# Block Guru vs Mosaic Stack

The clearest difference is update cadence: Mosaic Stack at every 6 days against Block Guru's every 2 weeks. Block Guru's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Block Guru sells 10 one-off in-app purchases and Mosaic Stack sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Block Guru ships an update every 2 weeks, Mosaic Stack every 6 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Block Guru | Mosaic Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (241 ratings)](https://appshunter.io/ios/app/block-guru-wood-3d-cube/id1600421925/reviews)** | — |
| Number of ratings | **241** | — |
| Positive reviews | 73.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 225 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZITIAN WU](https://appshunter.io/developer/1873852751) | [THOMAS WILLIAM UPSON](https://appshunter.io/developer/6812379882) |

## What reviewers say

### Block Guru

[App page](https://appshunter.io/ios/app/block-guru-wood-3d-cube/id1600421925)

Engage in a serene yet gripping puzzle experience that merges Tetris, squares, solitaire, and jigsaw puzzles. Strategically place Tetris shapes or wood cubes to complete rows, columns, or squares and advance through levels. This game offers addictive brain training for all ages.

**Highlights:** Tetris-inspired challenges, Wood cube placement, Complete rows, columns, and squares, Offline play, Brain training, Suitable for all ages

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 rotates | $0.99 | one-time |
| Rotate 10 | $0.99 | one-time |
| Bundle one | $0.99 | one-time |
| Bundle two | $3.99 | one-time |
| Remove AD | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 100 rotates | $9.99 | one-time |
| Rotate 100 | $9.99 | one-time |
| 1000 rotates | $19.99 | one-time |
| Rotate 1000 | $19.99 | one-time |

**What reviewers like**

- 👍 Addictive gameplay
- 🧠 Develops the human brain
- 🏆 Collects items through trophies
- ✨ Visually appealing
- 🎶 Audibly appealing

**What reviewers complain about**

-  광고 Excessive ads
- ⏳ Long and frequent ads
- 🚫 Ads impossible to close
- 📉 Game broken
- 😩 Frustrating daily gems setup

**Reported bugs**

- Game freezes often
- Game keeps freezing near high score
- Lag issues
- Game is broken

**Requested features**

- Show advertised game graphics
- More gemstones available


### Mosaic Stack

[App page](https://appshunter.io/ios/app/mosaic-stack/id6812396801)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Hints | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Block Guru free?

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

### Is Mosaic Stack free?

Mosaic Stack is free to download, with in-app purchases available.

### Do Block Guru or Mosaic Stack have ads?

Both Block Guru and Mosaic Stack show ads.

### Which is updated more often, Block Guru or Mosaic Stack?

Block Guru ships an update every 2 weeks, and Mosaic Stack every 6 days. Most recently, Block Guru was updated on October 13, 2026 and Mosaic Stack on October 15, 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.*