# Memory Master vs HarfBlok

The clearest difference is in-app purchases: HarfBlok at none against Memory Master's 4. Memory Master's advantage is update cadence (daily vs every 3 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memory Master sells 2 in-app purchases, starting at $2.99 per month. HarfBlok asks for nothing beyond the download.

Memory Master ships an update daily, HarfBlok every 3 days. The most recent releases landed on September 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Memory Master | HarfBlok |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 3 days |
| Size | 6 MB | 53 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arif erdem Koyuncu](https://appshunter.io/developer/1886989445) | [SONER SARIDAG](https://appshunter.io/developer/1896120822) |

## What reviewers say

### Memory Master

[App page](https://appshunter.io/ios/app/memory-master-brain-training/id6761393900)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memory Master PRO: Monthly | $2.99 | per month |
| Memory Master PRO: Lifetime | $5.99 | one-time |


### HarfBlok

[App page](https://appshunter.io/ios/app/harfblok/id6770280621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Master free?

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

### Is HarfBlok free?

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

### Do Memory Master or HarfBlok have ads?

Both Memory Master and HarfBlok show ads.

### Which is updated more often, Memory Master or HarfBlok?

Memory Master ships an update daily, and HarfBlok every 3 days. Most recently, Memory Master was updated on September 13, 2026 and HarfBlok on September 23, 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.*