# OELCHECK 4.0 vs SAMAgo

The clearest difference is iOS requirement: SAMAgo at 11.0 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.

OELCHECK 4.0 ships an update every 3 months, SAMAgo every 2 months. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OELCHECK 4.0 | SAMAgo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 24 MB | 39 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OELCHECK GmbH](https://appshunter.io/developer/1210793145) | [Juraj Haluska](https://appshunter.io/developer/1622049696) |

## What reviewers say

### 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


### SAMAgo

[App page](https://appshunter.io/ios/app/samago/id1622060599)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OELCHECK 4.0 free?

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

### Is SAMAgo free?

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

### Do OELCHECK 4.0 or SAMAgo have ads?

Neither OELCHECK 4.0 nor SAMAgo shows ads.

### Which is updated more often, OELCHECK 4.0 or SAMAgo?

OELCHECK 4.0 ships an update every 3 months, and SAMAgo every 2 months. Most recently, OELCHECK 4.0 was updated on October 9, 2026 and SAMAgo on October 1, 2026.

---

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