# OxyGuard Cobália Sync vs OPTICHECK Level Mobile

The clearest difference is update cadence: OxyGuard Cobália Sync at every 3 weeks against OPTICHECK Level Mobile's every 3 months. OPTICHECK Level Mobile's advantage is iOS requirement (11.0 vs 15.0). 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, OPTICHECK Level Mobile every 3 months. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OxyGuard Cobália Sync | OPTICHECK Level Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 26 MB | 242 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OxyGuard International A/S](https://appshunter.io/developer/1588249460) | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) |

## 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


### OPTICHECK Level Mobile

[App page](https://appshunter.io/ios/app/opticheck-level-mobile/id1596750666)

**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 OPTICHECK Level Mobile free?

OPTICHECK Level Mobile is free to download, with no in-app purchases.

### Do OxyGuard Cobália Sync or OPTICHECK Level Mobile have ads?

Neither OxyGuard Cobália Sync nor OPTICHECK Level Mobile shows ads.

### Which is updated more often, OxyGuard Cobália Sync or OPTICHECK Level Mobile?

OxyGuard Cobália Sync ships an update every 3 weeks, and OPTICHECK Level Mobile every 3 months. Most recently, OxyGuard Cobália Sync was updated on October 13, 2026 and OPTICHECK Level Mobile on October 4, 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.*