# Memory Explode vs Perfect Size!

The clearest difference is update cadence: Perfect Size! at every 4 days against Memory Explode's every 13 months. Perfect Size! also leads on iOS requirement (9.0 vs 13.0). 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.

Memory Explode ships an update every 13 months, Perfect Size! every 4 days. The most recent releases landed on September 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Memory Explode | Perfect Size! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (17 ratings)](https://appshunter.io/ios/app/perfect-size/id1455322490/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 55.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 11 MB | 130 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NGUYEN DUC HIEU](https://appshunter.io/developer/762617890) | [Cogoo Inc.](https://appshunter.io/developer/951657514) |

## 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


### Perfect Size!

[App page](https://appshunter.io/ios/app/perfect-size/id1455322490)

Test your visual perception in this simple game by matching shapes to their perfect size. With over 300 stages and multiple difficulty levels, it offers a fun challenge for all ages.

**Highlights:** Over 300 stages, Easy, Normal, Hard levels, Variety of challenging shapes, Addictive gameplay, Brain training, Suitable for kids

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Explode free?

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

### Is Perfect Size! free?

Perfect Size! is free to download, with no in-app purchases.

### Do Memory Explode or Perfect Size! have ads?

Neither Memory Explode nor Perfect Size! shows ads.

### Which is updated more often, Memory Explode or Perfect Size!?

Memory Explode ships an update every 13 months, and Perfect Size! every 4 days. Most recently, Memory Explode was updated on September 9, 2026 and Perfect Size! on September 30, 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.*