# Tarp Kodegenerator vs Butterfly ID

The clearest difference is update cadence: Butterfly ID at every 2 weeks against Tarp Kodegenerator's every 16 months. Tarp Kodegenerator's advantage is iOS requirement (12.0 vs 18.0). 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.

Tarp Kodegenerator ships an update every 16 months, Butterfly ID every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tarp Kodegenerator | Butterfly ID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Size | 58 MB | 37 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ingeniørfirmaet Poul Tarp A/S](https://appshunter.io/developer/970385837) | [Mathias Mosgaard](https://appshunter.io/developer/1875297174) |

## What reviewers say

### Tarp Kodegenerator

[App page](https://appshunter.io/ios/app/tarp-kodegenerator/id1638729969)

**Features:** macOS Compatibility

**In-app purchases:** none


### Butterfly ID

[App page](https://appshunter.io/ios/app/butterfly-id/id6783060008)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tarp Kodegenerator free?

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

### Is Butterfly ID free?

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

### Do Tarp Kodegenerator or Butterfly ID have ads?

Neither Tarp Kodegenerator nor Butterfly ID shows ads.

### Which is updated more often, Tarp Kodegenerator or Butterfly ID?

Tarp Kodegenerator ships an update every 16 months, and Butterfly ID every 2 weeks. Most recently, Tarp Kodegenerator was updated on October 25, 2026 and Butterfly ID on October 24, 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.*