# E vs feiffer grain

The clearest difference is update cadence: feiffer grain at monthly against E's every 4 months. feiffer grain also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, review sentiment, 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.

E ships an update every 4 months, feiffer grain monthly. The most recent releases landed on September 10, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | E | feiffer grain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/feiffer-grain/id999108374/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 6 MB | 7 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vaderstad-Verken AB](https://appshunter.io/developer/715673457) | [Feiffer Consult GmbH & Co. KG](https://appshunter.io/developer/875043798) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-control/id715673454)

Control agricultural machinery wirelessly from your iPad. This app also facilitates software updates for the machine's gateway. Requires a compatible Väderstad AB machine equipped with a Gateway.

**Highlights:** Wireless control of agriculture machines, Software updates for machine gateway, iPad connectivity, Väderstad machine compatibility

**In-app purchases:** none


### feiffer grain

[App page](https://appshunter.io/ios/app/feiffer-grain/id999108374)

This application helps farmers accurately measure grain loss during combine harvesting. It calibrates loss control and optimizes combine harvester settings for all crops and configurations. Requires a specific loss control pan made by Feiffer Consult.

**Highlights:** Accurate grain loss measurement, Combine harvester calibration, Optimal combine adjustment, Universal tool for all crops, Calculates loss in %, bushel/acre, $/acre

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is feiffer grain free?

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

### Do E or feiffer grain have ads?

Neither E nor feiffer grain shows ads.

### Which is updated more often, E or feiffer grain?

E ships an update every 4 months, and feiffer grain monthly. Most recently, E was updated on September 10, 2026 and feiffer grain on July 7, 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.*