# Robo Run Memory vs Math Riddles

The clearest difference is in-app purchases: Robo Run Memory at none against Math Riddles's 3. Robo Run Memory also leads on ads (none vs shown) and iOS requirement (12.2 vs 15.0). Math Riddles's advantage is update cadence (every 6 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Math Riddles sells 3 in-app purchases, starting at $3.99 per month. Robo Run Memory asks for nothing beyond the download.

Robo Run Memory ships an update every 6 months, Math Riddles every 6 weeks. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Robo Run Memory | Math Riddles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (5 ratings)](https://appshunter.io/ios/app/math-riddles-brain-games/id6449851642/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 30 MB | 42 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chris Clements](https://appshunter.io/developer/1023107489) | [Huseyin Sahinli](https://appshunter.io/developer/1690196717) |

## What reviewers say

### Robo Run Memory

[App page](https://appshunter.io/ios/app/robo-run-memory/id1273765882)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Riddles

[App page](https://appshunter.io/ios/app/math-riddles-brain-games/id6449851642)

Engage in daily brain training with over 100 unique math riddles and logic puzzles. Improve your logic, reasoning, memory, and focus with challenges suitable for all ages. Track your progress and boost your IQ with this addictive brain gym.

**Highlights:** 100+ unique math riddles, Logic and reasoning puzzles, Mental math practice, Memory and focus enhancement, Progress tracking, Offline mode, Daily challenges

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Monthly | $3.99 | per month |
| Premium — Yearly | $9.99 | per year |
| Premium — Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Robo Run Memory free?

Robo Run Memory is free to download, with no in-app purchases.

### Is Math Riddles free?

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

### Do Robo Run Memory or Math Riddles have ads?

Math Riddles shows ads; Robo Run Memory does not.

### Which is updated more often, Robo Run Memory or Math Riddles?

Robo Run Memory ships an update every 6 months, and Math Riddles every 6 weeks. Most recently, Robo Run Memory was updated on October 4, 2026 and Math Riddles on October 5, 2026.

---

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