# Eureka vs Shape Fold

The clearest difference is rating: Eureka at 4.7 against Shape Fold's 4.2. Eureka also leads on review sentiment (77% vs 50%) and ratings volume (510 vs 9). Shape Fold's advantage is iOS requirement (9.0 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Eureka sells 1 one-off in-app purchase and Shape Fold sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Eureka holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Eureka has 510 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 77% of Eureka's written reviews are positive against 50% of Shape Fold's.

Eureka ships an update every 4 weeks, Shape Fold every 6 weeks. The most recent releases landed on September 19, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | Eureka | Shape Fold |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (510 ratings)](https://appshunter.io/ios/app/eureka-brain-training/id1485438085/reviews)** | [4.2 (9 ratings)](https://appshunter.io/ios/app/shape-fold/id1491412811/reviews) |
| Number of ratings | **510** | 9 |
| Positive reviews | **76.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 140 MB | 31 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [INFINITY GAMES, LDA](https://appshunter.io/developer/1088875165) | [Domas Kazragis](https://appshunter.io/developer/1056195725) |

## What reviewers say

### Eureka

[App page](https://appshunter.io/ios/app/eureka-brain-training/id1485438085)

This app offers over 50 mini-games designed to test and improve various cognitive skills like logic, memory, creativity, and focus. It provides a fun and challenging way to stimulate your brain and see if you can outsmart others.

**Highlights:** Over 50 mini-games, Tests logic, memory, creativity, speed, Improves focus and brain skills, Diverse and unique puzzles, Addictive brain challenge

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🤩 Fun and engaging gameplay
- 🧠 Challenges the mind
- 👍 Kid-friendly
- 😍 Addictive and immersive
- 💯 Great for cognitive exercise

**What reviewers complain about**

-  anúncios Ads are intrusive
- 🗑️ Paid version still has ads
- 🧩 Lacks variety in puzzles

**Reported bugs**

- Ads after every level
- Paid version with ads


### Shape Fold

[App page](https://appshunter.io/ios/app/shape-fold/id1491412811)

This puzzle game challenges you to reassemble connected shapes. Explore diverse themes with unique mechanics and over 100 free levels. Simple drag-and-drop controls make it easy to play.

**Highlights:** Connected shape puzzles, Interactive pieces, Diverse level themes, Simple drag-and-drop controls, Over 100 free levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shape Fold Premium | $2.99 | one-time |


## Frequently asked questions

### Is Eureka free?

Eureka is free to download, with in-app purchases available.

### Is Shape Fold free?

Shape Fold is free to download, with in-app purchases available.

### Which has better reviews, Eureka or Shape Fold?

Eureka is rated higher. Eureka averages 4.7 out of 5 from 510 ratings, while Shape Fold averages 4.2 from 9 ratings.

### Do Eureka or Shape Fold have ads?

Both Eureka and Shape Fold show ads.

### Which is updated more often, Eureka or Shape Fold?

Eureka ships an update every 4 weeks, and Shape Fold every 6 weeks. Most recently, Eureka was updated on September 19, 2026 and Shape Fold on July 5, 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.*