# Knockout vs PopRush

The clearest difference is in-app purchases: Knockout at none against PopRush's 3. Knockout also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PopRush sells 3 one-off in-app purchases. Knockout asks for nothing beyond the download.

Knockout ships an update fortnightly, PopRush every 3 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Knockout | PopRush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (269 ratings)](https://appshunter.io/ios/app/knockout-penguin-power/id6759641743/reviews)** | — |
| Number of ratings | **269** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 138 MB | 51 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abderrahmane Batlamouss](https://appshunter.io/developer/1865309724) | [Fatih Gursoy](https://appshunter.io/developer/1618235976) |

## What reviewers say

### Knockout

[App page](https://appshunter.io/ios/app/knockout-penguin-power/id6759641743)

Engage in fast-paced, chaotic penguin battles across icy arenas. Push opponents out to be the last one standing in this physics-based party game with simple controls and colorful characters.

**Highlights:** Fast-paced knockout battles, Push opponents out of arenas, Simple, skill-based controls, Fun physics-based gameplay, Cute penguin characters, Short, exciting rounds

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

**In-app purchases:** none


### PopRush

[App page](https://appshunter.io/ios/app/poprush-action-arcade/id6795224685)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Gold | $0.99 | one-time |
| 1400 Gold | $1.99 | one-time |
| 3500 Gold | $3.99 | one-time |


## Frequently asked questions

### Is Knockout free?

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

### Is PopRush free?

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

### Do Knockout or PopRush have ads?

Both Knockout and PopRush show ads.

### Which is updated more often, Knockout or PopRush?

Knockout ships an update fortnightly, and PopRush every 3 months. Most recently, Knockout was updated on November 9, 2026 and PopRush on October 31, 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.*