# Auth Sync vs Caverno

The clearest difference is update cadence: Caverno at every 2 days against Auth Sync's every 3 months. Auth Sync's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Auth Sync ships an update every 3 months, Caverno every 2 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Auth Sync | Caverno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 59 MB | 33 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [DREAMER NETWORK CO., LTD](https://appshunter.io/developer/1613694335) | [Osamu Noguchi](https://appshunter.io/developer/457240927) |

## What reviewers say

### Auth Sync

[App page](https://appshunter.io/ios/app/auth-sync-safe-and-secure-2fa/id6751329938)

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

**In-app purchases:** none


### Caverno

[App page](https://appshunter.io/ios/app/caverno/id6760192392)

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

**In-app purchases:** none


## Frequently asked questions

### Is Auth Sync free?

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

### Is Caverno free?

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

### Do Auth Sync or Caverno have ads?

Neither Auth Sync nor Caverno shows ads.

### Which is updated more often, Auth Sync or Caverno?

Auth Sync ships an update every 3 months, and Caverno every 2 days. Most recently, Auth Sync was updated on October 30, 2026 and Caverno on November 9, 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.*