# OxyGuard Cobália Sync vs Zephyr Control

The clearest difference is update cadence: OxyGuard Cobália Sync at every 3 weeks against Zephyr Control's every 6 months. OxyGuard Cobália Sync also leads on iOS requirement (15.0 vs 17.0). 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.

OxyGuard Cobália Sync ships an update every 3 weeks, Zephyr Control every 6 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | OxyGuard Cobália Sync | Zephyr Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 26 MB | 40 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OxyGuard International AS](https://appshunter.io/developer/1588249460) | [Tecniplast S.p.A.](https://appshunter.io/developer/1767768361) |

## What reviewers say

### OxyGuard Cobália Sync

[App page](https://appshunter.io/ios/app/oxyguard-cobalia-sync/id1588249458)

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

**In-app purchases:** none


### Zephyr Control

[App page](https://appshunter.io/ios/app/zephyr-control/id6673896255)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OxyGuard Cobália Sync free?

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

### Is Zephyr Control free?

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

### Do OxyGuard Cobália Sync or Zephyr Control have ads?

Neither OxyGuard Cobália Sync nor Zephyr Control shows ads.

### Which is updated more often, OxyGuard Cobália Sync or Zephyr Control?

OxyGuard Cobália Sync ships an update every 3 weeks, and Zephyr Control every 6 months. Most recently, OxyGuard Cobália Sync was updated on September 10, 2026 and Zephyr Control on September 12, 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.*