# Brain Training, Know brain age vs SmartFriends

The clearest difference is update cadence: SmartFriends at every 2 weeks against Brain Training, Know brain age's every 3 months. Brain Training, Know brain age's advantage is iOS requirement (9.0 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Brain Training, Know brain age sells 1 one-off in-app purchase and SmartFriends sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Brain Training, Know brain age against 4.6 for SmartFriends. Both are backed by a comparable volume of ratings — 236 and 139 respectively. Written reviews split almost evenly too, at 82% and 83% positive.

Brain Training, Know brain age ships an update every 3 months, SmartFriends every 2 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Brain Training, Know brain age | SmartFriends |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (236 ratings)](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396/reviews) | **[4.6 (139 ratings)](https://appshunter.io/ios/app/smartfriends-brain-training/id1608490212/reviews)** |
| Number of ratings | **236** | 139 |
| Positive reviews | 82.2% of reviews | **83.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 73 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [SmartFriends B.V.](https://appshunter.io/developer/1036798547) |

## 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


### SmartFriends

[App page](https://appshunter.io/ios/app/smartfriends-brain-training/id1608490212)

Engage in daily brain training challenges with friends to boost cognitive skills. Compete in IQ tests covering logic, spatial reasoning, and number sequences. Track progress and climb leaderboards in a fun, competitive environment.

**Highlights:** Daily IQ challenges, Logic puzzles, Spatial reasoning tests, Number sequence problems, Leaderboard competition, Score sharing

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Special Offer! | $2.99 | per month |
| Premium Monthly Subscription | $4.49 | per month |
| Free Trial \| Premium Monthly | $4.49 | per month |
| Premium Special Offer! | $19.99 | per year |
| Premium Yearly Subscription | $29.99 | per year |
| Free Trial \| Premium Yearly | $29.99 | per year |
| 3 x genius challenges | $0.99 | one-time |
| 10 x genius challenges | $2.49 | one-time |
| Tip 1 | $4.99 | one-time |
| Tip 3 | $14.99 | one-time |

**What reviewers like**

- 🧠 Daily brain workout
- 💡 Challenging puzzles
- 🤔 Makes you think outside the box
- 👍 Fun and enjoyable
- 🚀 Quick brain check

**What reviewers complain about**

- 📺 Excessive advertisements
- 📉 Puzzles sometimes lack logic
- 🖼️ Unclear graphics/faint colors
- 🤔 Puzzles can be too difficult
- 🔄 Repetitive questions

**Reported bugs**

- App not loading puzzles
- Diagrams not accessible with screen readers
- Glitchy when enlarging challenge images
- Issues with lifetime access purchases
- Landscape mode for larger images when app is portrait only

**Requested features**

- Fix advertisements interrupting gameplay
- Improve puzzle logic and presentation
- Enhance graphics clarity (e.g., yellow on white)
- Make puzzles more varied and adult-oriented
- Improve accessibility for visually impaired users (diagram descriptions)


## 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 SmartFriends free?

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

### Which has better reviews, Brain Training, Know brain age or SmartFriends?

SmartFriends is rated higher. Brain Training, Know brain age averages 4.5 out of 5 from 236 ratings, while SmartFriends averages 4.6 from 139 ratings.

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

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

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

Brain Training, Know brain age ships an update every 3 months, and SmartFriends every 2 weeks. Most recently, Brain Training, Know brain age was updated on October 24, 2026 and SmartFriends on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*