# TOTP Authenticator vs On

The clearest difference is price: TOTP Authenticator at Free against On's $0.99. On's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

TOTP Authenticator is free to download; On costs $0.99 up front. TOTP Authenticator sells 2 one-off in-app purchases. On asks for nothing beyond the download.

## The numbers

| Metric | TOTP Authenticator | On |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (3.9K ratings)](https://appshunter.io/ios/app/totp-authenticator-fast-2fa/id1404230533/reviews)** | — |
| Number of ratings | **3.9K** | — |
| Positive reviews | 36.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 21 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AppyFactor](https://appshunter.io/developer/1404230532) | [Petrus Arnoldus van Zyl](https://appshunter.io/developer/1641254381) |

## What reviewers say

### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator-fast-2fa/id1404230533)

Enhance your online security with this app that generates one-time tokens for two-factor authentication. Protect your accounts from hackers by easily adding 2FA to your online services. Supports cloud sync and a Chrome extension for seamless desktop integration.

**Highlights:** Cloud Sync for backup, Chrome Extension for desktop, Dark and light theme support, Multi-platform and multi-device sync, Unlimited account support, Home screen widgets, Biometric app lock

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOTP Premium Features | $5.99 | one-time |
| TOTP Default Product | $5.99 | one-time |

**What reviewers like**

- 👍 Solid free basic experience
- 🚀 Simple and effective
- 👍 Easy to use and set up new accounts
- 🚀 Chrome extension is cool
- 🔒 Excellent app for 2FA

**What reviewers complain about**

- 🐛 No export functionality
- 🐛 Impossible to recover account without paying
- 🐛 Can't save Authy keys from sites
- 🐛 Codes expire too fast
- 🐛 Doesn't work with some services

**Reported bugs**

- Codes not working, invalid or expired
- Sync issues, lost codes
- Doesn't work with some services
- Login screen freezes
- Incompatible with older devices

**Requested features**

- Increase font size of codes
- Add folder/tree organization for keys
- Implement Face ID support
- Add dark mode theme
- Allow pushing multiple codes to Chrome extension at once


### On

[App page](https://appshunter.io/ios/app/on-shift/id6758109565)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TOTP Authenticator free?

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

### Is On free?

On costs $0.99, with no in-app purchases.

### Do TOTP Authenticator or On have ads?

Neither TOTP Authenticator nor On shows ads.

---

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