# STEX Sync vs CYRUS

The clearest difference is ads: STEX Sync at none against CYRUS's shown. STEX Sync also leads on iOS requirement (12.0 vs 15.5). On price, update cadence, 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.

STEX Sync ships an update every 4 months, CYRUS every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | STEX Sync | CYRUS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 18 MB | 92 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taeha Mechatronics Co., Ltd.](https://appshunter.io/developer/1664269532) | [서한이노텍에너기브](https://appshunter.io/developer/1816080145) |

## What reviewers say

### STEX Sync

[App page](https://appshunter.io/ios/app/stex-sync/id1664269530)

**Features:** macOS Compatibility

**In-app purchases:** none


### CYRUS

[App page](https://appshunter.io/ios/app/cyrus/id6739202016)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STEX Sync free?

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

### Is CYRUS free?

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

### Do STEX Sync or CYRUS have ads?

CYRUS shows ads; STEX Sync does not.

### Which is updated more often, STEX Sync or CYRUS?

STEX Sync ships an update every 4 months, and CYRUS every 6 months. Most recently, STEX Sync was updated on November 3, 2026 and CYRUS on October 30, 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.*