# Thetis Authenticator vs Scanify

The clearest difference is in-app purchases: Thetis Authenticator at none against Scanify's 3. Scanify's advantage is update cadence (monthly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Scanify sells 3 in-app purchases, starting at $6.99 per 7 days. Thetis Authenticator asks for nothing beyond the download.

Thetis Authenticator ships an update every 9 months, Scanify monthly. The most recent releases landed on June 1, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Thetis Authenticator | Scanify |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Free | — |
| Size | 3 MB | 42 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Razzo Tech Corporation](https://appshunter.io/developer/1566501237) | [Core Security Limited](https://appshunter.io/developer/1780290901) |

## 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


### Scanify

[App page](https://appshunter.io/ios/app/scanify-smart-qr-and-docs/id6742812843)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $6.99 | per 7 days |
| Monthly Pro | $19.99 | per month |
| Yearly Pro | $49.99 | per year |


## Frequently asked questions

### Is Thetis Authenticator free?

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

### Is Scanify free?

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

### Do Thetis Authenticator or Scanify have ads?

Neither Thetis Authenticator nor Scanify shows ads.

### Which is updated more often, Thetis Authenticator or Scanify?

Thetis Authenticator ships an update every 9 months, and Scanify monthly. Most recently, Thetis Authenticator was updated on June 1, 2026 and Scanify on May 19, 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.*