# GreenTech App vs Kanut

The clearest difference is update cadence: Kanut at every 5 days against GreenTech App's monthly. Kanut also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, 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.

GreenTech App ships an update monthly, Kanut every 5 days. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | GreenTech App | Kanut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 58 MB | 24 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [RAI Amsterdam B.V.](https://appshunter.io/developer/1444409331) | [Greenspec bv](https://appshunter.io/developer/1799027495) |

## What reviewers say

### GreenTech App

[App page](https://appshunter.io/ios/app/greentech-app/id1586113128)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kanut

[App page](https://appshunter.io/ios/app/kanut/id6742569767)

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

**In-app purchases:** none


## Frequently asked questions

### Is GreenTech App free?

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

### Is Kanut free?

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

### Do GreenTech App or Kanut have ads?

Neither GreenTech App nor Kanut shows ads.

### Which is updated more often, GreenTech App or Kanut?

GreenTech App ships an update monthly, and Kanut every 5 days. Most recently, GreenTech App was updated on September 27, 2026 and Kanut on October 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.*