# Memory Explode vs O’Block

The clearest difference is in-app purchases: Memory Explode at none against O’Block's 4. Memory Explode also leads on iOS requirement (13.0 vs 15.0). O’Block's advantage is update cadence (weekly vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. O’Block sells 4 one-off in-app purchases. Memory Explode asks for nothing beyond the download.

Memory Explode ships an update every 13 months, O’Block weekly. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Memory Explode | O’Block |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/oblock-daily-block-puzzle/id6759292935/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 51 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NGUYEN DUC HIEU](https://appshunter.io/developer/762617890) | [Arunavo Ray](https://appshunter.io/developer/1843284652) |

## What reviewers say

### Memory Explode

[App page](https://appshunter.io/ios/app/memory-explode-are-u-stupid/id824061925)

**Features:** macOS Compatibility

**In-app purchases:** none


### O’Block

[App page](https://appshunter.io/ios/app/oblock-daily-block-puzzle/id6759292935)

This daily block puzzle offers a unique challenge with one board and one attempt for all players worldwide. Compete on global leaderboards, enjoy endless classic mode with special mechanics, or embark on a curated journey of levels. The game emphasizes a clean, ad-free experience with no sign-up required.

**Highlights:** Daily seeded puzzle, Global leaderboards, Endless classic mode, Themed journey levels, No sign-up or ads, In-app purchases for continues/hints

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2,000 O'Coins | $0.99 | one-time |
| 3,300 O'Coins | $1.99 | one-time |
| 6,000 O'Coins | $2.99 | one-time |
| 10,000 O'Coins | $4.99 | one-time |


## Frequently asked questions

### Is Memory Explode free?

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

### Is O’Block free?

O’Block is free to download, with in-app purchases available.

### Do Memory Explode or O’Block have ads?

Neither Memory Explode nor O’Block shows ads.

### Which is updated more often, Memory Explode or O’Block?

Memory Explode ships an update every 13 months, and O’Block weekly. Most recently, Memory Explode was updated on October 10, 2026 and O’Block on October 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.*