# Brain Training Math & Logic vs AI Answer Roulette

The clearest difference is price: AI Answer Roulette at Free against Brain Training Math & Logic's $0.99. AI Answer Roulette also leads on update cadence (fortnightly vs every 17 months). Brain Training Math & Logic's advantage is ads (none vs shown) and iOS requirement (11.0 vs 15.6). On in-app purchases and device support there is nothing between them.

AI Answer Roulette is free to download; Brain Training Math & Logic costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Brain Training Math & Logic ships an update every 17 months, AI Answer Roulette fortnightly. Both last shipped on November 7, 2026.

## The numbers

| Metric | Brain Training Math & Logic | AI Answer Roulette |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Fortnightly** |
| Size | 7 MB | 114 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Maria Dolores Garcia Ferre](https://appshunter.io/developer/970100146) | [katapu.net](https://appshunter.io/developer/381898924) |

## What reviewers say

### Brain Training Math & Logic

[App page](https://appshunter.io/ios/app/brain-training-math-and-logic/id1483194014)

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

**In-app purchases:** none


### AI Answer Roulette

[App page](https://appshunter.io/ios/app/ai-answer-roulette/id6466251483)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Training Math & Logic free?

Brain Training Math & Logic costs $0.99, with no in-app purchases.

### Is AI Answer Roulette free?

AI Answer Roulette is free to download, with no in-app purchases.

### Do Brain Training Math & Logic or AI Answer Roulette have ads?

AI Answer Roulette shows ads; Brain Training Math & Logic does not.

### Which is updated more often, Brain Training Math & Logic or AI Answer Roulette?

Brain Training Math & Logic ships an update every 17 months, and AI Answer Roulette fortnightly. Most recently, Brain Training Math & Logic was updated on November 7, 2026 and AI Answer Roulette on November 7, 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.*