# Perfect Size! vs Block Master 3D

The clearest difference is update cadence: Perfect Size! at every 4 days against Block Master 3D's every 67 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.

Perfect Size! ships an update every 4 days, Block Master 3D every 67 months. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Perfect Size! | Block Master 3D |
| --- | --- | --- |
| 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 4 days** | Every 67 months |
| Monetization | Free | — |
| Size | 130 MB | 55 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cogoo Inc.](https://appshunter.io/developer/951657514) | [App Swim LLC](https://appshunter.io/developer/1475582966) |

## What reviewers say

### 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


### Block Master 3D

[App page](https://appshunter.io/ios/app/block-master-3d/id1527561565)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Perfect Size! free?

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

### Is Block Master 3D free?

Block Master 3D is free to download, with no in-app purchases.

### Do Perfect Size! or Block Master 3D have ads?

Neither Perfect Size! nor Block Master 3D shows ads.

### Which is updated more often, Perfect Size! or Block Master 3D?

Perfect Size! ships an update every 4 days, and Block Master 3D every 67 months. Most recently, Perfect Size! was updated on September 30, 2026 and Block Master 3D 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.*