# Memo 3D Kidz vs Block Master 3D

The clearest difference is price: Block Master 3D at Free against Memo 3D Kidz's $1.99. Block Master 3D also leads on iOS requirement (13.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Block Master 3D is free to download; Memo 3D Kidz costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Memo 3D Kidz ships an update every 35 months, Block Master 3D every 67 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Memo 3D Kidz | Block Master 3D |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 35 months** | Every 67 months |
| Size | 69 MB | 55 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [App Swim LLC](https://appshunter.io/developer/1475582966) |

## What reviewers say

### Memo 3D Kidz

[App page](https://appshunter.io/ios/app/memo-3d-kidz/id1510327729)

**Features:** macOS Compatibility

**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 Memo 3D Kidz free?

Memo 3D Kidz costs $1.99, with no in-app purchases.

### Is Block Master 3D free?

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

### Do Memo 3D Kidz or Block Master 3D have ads?

Neither Memo 3D Kidz nor Block Master 3D shows ads.

### Which is updated more often, Memo 3D Kidz or Block Master 3D?

Memo 3D Kidz ships an update every 35 months, and Block Master 3D every 67 months. Most recently, Memo 3D Kidz was updated on October 29, 2026 and Block Master 3D on November 3, 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.*