# Brain Training, Know brain age vs Spot The Difference Mismatched

The clearest difference is in-app purchases: Spot The Difference Mismatched at none against Brain Training, Know brain age's 1. Spot The Difference Mismatched also leads on update cadence (every 2 days vs every 3 months). Brain Training, Know brain age's advantage is ratings volume (234 vs 16) and device support (3 vs 1). On price, rating and ads there is nothing between them.

Both are free to download. Brain Training, Know brain age sells 1 one-off in-app purchase. Spot The Difference Mismatched asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Brain Training, Know brain age against 4.6 for Spot The Difference Mismatched. That said, the two scores are not equally well evidenced: Brain Training, Know brain age has 234 ratings behind it against 16, so its average is the more settled of the two.

Brain Training, Know brain age ships an update every 3 months, Spot The Difference Mismatched every 2 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Brain Training, Know brain age | Spot The Difference Mismatched |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (234 ratings)](https://appshunter.io/ios/app/brain-training-know-brain-age/id633246396/reviews) | **[4.6 (16 ratings)](https://appshunter.io/ios/app/spot-the-difference-mismatched/id6453694708/reviews)** |
| Number of ratings | **234** | 16 |
| Positive reviews | 82.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 24 MB | 38 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [QQ TSUBASA](https://appshunter.io/developer/568750169) | [Codepaint Inc.](https://appshunter.io/developer/820239814) |

## 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


### Spot The Difference Mismatched

[App page](https://appshunter.io/ios/app/spot-the-difference-mismatched/id6453694708)

Test your observation skills with this unique puzzle game. Explore meticulously handcrafted scenes with captivating contrasts and challenging differences. Enjoy simple yet addictive gameplay suitable for all ages.

**Highlights:** Observation skills test, Handcrafted levels, Challenging contrasts, Engaging gameplay, Vast environments

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

**In-app purchases:** none


## 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 Spot The Difference Mismatched free?

Spot The Difference Mismatched is free to download, with no in-app purchases.

### Which has better reviews, Brain Training, Know brain age or Spot The Difference Mismatched?

Spot The Difference Mismatched is rated higher. Brain Training, Know brain age averages 4.5 out of 5 from 234 ratings, while Spot The Difference Mismatched averages 4.6 from 16 ratings.

### Do Brain Training, Know brain age or Spot The Difference Mismatched have ads?

Both Brain Training, Know brain age and Spot The Difference Mismatched show ads.

### Which is updated more often, Brain Training, Know brain age or Spot The Difference Mismatched?

Brain Training, Know brain age ships an update every 3 months, and Spot The Difference Mismatched every 2 days. Most recently, Brain Training, Know brain age was updated on October 12, 2026 and Spot The Difference Mismatched on September 30, 2026.

---

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