# Cobase Authenticator vs KSTAR Sync

The clearest difference is update cadence: KSTAR Sync at every 2 weeks against Cobase Authenticator's every 12 months. KSTAR Sync also leads on iOS requirement (14.0 vs 16.0). 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.

Cobase Authenticator ships an update every 12 months, KSTAR Sync every 2 weeks. The most recent releases landed on September 22, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Cobase Authenticator | KSTAR Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cobase-authenticator/id1318718464/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 74 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cobase](https://appshunter.io/developer/1318718463) | [Shenzhen Kstar Science & Technology Co., Ltd.](https://appshunter.io/developer/1460236605) |

## What reviewers say

### Cobase Authenticator

[App page](https://appshunter.io/ios/app/cobase-authenticator/id1318718464)

Securely log in to the Cobase platform and authorize transactions. This app provides a safe method for user authentication and transaction approval, with activation instructions sent via email.

**Highlights:** Secure login to Cobase platform, Authorize transactions, Safe user authentication, Email activation instructions

**Features:** Vision Pro support

**In-app purchases:** none


### KSTAR Sync

[App page](https://appshunter.io/ios/app/kstar-sync/id6754310380)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cobase Authenticator free?

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

### Is KSTAR Sync free?

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

### Do Cobase Authenticator or KSTAR Sync have ads?

Neither Cobase Authenticator nor KSTAR Sync shows ads.

### Which is updated more often, Cobase Authenticator or KSTAR Sync?

Cobase Authenticator ships an update every 12 months, and KSTAR Sync every 2 weeks. Most recently, Cobase Authenticator was updated on September 22, 2026 and KSTAR Sync on October 2, 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.*