# Pettson's Inventions 2 vs Messapi

The clearest difference is price: Messapi at Free against Pettson's Inventions 2's $4.99. Messapi also leads on update cadence (every 4 months vs every 8 months). Pettson's Inventions 2's advantage is iOS requirement (12.0 vs 15.5). On ads, in-app purchases and device support there is nothing between them.

Messapi is free to download; Pettson's Inventions 2 costs $4.99 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, Messapi every 4 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions 2 | Messapi |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (25 ratings)](https://appshunter.io/ios/app/pettsons-inventions-2/id573512990/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 70.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 388 MB | 42 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Filimundus AB](https://appshunter.io/developer/468644481) | [Suggesto s.r.l.](https://appshunter.io/developer/914252133) |

## 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


### Messapi

[App page](https://appshunter.io/ios/app/messapi/id6499528508)

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

**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 Messapi free?

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

### Do Pettson's Inventions 2 or Messapi have ads?

Neither Pettson's Inventions 2 nor Messapi shows ads.

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

Pettson's Inventions 2 ships an update every 8 months, and Messapi every 4 months. Most recently, Pettson's Inventions 2 was updated on October 13, 2026 and Messapi on October 1, 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.*