# Pettson's Inventions vs Thinkrolls Space

The clearest difference is ratings volume: Thinkrolls Space at 3.4K against Pettson's Inventions's 49. Thinkrolls Space also leads on review sentiment (93% vs 76%). Pettson's Inventions's advantage is price ($4.99 vs $5.99). On rating, update cadence, ads and in-app purchases there is nothing between them.

Pettson's Inventions costs $4.99 and Thinkrolls Space $5.99 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 — 4.7 for Pettson's Inventions against 4.6 for Thinkrolls Space. That said, the two scores are not equally well evidenced: Thinkrolls Space has 3.4K ratings behind it against 49, so its average is the more settled of the two. Written reviews are what separate them: 76% of Pettson's Inventions's written reviews are positive against 93% of Thinkrolls Space's.

Pettson's Inventions ships an update every 7 months, Thinkrolls Space every 8 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions | Thinkrolls Space |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | **[4.7 (49 ratings)](https://appshunter.io/ios/app/pettsons-inventions/id524685220/reviews)** | [4.6 (3.4K ratings)](https://appshunter.io/ios/app/thinkrolls-space/id1458751834/reviews) |
| Number of ratings | 49 | **3.4K** |
| Positive reviews | 75.7% of reviews | **92.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 290 MB | 174 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) | [AVOKIDDO](https://appshunter.io/developer/1137946176) |

## What reviewers say

### Pettson's Inventions

[App page](https://appshunter.io/ios/app/pettsons-inventions/id524685220)

Engage in a logic and creativity-boosting puzzle game where you help characters build clever inventions. Drag and drop objects into machinery to complete 27 unique contraptions, with a special space mission unlocked upon completion.

**Highlights:** Build 27 unique inventions, Drag and drop object placement, Adjustable difficulty with fake objects, Unlockable space mission, Multilingual support (English, Swedish, German), Stimulates logic and creativity

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Creative and imaginative gameplay
- 🧠 Encourages problem-solving skills
- 👨‍👩‍👧‍👦 Fun for all ages
- 🎨 Beautiful and charming graphics
- 🎵 Pleasant and engaging music

**What reviewers complain about**

- ⏳ Too short / few levels
- 💰 Overpriced for content
- 🤷‍♂️ Difficulty not well-balanced
- 🗣️ Language barriers (subtitles only)
- 🔊 No sound / audio issues

**Reported bugs**

- No sound
- Sound not working on iOS 8.3
- App not launching on iOS 11 (32-bit)
- Levels not unlocking
- Slow to load sometimes

**Requested features**

- More levels
- Add more difficult levels
- Add hints for hard stages
- Add a slow-motion feature
- Update app for 32-bit support


### 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


## Frequently asked questions

### Is Pettson's Inventions free?

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

### Is Thinkrolls Space free?

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

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

Pettson's Inventions is rated higher. Pettson's Inventions averages 4.7 out of 5 from 49 ratings, while Thinkrolls Space averages 4.6 from 3.4K ratings.

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

Neither Pettson's Inventions nor Thinkrolls Space shows ads.

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

Pettson's Inventions ships an update every 7 months, and Thinkrolls Space every 8 months. Most recently, Pettson's Inventions was updated on October 24, 2026 and Thinkrolls Space 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.*