# feiffer combine vs Pio's Grain

The clearest difference is in-app purchases: Pio's Grain at none against feiffer combine's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. feiffer combine sells 10 one-off in-app purchases. Pio's Grain asks for nothing beyond the download.

feiffer combine ships an update every 6 months, Pio's Grain every 5 months. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | feiffer combine | Pio's Grain |
| --- | --- | --- |
| 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 5 months** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Feiffer](https://appshunter.io/developer/875043798) | [Jan Schröder](https://appshunter.io/developer/1521271963) |

## 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 |


### Pio's Grain

[App page](https://appshunter.io/ios/app/pios-grain/id1570974038)

**In-app purchases:** none


## Frequently asked questions

### Is feiffer combine free?

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

### Is Pio's Grain free?

Pio's Grain is free to download, with no in-app purchases.

### Do feiffer combine or Pio's Grain have ads?

Neither feiffer combine nor Pio's Grain shows ads.

### Which is updated more often, feiffer combine or Pio's Grain?

feiffer combine ships an update every 6 months, and Pio's Grain every 5 months. Most recently, feiffer combine was updated on October 8, 2026 and Pio's Grain on October 25, 2026.

---

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