# Can Knockout vs Stack Block Blast

The clearest difference is ads: Stack Block Blast at none against Can Knockout's shown. Stack Block Blast also leads on update cadence (every 7 months vs every 48 months) and rating (5.0 vs 4.8). Can Knockout's advantage is ratings volume (4 vs 1). On price, review sentiment, in-app purchases and device support there is nothing between them.

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

Stack Block Blast holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Can Knockout ships an update every 48 months, Stack Block Blast every 7 months. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Can Knockout | Stack Block Blast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/can-knockout/id1165415884/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stack-block-blast-stacking/id6499319411/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 48 months | **Every 7 months** |
| Monetization | Ad-supported | **Free** |
| Size | 22 MB | 137 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Andrey Negovskiy](https://appshunter.io/developer/975106069) | [FIREFLY I.T. Solutions](https://appshunter.io/developer/1723741030) |

## What reviewers say

### Can Knockout

[App page](https://appshunter.io/ios/app/can-knockout/id1165415884)

Engage in physics-based gameplay where you throw and explode objects to achieve high scores. Compete with friends and enjoy relaxing challenges in new settings. Regular updates bring new locations and special effects.

**Highlights:** Physics-based gameplay, Throwing and exploding mechanics, High score competition, Relaxing challenges, New locations and effects, Achievements

**Features:** macOS Compatibility

**In-app purchases:** none


### Stack Block Blast

[App page](https://appshunter.io/ios/app/stack-block-blast-stacking/id6499319411)

Test your precision and timing in this one-tap block stacking game. Enjoy dynamic backgrounds, satisfying sound effects, and vibration feedback as you build the tallest tower possible. Aim for perfect stacks to earn bonus points and climb the leaderboards.

**Highlights:** One-tap block stacking, Changing backgrounds and stack colors, Points for perfect stacks, Sound and vibration feedback, Realistic physics system, Simple, precise controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Can Knockout free?

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

### Is Stack Block Blast free?

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

### Which has better reviews, Can Knockout or Stack Block Blast?

Stack Block Blast is rated higher. Can Knockout averages 4.8 out of 5 from 4 ratings, while Stack Block Blast averages 5.0 from 1 ratings.

### Do Can Knockout or Stack Block Blast have ads?

Can Knockout shows ads; Stack Block Blast does not.

### Which is updated more often, Can Knockout or Stack Block Blast?

Can Knockout ships an update every 48 months, and Stack Block Blast every 7 months. Most recently, Can Knockout was updated on September 14, 2026 and Stack Block Blast on June 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.*