# co vs Category Stack

The clearest difference is in-app purchases: co at none against Category Stack's 10. co also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Category Stack sells 10 one-off in-app purchases. co asks for nothing beyond the download.

## The numbers

| Metric | co | Category Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (17 ratings)](https://appshunter.io/ios/app/category-stack-word-solitaire/id6794010218/reviews)** |
| Number of ratings | — | **17** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 159 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Max Lippman](https://appshunter.io/developer/1884183629) | [Kerim Sabuncugil](https://appshunter.io/developer/1712118898) |

## What reviewers say

### co

[App page](https://appshunter.io/ios/app/co-doku/id6760374765)

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

**In-app purchases:** none


### Category Stack

[App page](https://appshunter.io/ios/app/category-stack-word-solitaire/id6794010218)

A relaxing word puzzle game that combines solitaire mechanics with category sorting. Players stack cards into their correct categories to clear the board and sharpen their minds. Enjoy thousands of cards and categories with no time pressure.

**Highlights:** Solitaire-like gameplay, Category card stacking, Thousands of word cards, Daily rewards and bonuses, Helpful boosters available, Offline play supported, No timer, play at your own pace

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $1.99 | one-time |
| Mini Coin Package | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Welcome Offer | $7.99 | one-time |
| Large Coin Package | $7.99 | one-time |
| Paint Bundle | $9.99 | one-time |
| Super Coin Package | $14.99 | one-time |
| Super Bundle | $19.99 | one-time |
| Mega Coin Package | $29.99 | one-time |
| Giant Coin Package | $54.99 | one-time |


## Frequently asked questions

### Is co free?

co 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 co or Category Stack have ads?

Both co and Category Stack show ads.

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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.*