# Auth vs TwoID

The clearest difference is in-app purchases: TwoID at none against Auth's 5. TwoID also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Auth sells 5 one-off in-app purchases. TwoID asks for nothing beyond the download.

Auth ships an update every 38 months, TwoID every 25 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Auth | TwoID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/auth/id1437751869/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 25 months** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Hayman](https://appshunter.io/developer/914520817) | [Evitani Limited](https://appshunter.io/developer/1552377697) |

## What reviewers say

### Auth

[App page](https://appshunter.io/ios/app/auth/id1437751869)

This app generates time-based one-time passwords for multi-factor authentication. It supports iCloud sync for seamless access across devices and offers quick code copying. It also recognizes TOTP QR codes for easy setup.

**Highlights:** Time-based one-time password generation, iCloud Sync for multi-device access, Tap to copy authentication codes, TOTP QR code recognition, iOS Dark Theme support

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nice Tip | $0.99 | one-time |
| Kind Tip | $2.99 | one-time |
| Generous Tip | $4.99 | one-time |
| Amazing Tip | $9.99 | one-time |
| Unbelievable Tip | $19.99 | one-time |


### TwoID

[App page](https://appshunter.io/ios/app/twoid/id1552438516)

**In-app purchases:** none


## Frequently asked questions

### Is Auth free?

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

### Is TwoID free?

TwoID is free to download, with no in-app purchases.

### Do Auth or TwoID have ads?

Neither Auth nor TwoID shows ads.

### Which is updated more often, Auth or TwoID?

Auth ships an update every 38 months, and TwoID every 25 months. Most recently, Auth was updated on October 3, 2026 and TwoID on October 8, 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.*