# Brain Games vs JT's Mathmory

The clearest difference is in-app purchases: JT's Mathmory at none against Brain Games's 11. JT's Mathmory also leads on rating (5.0 vs 4.7). Brain Games's advantage is ratings volume (25K vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Brain Games sells 11 in-app purchases, starting at $3.99 per 7 days. JT's Mathmory asks for nothing beyond the download.

JT's Mathmory holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Brain Games has 25K ratings behind it against 3, so its average is the more settled of the two.

Brain Games ships an update fortnightly, JT's Mathmory every 9 days. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Brain Games | JT's Mathmory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (25K ratings)](https://appshunter.io/ios/app/brain-games-left-vs-right/id576395411/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/jts-mathmory/id6752426087/reviews)** |
| Number of ratings | **25K** | 3 |
| Positive reviews | 83.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 206 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MochiBits, LLC](https://appshunter.io/developer/351678910) | [Johnie Rodgers](https://appshunter.io/developer/1542286519) |

## 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


### JT's Mathmory

[App page](https://appshunter.io/ios/app/jts-mathmory/id6752426087)

This game challenges your memory and math skills by presenting equations. You need to recall if the solution or the exact equation has appeared previously. It's a unique blend of arithmetic and recall.

**Highlights:** Equation presentation, Solution recall, Exact equation memory, Arithmetic challenges, Progressive difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Games free?

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

### Is JT's Mathmory free?

JT's Mathmory is free to download, with no in-app purchases.

### Which has better reviews, Brain Games or JT's Mathmory?

JT's Mathmory is rated higher. Brain Games averages 4.7 out of 5 from 25K ratings, while JT's Mathmory averages 5.0 from 3 ratings.

### Do Brain Games or JT's Mathmory have ads?

Both Brain Games and JT's Mathmory show ads.

### Which is updated more often, Brain Games or JT's Mathmory?

Brain Games ships an update fortnightly, and JT's Mathmory every 9 days. Most recently, Brain Games was updated on November 1, 2026 and JT's Mathmory on October 24, 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.*