# feiffer combine vs MONITEX BT

The clearest difference is in-app purchases: MONITEX BT at none against feiffer combine's 10. MONITEX BT also leads on update cadence (every 2 months vs every 6 months). feiffer combine's advantage is iOS requirement (13.0 vs 15.2). On price, ads and device support there is nothing between them.

Both are free to download. feiffer combine sells 10 one-off in-app purchases. MONITEX BT asks for nothing beyond the download.

feiffer combine ships an update every 6 months, MONITEX BT every 2 months. The most recent releases landed on August 1, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | feiffer combine | MONITEX BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/feiffer-combine/id875043795/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 7 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Feiffer](https://appshunter.io/developer/875043798) | [KTR Systems GmbH](https://appshunter.io/developer/1489296531) |

## What reviewers say

### feiffer combine

[App page](https://appshunter.io/ios/app/feiffer-combine/id875043795)

This app provides a step-by-step guide for calibrating combine harvesters to achieve optimal settings. It adapts to throughput and losses, ensuring proper adjustment for all harvest conditions and performance ranges, thereby limiting losses.

**Highlights:** Step-by-step calibration guide, Optimal combine harvester settings, Adapts to throughput and losses, Field-tested and reliable values, Quick and safe calibration, Demo version available

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| John Deere 2054 | $29.99 | one-time |
| Claas Trion 720 | $29.99 | one-time |
| Claas Trion 660 | $29.99 | one-time |
| Claas Trion 730 | $29.99 | one-time |
| Claas Trion 640 | $29.99 | one-time |
| Claas Trion 520 | $29.99 | one-time |
| Claas Trion 530 | $29.99 | one-time |
| Claas Trion 650 | $29.99 | one-time |
| John Deere S 785 | $29.99 | one-time |
| Claas Trion 750 | $29.99 | one-time |


### MONITEX BT

[App page](https://appshunter.io/ios/app/monitex-bt/id6443504633)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is feiffer combine free?

feiffer combine is free to download, with in-app purchases available.

### Is MONITEX BT free?

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

### Do feiffer combine or MONITEX BT have ads?

Neither feiffer combine nor MONITEX BT shows ads.

### Which is updated more often, feiffer combine or MONITEX BT?

feiffer combine ships an update every 6 months, and MONITEX BT every 2 months. Most recently, feiffer combine was updated on August 1, 2026 and MONITEX BT on May 16, 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.*