Comparison

OTP vs PasSwan

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

PasSwan

Features
Read full description

专业的密码管理软件,支持团队密码管理,支持自定义模版。 主要功能: - 只需记住主密码。 - AES-256端到端加密。 - 自定义模版和字段。 - 无广告。 - 导入/导出CSV文件。 - 夜间模式。 - 密码生成器。 - 自动锁屏。 - 生物识别解锁。 - 和好友共享数据。 - 登录/银行卡/地址/联系人/笔记/…

Screenshots

OTP4 screens
PasSwan4 screens

Verdict

The call

The clearest difference is in-app purchases: PasSwan at none against OTP's 1. PasSwan also leads on update cadence (weekly vs every 6 months). OTP's advantage is iOS requirement (9.3 vs 12.0). 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. PasSwan asks for nothing beyond the download.

UpkeepUpdate frequency

OTP ships an update every 6 months, PasSwan weekly. The most recent releases landed on July 28, 2026 and June 7, 2026 respectively.

Scorecard3 real differences · 7 level
OTP versus PasSwan: the parameters behind the verdict, then further details
ParameterOTPPasSwan
PriceFreeFree
Rating3.6 (18 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings18 — better—
Update frequencyEvery 6 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS9.3 — better12.0
Further details — not scored
Size27 MB50 MB
Age rating4+4+
Developer浩 王Beijing Feixiabide Technology Co., Ltd.

In-app purchases

1 purchases

OTP

One-time1
  • OTPAuth Premium$1.99
None

PasSwan

No in-app purchases

Questions

Is OTP free?
OTP is free to download, with in-app purchases available.
Is PasSwan free?
PasSwan is free to download, with no in-app purchases.
Do OTP or PasSwan have ads?
Neither OTP nor PasSwan shows ads.
Which is updated more often, OTP or PasSwan?
OTP ships an update every 6 months, and PasSwan weekly. Most recently, OTP was updated on July 28, 2026 and PasSwan on June 7, 2026.

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