# Thinkrolls Space vs Pettson's Inventions 4

Thinkrolls Space and Pettson's Inventions 4 both sit at 4.6 stars, but that hides the real split: 93% of Thinkrolls Space's written reviews are positive against 0% of Pettson's Inventions 4's. Thinkrolls Space also leads on ratings volume (3.4K vs 8). Pettson's Inventions 4's advantage is price ($4.99 vs $5.99). On rating, update cadence, ads and in-app purchases there is nothing between them.

Thinkrolls Space costs $5.99 and Pettson's Inventions 4 $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Thinkrolls Space against 4.8 for Pettson's Inventions 4. That said, the two scores are not equally well evidenced: Thinkrolls Space has 3.4K ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 93% of Thinkrolls Space's written reviews are positive against 0% of Pettson's Inventions 4's.

Thinkrolls Space ships an update every 8 months, Pettson's Inventions 4 every 6 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Thinkrolls Space | Pettson's Inventions 4 |
| --- | --- | --- |
| Price | $5.99 | **$4.99** |
| Rating | [4.6 (3.4K ratings)](https://appshunter.io/ios/app/thinkrolls-space/id1458751834/reviews) | **[4.8 (8 ratings)](https://appshunter.io/ios/app/pettsons-inventions-4/id6504173576/reviews)** |
| Number of ratings | **3.4K** | 8 |
| Positive reviews | **92.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 174 MB | 320 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AVOKIDDO](https://appshunter.io/developer/1137946176) | [Filimundus AB](https://appshunter.io/developer/468644481) |

## What reviewers say

### Thinkrolls Space

[App page](https://appshunter.io/ios/app/thinkrolls-space/id1458751834)

Embark on an interstellar adventure with this child-friendly puzzle game. Guide colorful characters through over 200 unique mazes across seven planets, using logic and physics to overcome obstacles and unlock new alien companions.

**Highlights:** Over 200 logic and physics puzzles, Seven unique themed planets, 24 collectible alien characters, Two difficulty modes, Unlimited penalty-free retries, Enhances logic and problem-solving skills

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging
- 💡 Challenges the brain
- 👍 Cute and creative characters
- 👍 No ads or in-app purchases
- 👍 Suitable for all ages

**What reviewers complain about**

- 🐛 Occasional glitches or crashes
- 🔑 Levels can be frustratingly difficult
- 🤔 Needs more content/levels

**Reported bugs**

- Stuck on certain levels
- Compatibility issues on older devices

**Requested features**

- More planets and levels
- Easier difficulty options
- Ability to reset progress


### 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


## Frequently asked questions

### Is Thinkrolls Space free?

Thinkrolls Space costs $5.99, with no in-app purchases.

### Is Pettson's Inventions 4 free?

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

### Which has better reviews, Thinkrolls Space or Pettson's Inventions 4?

Pettson's Inventions 4 is rated higher. Thinkrolls Space averages 4.6 out of 5 from 3.4K ratings, while Pettson's Inventions 4 averages 4.8 from 8 ratings.

### Do Thinkrolls Space or Pettson's Inventions 4 have ads?

Neither Thinkrolls Space nor Pettson's Inventions 4 shows ads.

### Which is updated more often, Thinkrolls Space or Pettson's Inventions 4?

Thinkrolls Space ships an update every 8 months, and Pettson's Inventions 4 every 6 months. Most recently, Thinkrolls Space was updated on October 26, 2026 and Pettson's Inventions 4 on October 25, 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.*