# Knock Balls! vs Perfect Cannon

The clearest difference is in-app purchases: Perfect Cannon at none against Knock Balls!'s 1. Perfect Cannon also leads on ads (none vs shown) and rating (5.0 vs 4.6). Knock Balls!'s advantage is ratings volume (211K vs 1). On price, update cadence and device support there is nothing between them.

Both are free to download. Knock Balls! sells 1 one-off in-app purchase. Perfect Cannon asks for nothing beyond the download.

Perfect Cannon holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Knock Balls! has 211K ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Knock Balls! | Perfect Cannon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (211K ratings)](https://appshunter.io/ios/app/knock-balls/id1424257445/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perfect-cannon/id1488046790/reviews)** |
| Number of ratings | **211K** | 1 |
| Positive reviews | 45.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 286 MB | 184 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Eddy Pierre](https://appshunter.io/developer/1496576204) |

## What reviewers say

### Knock Balls!

[App page](https://appshunter.io/ios/app/knock-balls/id1424257445)

Test your aim by throwing balls to demolish various structures. Enjoy hundreds of levels with diverse visuals and challenging gameplay. Simple one-tap controls make it easy to pick up and play.

**Highlights:** Throw balls to crush structures, Hundreds of levels, Diverse visual ambiances, One-tap controls, Addictive gameplay

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $3.99 | one-time |

**What reviewers like**

- 🚀 Addictive and fun
- 👍 Satisfying physics and gameplay
- 🎨 Visually appealing graphics

**What reviewers complain about**

- 💢 Excessive ads
- 🔁 Repetitive levels and block formations
- 🔇 Lack of sound effects

**Reported bugs**

- Game crashes or freezes after ads
- Inconsistent performance on some devices

**Requested features**

- More challenging and varied levels
- Ability to save/carry over unused balls
- Customizable cannons and upgrades


### Perfect Cannon

[App page](https://appshunter.io/ios/app/perfect-cannon/id1488046790)

Engage in an infinite shooting experience with a variety of cannon guns. Utilize boosters and power-ups to enhance your shooting power and speed. Upgrade your arsenal with in-game currency to conquer challenging puzzle levels.

**Highlights:** Infinite shooting gameplay, Multiple cannon guns, Boosters and power-ups, Weapon upgrades, Puzzle levels, Challenging gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Knock Balls! free?

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

### Is Perfect Cannon free?

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

### Which has better reviews, Knock Balls! or Perfect Cannon?

Perfect Cannon is rated higher. Knock Balls! averages 4.6 out of 5 from 211K ratings, while Perfect Cannon averages 5.0 from 1 ratings.

### Do Knock Balls! or Perfect Cannon have ads?

Knock Balls! shows ads; Perfect Cannon does not.

### Which is updated more often, Knock Balls! or Perfect Cannon?

Knock Balls! ships an update every 3 months, and Perfect Cannon every 3 months. Most recently, Knock Balls! was updated on November 1, 2026 and Perfect Cannon on October 29, 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.*