# 9x2x7x5 vs Thready Math

The clearest difference is in-app purchases: Thready Math at none against 9x2x7x5's 1. Thready Math also leads on update cadence (every 3 days vs every 9 days) and device support. On price there is nothing between them.

Both are free to download. 9x2x7x5 sells 1 one-off in-app purchase. Thready Math asks for nothing beyond the download.

9x2x7x5 ships an update every 9 days, Thready Math every 3 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 9x2x7x5 | Thready Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | Yes |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 8 MB | 126 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CEDRIC VINCENT](https://appshunter.io/developer/1172751441) | [Volodymyr Delinskyi](https://appshunter.io/developer/1472993251) |

## What reviewers say

### 9x2x7x5

[App page](https://appshunter.io/ios/app/9x2x7x5/id940166169)

**In-app purchases (1)**

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


### Thready Math

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 9x2x7x5 free?

9x2x7x5 is free to download, with in-app purchases available.

### Is Thready Math free?

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

### Which is updated more often, 9x2x7x5 or Thready Math?

9x2x7x5 ships an update every 9 days, and Thready Math every 3 days. Most recently, 9x2x7x5 was updated on October 11, 2026 and Thready Math on October 16, 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.*