# Brain Games vs Eureka

The clearest difference is ratings volume: Brain Games at 25K against Eureka's 510. Eureka's advantage is iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Brain Games sells 11 in-app purchases, starting at $3.99 per 7 days and Eureka sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Brain Games against 4.7 for Eureka. That said, the two scores are not equally well evidenced: Brain Games has 25K ratings behind it against 510, so its average is the more settled of the two. Written reviews are what separate them: 84% of Brain Games's written reviews are positive against 77% of Eureka's.

Brain Games ships an update fortnightly, Eureka every 4 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Brain Games | Eureka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (25K ratings)](https://appshunter.io/ios/app/brain-games-left-vs-right/id576395411/reviews) | [4.7 (510 ratings)](https://appshunter.io/ios/app/eureka-brain-training/id1485438085/reviews) |
| Number of ratings | **25K** | 510 |
| Positive reviews | **83.8% of reviews** | 76.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 206 MB | 140 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MochiBits, LLC](https://appshunter.io/developer/351678910) | [INFINITY GAMES, LDA](https://appshunter.io/developer/1088875165) |

## What reviewers say

### Brain Games

[App page](https://appshunter.io/ios/app/brain-games-left-vs-right/id576395411)

Enhance cognitive skills with daily brain training exercises. This app offers 50 mini-games across six categories to improve awareness, adaptability, reflex, reasoning, precision, and patience. Keep your mind sharp and prepared for daily challenges.

**Highlights:** 50 mini-games, 6 cognitive categories, Daily brain training, Mind sharpness improvement, Memory training, Cognitive skill enhancement

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Left vs Right VIP Membership | $3.99 | per 7 days |
| Monthly VIP Subscription | $4.99 | per month |
| Monthly VIP Subscription | $6.99 | per month |
| Monthly VIP Subscription | $8.99 | per month |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $29.99 | per year |
| Yearly VIP Subscription | $39.99 | per year |
| Yearly VIP Subscription | $47.99 | per year |
| Yearly VIP Subscription | $59.99 | per year |
| Left vs Right VIP Week Pass | $1.99 | one-time |
| Lifetime VIP Pass | $49.99 | one-time |

**What reviewers like**

- 👍 Good brain exercises
- 🤓 Helps improve memory and focus
- 🧠 Challenges the mind
- 💡 Variety of games and training
- 🕰️ Gentle and not too difficult

**What reviewers complain about**

- 🤑 Some features locked behind paywall
- 🤔 Unclear instructions for certain games
- 🎨 Difficulty distinguishing colors for colorblind users
- 🔁 Constant review prompts can be annoying

**Reported bugs**

- Inconsistent game mechanics and rule application
- Compatibility issues with newer devices

**Requested features**

- More advanced and challenging games
- Ability to track progress and stats without paying
- Preview of upcoming games
- Customizable difficulty levels


### 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


## Frequently asked questions

### Is Brain Games free?

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

### Is Eureka free?

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

### Which has better reviews, Brain Games or Eureka?

Brain Games and Eureka are both rated 4.7 out of 5 on the App Store, from 25K and 510 ratings respectively.

### Do Brain Games or Eureka have ads?

Both Brain Games and Eureka show ads.

### Which is updated more often, Brain Games or Eureka?

Brain Games ships an update fortnightly, and Eureka every 4 weeks. Most recently, Brain Games was updated on September 25, 2026 and Eureka on September 19, 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.*