# KUHN e vs Fertitest Sky

The clearest difference is update cadence: Fertitest Sky at every 2 months against KUHN e's every 12 months. KUHN e's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KUHN e ships an update every 12 months, Fertitest Sky every 2 months. The most recent releases landed on September 20, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | KUHN e | Fertitest Sky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/kuhn-e-techdoc/id1159680270/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 7 MB | 37 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KUHN SA](https://appshunter.io/developer/471366120) | [Wisobus](https://appshunter.io/developer/1359690011) |

## What reviewers say

### KUHN e

[App page](https://appshunter.io/ios/app/kuhn-e-techdoc/id1159680270)

Access technical documentation for KUHN products 24/7. Search for information by machine and serial number to quickly find relevant technical documents. This continuously updated database is designed for KUHN partners.

**Highlights:** Technical documentation database, 24/7 access, Search by machine and serial number, Continuously updated information, Designed for KUHN partners

**Features:** macOS Compatibility

**In-app purchases:** none


### Fertitest Sky

[App page](https://appshunter.io/ios/app/fertitest-sky/id6450293076)

This tool helps users accurately adjust their SKY fertilizer spreader. It offers personalized service, allows saving settings, and provides feedback options, all accessible offline.

**Highlights:** Adjust SKY fertilizer spreader, Personalized service, Memorize settings, Offline accessibility, User feedback system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KUHN e free?

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

### Is Fertitest Sky free?

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

### Do KUHN e or Fertitest Sky have ads?

Neither KUHN e nor Fertitest Sky shows ads.

### Which is updated more often, KUHN e or Fertitest Sky?

KUHN e ships an update every 12 months, and Fertitest Sky every 2 months. Most recently, KUHN e was updated on September 20, 2026 and Fertitest Sky on June 26, 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.*