# Pettson's Inventions 4 vs Math Bubble Pop

The clearest difference is update cadence: Math Bubble Pop at every 3 days against Pettson's Inventions 4's every 6 months. Math Bubble Pop also leads on price ($1.99 vs $4.99). Pettson's Inventions 4's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Pettson's Inventions 4 costs $4.99 and Math Bubble Pop $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pettson's Inventions 4 ships an update every 6 months, Math Bubble Pop every 3 days. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions 4 | Math Bubble Pop |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/pettsons-inventions-4/id6504173576/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 320 MB | 140 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Filimundus AB](https://appshunter.io/developer/468644481) | [Carl Magnus Swahn](https://appshunter.io/developer/1872936962) |

## What reviewers say

### Pettson's Inventions 4

[App page](https://appshunter.io/ios/app/pettsons-inventions-4/id6504173576)

Explore a workshop and help Findus assist Pettson with a malfunctioning machine. Solve intricate inventions by finding hidden objects and placing them correctly to progress towards a solution. Features a kid-friendly interface with adjustable difficulty for engaging gameplay.

**Highlights:** 50 new inventions to solve, Search workshop for hidden objects, Drag and drop item placement, Adjustable difficulty levels, Kid-friendly interface, Original artwork

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Bubble Pop

[App page](https://appshunter.io/ios/app/math-bubble-pop/id6760536925)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pettson's Inventions 4 free?

Pettson's Inventions 4 costs $4.99, with no in-app purchases.

### Is Math Bubble Pop free?

Math Bubble Pop costs $1.99, with no in-app purchases.

### Do Pettson's Inventions 4 or Math Bubble Pop have ads?

Neither Pettson's Inventions 4 nor Math Bubble Pop shows ads.

### Which is updated more often, Pettson's Inventions 4 or Math Bubble Pop?

Pettson's Inventions 4 ships an update every 6 months, and Math Bubble Pop every 3 days. Most recently, Pettson's Inventions 4 was updated on September 26, 2026 and Math Bubble Pop on September 21, 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.*