# Clue Sort vs Category Stack

The clearest difference is in-app purchases: Clue Sort at none against Category Stack's 7. Clue Sort also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Category Stack sells 7 one-off in-app purchases. Clue Sort asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Clue Sort | Category Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 313 MB | 253 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GAMEPROMO CO., LIMITED](https://appshunter.io/developer/1619749576) | [Batuhan UCA](https://appshunter.io/developer/1895070189) |

## What reviewers say

### Clue Sort

[App page](https://appshunter.io/ios/app/clue-sort/id6767742692)

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

**In-app purchases:** none


### Category Stack

[App page](https://appshunter.io/ios/app/category-stack/id6785968480)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Pack 1 | $1.99 | one-time |
| Gold Pack 2 | $7.99 | one-time |
| No Ads Pack | $7.99 | one-time |
| Gold Pack 3 | $14.99 | one-time |
| Gold Pack 4 | $29.99 | one-time |
| Gold Pack 5 | $54.99 | one-time |
| Gold Pack 6 | $99.99 | one-time |


## Frequently asked questions

### Is Clue Sort free?

Clue Sort is free to download, with no in-app purchases.

### Is Category Stack free?

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

### Do Clue Sort or Category Stack have ads?

Both Clue Sort and Category Stack show ads.

### Which is updated more often, Clue Sort or Category Stack?

Clue Sort ships an update every 3 weeks, and Category Stack every 3 weeks. Most recently, Clue Sort was updated on October 8, 2026 and Category Stack on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*