# OTP Auth vs TimeKey

The clearest difference is rating: OTP Auth at 4.6 against TimeKey's 3.7. OTP Auth also leads on ads (none vs shown) and ratings volume (463 vs 3). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. OTP Auth sells 1 one-off in-app purchase and TimeKey sells 2 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

OTP Auth holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: OTP Auth has 463 ratings behind it against 3, so its average is the more settled of the two.

OTP Auth ships an update every 2 weeks, TimeKey every 6 weeks. The most recent releases landed on July 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | OTP Auth | TimeKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (463 ratings)](https://appshunter.io/ios/app/otp-auth/id659877384/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/timekey/id1506129753/reviews) |
| Number of ratings | **463** | 3 |
| Positive reviews | 77.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 55 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roland Moers](https://appshunter.io/developer/659877387) | [Naoki Chiba](https://appshunter.io/developer/1506129752) |

## What reviewers say

### OTP Auth

[App page](https://appshunter.io/ios/app/otp-auth/id659877384)

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

**Highlights:** Two-factor authentication support, Encrypted iCloud Sync, Siri and Apple Watch support, Notification Center widget, Safari extension for password pasting, Face ID/Touch ID security, Encrypted backups and import/export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTP Auth Pro | $3.99 | one-time |

**What reviewers like**

- 🚀 Simple and effective
- 🔒 Secure with backup/restore
- 👍 Great Apple Watch support
- 👍 Intuitive and user-friendly
- 👍 Customizable icons and folders

**What reviewers complain about**

- 🐛 Occasional sync and widget issues
- 🐛 Apple Watch app needs improvements
- 🐛 Unreliable backup/restore for some users
- 🐛 Crashes and bugs reported by a few

**Reported bugs**

- Sync issues causing data loss
- Widget not displaying codes correctly
- Crashes on certain iOS versions

**Requested features**

- Larger text/font size options
- Alphabetical sorting of accounts
- Automatic account refresh/update
- Ability to edit account details


### TimeKey

[App page](https://appshunter.io/ios/app/timekey/id1506129753)

This app generates secure Time-based One-Time Passwords (TOTP) for two-factor authentication, protecting your online accounts. It offers local data storage, biometric security, and an intuitive interface for easy account management and quick code access. No internet connection is needed for code generation.

**Highlights:** Generate secure TOTP codes, Import accounts via QR code or manual entry, Organize accounts with categories and favorites, Biometric authentication (Face ID/Touch ID), Passcode protection, Dark mode support, Export QR codes for backup

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $1.49 | per month |
| Premium 1 year | $13.49 | per year |


## Frequently asked questions

### Is OTP Auth free?

OTP Auth is free to download, with in-app purchases available.

### Is TimeKey free?

TimeKey is free to download, with in-app purchases available.

### Which has better reviews, OTP Auth or TimeKey?

OTP Auth is rated higher. OTP Auth averages 4.6 out of 5 from 463 ratings, while TimeKey averages 3.7 from 3 ratings.

### Do OTP Auth or TimeKey have ads?

TimeKey shows ads; OTP Auth does not.

### Which is updated more often, OTP Auth or TimeKey?

OTP Auth ships an update every 2 weeks, and TimeKey every 6 weeks. Most recently, OTP Auth was updated on July 22, 2026 and TimeKey on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*