# AB Math Expert vs Memory Walk

The clearest difference is price: Memory Walk at Free against AB Math Expert's $0.99. Memory Walk also leads on update cadence (weekly vs every 2 months). AB Math Expert's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 18.6). On ads and device support there is nothing between them.

Memory Walk is free to download; AB Math Expert costs $0.99 up front. Memory Walk sells 1 one-off in-app purchase. AB Math Expert asks for nothing beyond the download.

AB Math Expert ships an update every 2 months, Memory Walk weekly. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | AB Math Expert | Memory Walk |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.1 (13 ratings)](https://appshunter.io/ios/app/ab-math-expert/id423244428/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | — |
| Size | 17 MB | 3 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Lehovetzki](https://appshunter.io/developer/412827944) | [Bo Kalvslund](https://appshunter.io/developer/572272193) |

## What reviewers say

### AB Math Expert

[App page](https://appshunter.io/ios/app/ab-math-expert/id423244428)

Engage in a fast-paced mental calculation game that tests your speed and concentration. Click on bubbles in ascending order to solve math problems under time pressure. Compete globally and challenge yourself with five difficulty levels.

**Highlights:** Mental calculation game, Bubble clicking in ascending order, Speed and concentration challenge, Global ranking via Game Center, 5 difficulty levels, Universal app for iPad and iPhone

**Features:** Vision Pro support

**In-app purchases:** none


### Memory Walk

[App page](https://appshunter.io/ios/app/memory-walk/id6754450437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited routes | $0.99 | one-time |


## Frequently asked questions

### Is AB Math Expert free?

AB Math Expert costs $0.99, with no in-app purchases.

### Is Memory Walk free?

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

### Do AB Math Expert or Memory Walk have ads?

Neither AB Math Expert nor Memory Walk shows ads.

### Which is updated more often, AB Math Expert or Memory Walk?

AB Math Expert ships an update every 2 months, and Memory Walk weekly. Most recently, AB Math Expert was updated on October 18, 2026 and Memory Walk on October 16, 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.*