# Thready Math vs Block Puzzle in Space

The clearest difference is in-app purchases: Thready Math at none against Block Puzzle in Space's 3. Thready Math also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Block Puzzle in Space sells 3 one-off in-app purchases. Thready Math asks for nothing beyond the download.

Thready Math ships an update every 3 days, Block Puzzle in Space every 9 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Thready Math | Block Puzzle in Space |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 126 MB | 200 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Delinskyi](https://appshunter.io/developer/1472993251) | [海宁 徐](https://appshunter.io/developer/782982060) |

## What reviewers say

### Thready Math

[App page](https://appshunter.io/ios/app/thready-math/id1659728430)

**Features:** macOS Compatibility

**In-app purchases:** none


### Block Puzzle in Space

[App page](https://appshunter.io/ios/app/block-puzzle-in-space/id6478807534)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Times of Rotation | $0.99 | one-time |
| 25 Times of Rotation | $1.99 | one-time |
| 50 Times of Rotation | $2.99 | one-time |


## Frequently asked questions

### Is Thready Math free?

Thready Math is free to download, with no in-app purchases.

### Is Block Puzzle in Space free?

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

### Do Thready Math or Block Puzzle in Space have ads?

Both Thready Math and Block Puzzle in Space show ads.

### Which is updated more often, Thready Math or Block Puzzle in Space?

Thready Math ships an update every 3 days, and Block Puzzle in Space every 9 days. Most recently, Thready Math was updated on September 30, 2026 and Block Puzzle in Space on October 7, 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.*