Auth vs TwoID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Auth
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.
- 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
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Auth is a 2-factor authentication app that generates time-based one time passwords (TOTP). Simply tap on the generated code to copy it to your clipboard. Using iCloud shared clipboard you can paste the code on any of your devices. By enabling iCloud Sync your accounts are shared between all of your devices, allowing you to generate your authentication code on any of your devices. In settings you can enable AutoFill to automatically fill your verification codes from the Auth App. Note that this may require editing your existing codes to set the autofill websites - popular providers are auto-recognised and configured as far as possible. Features include: - iCloud Support - AutoFill - Supports iOS Dark Theme - Works with all the most popular websites - TOTP QR code recognition from the camera app or from photos
TwoID
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Keep your online accounts secure by enabling two-factor authentication, and keep your codes in easy reach with TwoID. • Store as many codes as you need • Copy codes with a single tap • Scan QR codes to set up new codes without hassle • Group codes and quickly filter to see only the codes you need • Customise colours and icons • Install the Apple Watch app to access codes from your wrist
Screenshots
Verdict
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). Auth's advantage is update cadence (every 4 months vs every 25 months). 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
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 4 months, TwoID every 25 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Auth | TwoID |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPod, Apple Watch |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Oliver Hayman | Evitani Limited |
In-app purchases
Auth
- Nice Tip$0.99
- Kind Tip$2.99
- Generous Tip$4.99
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- Amazing Tip$9.99
- Unbelievable Tip$19.99
TwoID
No in-app purchases
