# Thetis Authenticator vs Slab Oracle

The clearest difference is in-app purchases: Thetis Authenticator at none against Slab Oracle's 7. Thetis Authenticator also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Slab Oracle sells 7 in-app purchases, starting at $3.99 per month. Thetis Authenticator asks for nothing beyond the download.

## The numbers

| Metric | Thetis Authenticator | Slab Oracle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/thetis-authenticator/id6648759010/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Free | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Razzo Tech Corporation](https://appshunter.io/developer/1566501237) | [vincent varie](https://appshunter.io/developer/1888624274) |

## What reviewers say

### Thetis Authenticator

[App page](https://appshunter.io/ios/app/thetis-authenticator/id6648759010)

Manage your FIDO2 security keys for passwordless login and two-factor authentication. Supports NFC and Type-C connections for seamless integration across devices. Offers one-time password management for services not yet supporting FIDO2.

**Highlights:** FIDO2 passwordless login, Enhanced two-factor authentication, One-time password management, Optimized for iPad, NFC and Type-C compatibility, Cross-platform support, Phishing-resistant authentication

**In-app purchases:** none


### Slab Oracle

[App page](https://appshunter.io/ios/app/slab-oracle/id6761283476)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $3.99 | per month |
| Pro | $9.99 | per month |
| Dealer | $19.99 | per month |
| 5 Extra Scans | $4.99 | one-time |
| 10 Extra Scans | $8.99 | one-time |
| 20 Extra Scans | $14.99 | one-time |
| 50 Extra Scans | $29.99 | one-time |


## Frequently asked questions

### Is Thetis Authenticator free?

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

### Is Slab Oracle free?

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

### Do Thetis Authenticator or Slab Oracle have ads?

Neither Thetis Authenticator nor Slab Oracle shows ads.

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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.*