# Just Stack vs Knock'em Out B'y

Just Stack and Knock'em Out B'y are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Just Stack | Knock'em Out B'y |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knockem-out-by/id6761337944/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | — | Free |
| Size | 3 MB | 2 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Pereira](https://appshunter.io/developer/1686588142) | [DAVID BENJAMIN PARNELL](https://appshunter.io/developer/1888984470) |

## What reviewers say

### Just Stack

[App page](https://appshunter.io/ios/app/just-stack/id6761028897)

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

**In-app purchases:** none


### Knock'em Out B'y

[App page](https://appshunter.io/ios/app/knockem-out-by/id6761337944)

Experience retro arcade curling with realistic physics and strategic shot selection. Compete in the Brier, unlock the Olympics, and customize your stones and ice. Discover hidden surprises in this 8-bit sports simulation.

**Highlights:** Realistic curling physics, Strategic shot selection, AI opponents with difficulty tiers, Compete in the Brier championship, Unlock Olympic mode, Customizable stone skins and ice themes, 8-bit retro arcade style

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Just Stack free?

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

### Is Knock'em Out B'y free?

Knock'em Out B'y is free to download, with no in-app purchases.

### Do Just Stack or Knock'em Out B'y have ads?

Neither Just Stack nor Knock'em Out B'y shows 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.*