# Knock Fever vs Loopella

The clearest difference is in-app purchases: Loopella at none against Knock Fever's 14. Loopella also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Knock Fever's advantage is iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Knock Fever sells 14 one-off in-app purchases. Loopella asks for nothing beyond the download.

Knock Fever ships an update weekly, Loopella every 3 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Knock Fever | Loopella |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (10K ratings)](https://appshunter.io/ios/app/knock-fever/id6786195352/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 607 MB | 9 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Kite Games](https://appshunter.io/developer/1878111512) | [Olivier de Brienne](https://appshunter.io/developer/1866954242) |

## What reviewers say

### Knock Fever

[App page](https://appshunter.io/ios/app/knock-fever/id6786195352)

Aim your cannon precisely to blast down colorful towers in this physics-based destruction game. Enjoy hundreds of satisfying levels with simple controls and spectacular chain reactions. Become the ultimate cannon champion by strategically knocking down every structure.

**Highlights:** Physics-based destruction, Hundreds of unique levels, Satisfying chain reactions, Simple aim and shoot controls, Colorful tower smashing, Rewarding challenges

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Bundle | $1.99 | one-time |
| 1000 Coins Pack | $1.99 | one-time |
| Mini Bundle | $4.99 | one-time |
| No Ads | $7.99 | one-time |
| 5000 Coins Pack | $7.99 | one-time |
| Season Pass | $9.99 | one-time |
| Premium Bundle | $9.99 | one-time |
| 10000 Coins Pack | $14.99 | one-time |
| Deluxe Bundle | $19.99 | one-time |
| 25000 Coins Pack | $29.99 | one-time |
| Mega Bundle | $49.99 | one-time |
| 50000 Coins Pack | $54.99 | one-time |
| Ultimate Bundle | $99.99 | one-time |
| 100000 coins pack | $99.99 | one-time |


### Loopella

[App page](https://appshunter.io/ios/app/loopella/id6799801834)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knock Fever free?

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

### Is Loopella free?

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

### Do Knock Fever or Loopella have ads?

Knock Fever shows ads; Loopella does not.

### Which is updated more often, Knock Fever or Loopella?

Knock Fever ships an update weekly, and Loopella every 3 days. Most recently, Knock Fever was updated on October 15, 2026 and Loopella on October 1, 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.*