# DualBrain+  Brain Training vs SmartFriends

The clearest difference is price: SmartFriends at Free against DualBrain+  Brain Training's $1.99. SmartFriends also leads on update cadence (every 2 weeks vs every 22 months) and ratings volume (139 vs 3). DualBrain+  Brain Training's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support there is nothing between them.

SmartFriends is free to download; DualBrain+  Brain Training costs $1.99 up front. SmartFriends sells 10 in-app purchases, starting at $2.99 per month. DualBrain+  Brain Training asks for nothing beyond the download.

SmartFriends holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: SmartFriends has 139 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 74% of DualBrain+  Brain Training's written reviews are positive against 83% of SmartFriends's.

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

## The numbers

| Metric | DualBrain+  Brain Training | SmartFriends |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/dualbrain-plus-brain-training/id371426052/reviews) | **[4.6 (139 ratings)](https://appshunter.io/ios/app/smartfriends-brain-training/id1608490212/reviews)** |
| Number of ratings | 3 | **139** |
| Positive reviews | 73.8% of reviews | **83.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 26 MB | 73 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [subkom GmbH](https://appshunter.io/developer/363120138) | [SmartFriends B.V.](https://appshunter.io/developer/1036798547) |

## What reviewers say

### DualBrain+  Brain Training

[App page](https://appshunter.io/ios/app/dualbrain-plus-brain-training/id371426052)

Engage in a variety of exciting games designed to challenge your cognitive abilities. Compete against yourself and others on global leaderboards while unlocking achievements. Enjoy a multi-language interface and customizable music options.

**Highlights:** Eight distinct timed games, Three challenging game modes, Multiple difficulty levels, GameCenter leaderboards, Unlockable achievements, Social media sharing, Multi-language support

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

**In-app purchases:** none


### 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 DualBrain+  Brain Training free?

DualBrain+  Brain Training costs $1.99, with no in-app purchases.

### Is SmartFriends free?

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

### Which has better reviews, DualBrain+  Brain Training or SmartFriends?

SmartFriends is rated higher. DualBrain+  Brain Training averages 4.3 out of 5 from 3 ratings, while SmartFriends averages 4.6 from 139 ratings.

### Do DualBrain+  Brain Training or SmartFriends have ads?

SmartFriends shows ads; DualBrain+  Brain Training does not.

### Which is updated more often, DualBrain+  Brain Training or SmartFriends?

DualBrain+  Brain Training ships an update every 22 months, and SmartFriends every 2 weeks. Most recently, DualBrain+  Brain Training 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.*