# Memory Dojo vs CalcBlitz

The clearest difference is in-app purchases: CalcBlitz at none against Memory Dojo's 8. Memory Dojo's advantage is iOS requirement (16.0 vs 26.2). On price there is nothing between them.

Both are free to download. Memory Dojo sells 8 in-app purchases, starting at $7.99 per month. CalcBlitz asks for nothing beyond the download.

## The numbers

| Metric | Memory Dojo | CalcBlitz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 4 days | — |
| Size | 112 MB | 7 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | **iPhone** | — |
| Age rating | 12+ | 4+ |
| Developer | [Shai Alkoby](https://appshunter.io/developer/563583487) | [Slavka Polanova](https://appshunter.io/developer/1708764553) |

## What reviewers say

### Memory Dojo

[App page](https://appshunter.io/ios/app/memory-dojo-train-your-brain/id6759150858)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium User - 1 Month | $7.99 | per month |
| Premium User - 3 Months | $19.99 | per 3 months |
| Premium User - 1 Year | $59.99 | per year |
| Diamonds Pack #1 | $2.99 | one-time |
| Diamonds Pack #2 | $6.99 | one-time |
| Diamonds Pack #3 | $14.99 | one-time |
| Diamonds Pack #4 | $39.99 | one-time |
| Diamonds Pack #5 | $79.99 | one-time |


### CalcBlitz

[App page](https://appshunter.io/ios/app/calcblitz-quick-math-quiz/id6763125845)

**In-app purchases:** none


## Frequently asked questions

### Is Memory Dojo free?

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

### Is CalcBlitz free?

CalcBlitz is free to download, with no in-app purchases.

---

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