# Stack Jam vs Slide Knockout

The clearest difference is in-app purchases: Stack Jam at none against Slide Knockout's 4. Stack Jam also leads on iOS requirement (12.0 vs 15.0). Slide Knockout's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Slide Knockout sells 4 one-off in-app purchases. Stack Jam asks for nothing beyond the download.

## The numbers

| Metric | Stack Jam | Slide Knockout |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 6 days |
| Size | 91 MB | 383 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Microdose Oy](https://appshunter.io/developer/1558832409) | [Andrey Kutuzov](https://appshunter.io/developer/1610762419) |

## What reviewers say

### Stack Jam

[App page](https://appshunter.io/ios/app/stack-jam-sort-colors/id6738658523)

**Features:** macOS Compatibility

**In-app purchases:** none


### Slide Knockout

[App page](https://appshunter.io/ios/app/slide-knockout-ragdoll-pvp/id6760192867)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Coins | $0.99 | one-time |
| 100 Coins | $1.99 | one-time |
| Remove ADs | $1.99 | one-time |
| 250 Coinst | $4.99 | one-time |


## Frequently asked questions

### Is Stack Jam free?

Stack Jam is free to download, with no in-app purchases.

### Is Slide Knockout free?

Slide Knockout is free to download, with in-app purchases available.

### Do Stack Jam or Slide Knockout have ads?

Stack Jam shows ads; Slide Knockout does not.

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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.*