# Pettson's Inventions 3 vs Thinkrolls Space

Pettson's Inventions 3 and Thinkrolls Space both sit at 4.8 stars, but that hides the real split: 93% of Thinkrolls Space's written reviews are positive against 43% of Pettson's Inventions 3's. Thinkrolls Space also leads on ratings volume (3.4K vs 13) and chart position (#87 vs unranked). Pettson's Inventions 3's advantage is update cadence (every 2 months vs every 8 months) and price ($4.99 vs $5.99). On rating, ads, in-app purchases and monetization model there is nothing between them.

Pettson's Inventions 3 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 — 4.8 for Pettson's Inventions 3 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 13, so its average is the more settled of the two. Written reviews are what separate them: 43% of Pettson's Inventions 3's written reviews are positive against 93% of Thinkrolls Space's.

Pettson's Inventions 3 ships an update every 2 months, Thinkrolls Space every 8 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions 3 | Thinkrolls Space |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/pettsons-inventions-3/id1157967043/reviews)** | [4.6 (3.4K ratings)](https://appshunter.io/ios/app/thinkrolls-space/id1458751834/reviews) |
| Number of ratings | 13 | **3.4K** |
| Positive reviews | 42.9% of reviews | **92.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#87** |
| Size | 245 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 3

[App page](https://appshunter.io/ios/app/pettsons-inventions-3/id1157967043)

Explore a farm and complete 36 new inventions across six themed areas. Drag and drop items to solve physics-based puzzles and stimulate creativity. This app is designed for preschoolers to practice logic and creativity.

**Highlights:** 36 new inventions, 6 themed areas, Drag and drop puzzle mechanics, Physics-based challenges, Stimulates logic and creativity, Kid-friendly interface, Adjustable difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


### Thinkrolls Space

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

**Currently charting:** #87 Top Paid · Education (US App Store)

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 3 free?

Pettson's Inventions 3 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 3 or Thinkrolls Space?

Pettson's Inventions 3 is rated higher. Pettson's Inventions 3 averages 4.8 out of 5 from 13 ratings, while Thinkrolls Space averages 4.6 from 3.4K ratings.

### Do Pettson's Inventions 3 or Thinkrolls Space have ads?

Neither Pettson's Inventions 3 nor Thinkrolls Space shows ads.

### Which is updated more often, Pettson's Inventions 3 or Thinkrolls Space?

Pettson's Inventions 3 ships an update every 2 months, and Thinkrolls Space every 8 months. Most recently, Pettson's Inventions 3 was updated on November 2, 2026 and Thinkrolls Space on November 6, 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.*