
None

OTP Authenticator

No in-app purchases

Questions

Is OTP free?
OTP is free to download, with in-app purchases available.
Is OTP Authenticator free?
OTP Authenticator is free to download, with no in-app purchases.
Do OTP or OTP Authenticator have ads?
Neither OTP nor OTP Authenticator shows ads.
Which is updated more often, OTP or OTP Authenticator?
OTP ships an update every 6 months, and OTP Authenticator every 6 days. Most recently, OTP was updated on July 28, 2026 and OTP Authenticator on August 20, 2026.

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