# WearCheck Mobile vs OELCHECK 4.0

The clearest difference is iOS requirement: WearCheck Mobile at 8.0 against OELCHECK 4.0's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

WearCheck Mobile ships an update every 5 months, OELCHECK 4.0 every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | WearCheck Mobile | OELCHECK 4.0 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 81 MB | 8 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SYNERLYTIC SERVICES (PTY) LTD](https://appshunter.io/developer/1205951576) | [OELCHECK GmbH](https://appshunter.io/developer/1210793145) |

## What reviewers say

### WearCheck Mobile

[App page](https://appshunter.io/ios/app/wearcheck-mobile/id1205951577)

**Features:** macOS Compatibility

**In-app purchases:** none


### OELCHECK 4.0

[App page](https://appshunter.io/ios/app/oelcheck-40/id1474067028)

Streamline lubricant and operating fluid sample management. Easily enter data, view lab reports, and manage machine information anytime, even offline. Optimize your analysis kits with this efficient digital tool.

**Highlights:** Sample data entry via QR code or machine search, Offline data entry and online synchronization, View sample status and lab reports, Attach up to five photos per sample, Manage machine data, Optimized analysis kit usage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WearCheck Mobile free?

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

### Is OELCHECK 4.0 free?

OELCHECK 4.0 is free to download, with no in-app purchases.

### Do WearCheck Mobile or OELCHECK 4.0 have ads?

Neither WearCheck Mobile nor OELCHECK 4.0 shows ads.

### Which is updated more often, WearCheck Mobile or OELCHECK 4.0?

WearCheck Mobile ships an update every 5 months, and OELCHECK 4.0 every 3 months. Most recently, WearCheck Mobile was updated on November 2, 2026 and OELCHECK 4.0 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*