# KUHN vs Detect & Solve

The clearest difference is update cadence: Detect & Solve at fortnightly against KUHN's every 9 months. KUHN's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

KUHN ships an update every 9 months, Detect & Solve fortnightly. The most recent releases landed on June 10, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | KUHN | Detect & Solve |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 74 MB | 37 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [KUHN SA](https://appshunter.io/developer/471366120) | [Pedro Lanhoso](https://appshunter.io/developer/1821504768) |

## What reviewers say

### KUHN

[App page](https://appshunter.io/ios/app/kuhn-spreadset/id1108935198)

This application helps optimize fertilizer spreading by guiding users to select the correct fertilizer and adjust spreader settings for precise dosage and even distribution. It functions offline and automatically updates data.

**Highlights:** Fertilizer selection guidance, Spreader adjustment settings, Precise dosage calculation, Lateral distribution optimization, Offline functionality, Automatic data updates

**In-app purchases:** none


### Detect & Solve

[App page](https://appshunter.io/ios/app/detect-and-solve/id6747453004)

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

**In-app purchases:** none


## Frequently asked questions

### Is KUHN free?

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

### Is Detect & Solve free?

Detect & Solve is free to download, with no in-app purchases.

### Do KUHN or Detect & Solve have ads?

Neither KUHN nor Detect & Solve shows ads.

### Which is updated more often, KUHN or Detect & Solve?

KUHN ships an update every 9 months, and Detect & Solve fortnightly. Most recently, KUHN was updated on June 10, 2026 and Detect & Solve on September 6, 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.*