# Brain Training, Know brain age vs Eureka

The clearest difference is update cadence: Eureka at every 4 weeks against Brain Training, Know brain age's every 3 months. Eureka also leads on rating (4.7 vs 4.5). Brain Training, Know brain age's advantage is iOS requirement (9.0 vs 12.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Brain Training, Know brain age sells 1 one-off in-app purchase and Eureka 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 4.5. Both are backed by a comparable volume of ratings — 234 and 510 respectively. Written reviews complicate that: 82% of Brain Training, Know brain age's written reviews are positive against 77% of Eureka's, so the app with the better star average is not the one people write more warmly about.

Brain Training, Know brain age ships an update every 3 months, Eureka every 4 weeks. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Brain Training, Know brain age | Eureka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (234 ratings)](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396/reviews) | **[4.7 (510 ratings)](https://appshunter.io/ios/app/eureka-brain-training/id1485438085/reviews)** |
| Number of ratings | 234 | **510** |
| Positive reviews | **82.2% of reviews** | 76.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 140 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [INFINITY GAMES, LDA](https://appshunter.io/developer/1088875165) |

## What reviewers say

### Brain Training, Know brain age

[App page](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396)

Test your cognitive abilities with quick, engaging games to determine your brain age. Improve observation, memory, judgment, and reaction skills through daily challenges and puzzles.

**Highlights:** Brain age assessment, Quick 30-second games, Observation challenges, Memory tests, Judgment and intuition games, Daily puzzle games, General cognitive test

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Training - Premium Edition (without ads) | $1.99 | one-time |

**What reviewers like**

- 👍 Helps train brain
- 👍 Enjoyable daily brain games
- 👍 Good game, perfect time filler
- 👍 Keeps brain alert and shows when not well
- 👍 Fantastic game, highly recommended

**What reviewers complain about**

- 🐛 Unclear instructions for some games
- 🐛 Issues with calculation section (incorrect crosses)
- 🐛 Individual game scores not updated regularly

**Reported bugs**

- Help section not working
- Incompatibility with older devices

**Requested features**

- More game variety
- Option to save progress and sync across devices
- Detailed breakdown of scores and performance


### 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 Training, Know brain age free?

Brain Training, Know brain age 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 Training, Know brain age or Eureka?

Eureka is rated higher. Brain Training, Know brain age averages 4.5 out of 5 from 234 ratings, while Eureka averages 4.7 from 510 ratings.

### Do Brain Training, Know brain age or Eureka have ads?

Both Brain Training, Know brain age and Eureka show ads.

### Which is updated more often, Brain Training, Know brain age or Eureka?

Brain Training, Know brain age ships an update every 3 months, and Eureka every 4 weeks. Most recently, Brain Training, Know brain age was updated on October 14, 2026 and Eureka on October 4, 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.*