# Pettson's Inventions 2 vs Häkeln!

The clearest difference is update cadence: Pettson's Inventions 2 at every 8 months against Häkeln!'s every 29 months. Pettson's Inventions 2 also leads on price ($4.99 vs $8.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Pettson's Inventions 2 costs $4.99 and Häkeln! $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pettson's Inventions 2 ships an update every 8 months, Häkeln! every 29 months. The most recent releases landed on November 6, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions 2 | Häkeln! |
| --- | --- | --- |
| Price | **$4.99** | $8.99 |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/pettsons-inventions-2/id573512990/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 70.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 29 months |
| Monetization | Paid | — |
| Size | 388 MB | 397 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Filimundus AB](https://appshunter.io/developer/468644481) | [Juerg Keller](https://appshunter.io/developer/652165427) |

## What reviewers say

### Pettson's Inventions 2

[App page](https://appshunter.io/ios/app/pettsons-inventions-2/id573512990)

Help an old man and his cat build amazing contraptions by dragging and dropping parts into place. Solve 37 ingenious puzzles that stimulate creativity and teach logic. Unlock a secret upon completion.

**Highlights:** 37 ingenious inventions to solve, Drag and drop puzzle mechanics, Increase difficulty with fake parts, Stimulates creativity and logic, Kid-friendly interface, Original artwork

**In-app purchases:** none


### Häkeln!

[App page](https://appshunter.io/ios/app/hakeln/id1438105192)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pettson's Inventions 2 free?

Pettson's Inventions 2 costs $4.99, with no in-app purchases.

### Is Häkeln! free?

Häkeln! costs $8.99, with no in-app purchases.

### Do Pettson's Inventions 2 or Häkeln! have ads?

Neither Pettson's Inventions 2 nor Häkeln! shows ads.

### Which is updated more often, Pettson's Inventions 2 or Häkeln!?

Pettson's Inventions 2 ships an update every 8 months, and Häkeln! every 29 months. Most recently, Pettson's Inventions 2 was updated on November 6, 2026 and Häkeln! on October 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.*