# Arf Blocks vs OJ Memory

The clearest difference is update cadence: OJ Memory at every 2 days against Arf Blocks's fortnightly. Arf Blocks's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arf Blocks ships an update fortnightly, OJ Memory every 2 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Arf Blocks | OJ Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 4 MB | 112 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lambda M BV](https://appshunter.io/developer/1894806051) | [Jonas Hedberg](https://appshunter.io/developer/6797882148) |

## What reviewers say

### Arf Blocks

[App page](https://appshunter.io/ios/app/arf-blocks/id6762602834)

**In-app purchases:** none


### OJ Memory

[App page](https://appshunter.io/ios/app/oj-memory/id6805472383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arf Blocks free?

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

### Is OJ Memory free?

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

### Do Arf Blocks or OJ Memory have ads?

Neither Arf Blocks nor OJ Memory shows ads.

### Which is updated more often, Arf Blocks or OJ Memory?

Arf Blocks ships an update fortnightly, and OJ Memory every 2 days. Most recently, Arf Blocks was updated on October 5, 2026 and OJ Memory on October 2, 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.*