# ENGEL authentig vs blueMaster check

The clearest difference is iOS requirement: ENGEL authentig at 13.0 against blueMaster check's 15.5. 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.

ENGEL authentig ships an update every 6 weeks, blueMaster check monthly. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ENGEL authentig | blueMaster check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engel-authentig/id1453976745/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 41 MB | 46 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENGEL AUSTRIA GmbH](https://appshunter.io/developer/687631542) | [ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH](https://appshunter.io/developer/917295043) |

## What reviewers say

### ENGEL authentig

[App page](https://appshunter.io/ios/app/engel-authentig/id1453976745)

This app provides real-time insights into production status, machine performance, and key metrics like OEE. It helps production managers identify issues early to prevent losses and optimize resource utilization.

**Highlights:** Production status overview, Current order details, Machine status and downtime log, Utilization and cycle time tracking, Quality rate and OEE display, Production event logging

**Features:** macOS Compatibility

**In-app purchases:** none


### blueMaster check

[App page](https://appshunter.io/ios/app/bluemaster-check/id6476186617)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ENGEL authentig free?

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

### Is blueMaster check free?

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

### Do ENGEL authentig or blueMaster check have ads?

Neither ENGEL authentig nor blueMaster check shows ads.

### Which is updated more often, ENGEL authentig or blueMaster check?

ENGEL authentig ships an update every 6 weeks, and blueMaster check monthly. Most recently, ENGEL authentig was updated on October 2, 2026 and blueMaster check on October 11, 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.*