# BlastKnock vs Boom Stack Smash

The clearest difference is in-app purchases: BlastKnock at none against Boom Stack Smash's 10. BlastKnock also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Boom Stack Smash sells 10 one-off in-app purchases. BlastKnock asks for nothing beyond the download.

## The numbers

| Metric | BlastKnock | Boom Stack Smash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/boom-stack-smash-cannon-game/id6802006926/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 88 MB | 175 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [cignal.io](https://appshunter.io/developer/1896585435) | [Nestengineering](https://appshunter.io/developer/1826499232) |

## What reviewers say

### BlastKnock

[App page](https://appshunter.io/ios/app/blastknock/id6768558959)

**In-app purchases:** none


### Boom Stack Smash

[App page](https://appshunter.io/ios/app/boom-stack-smash-cannon-game/id6802006926)

Tap to fire a cannon and use real physics to demolish towers. Explore diverse locations, from carnivals to the Moon, with unique challenges. Enjoy short, satisfying levels with daily missions and unlockable cannons.

**Highlights:** Real physics destruction, One-handed portrait play, Special power-ups (Bomb, Power Shot, Triple Shot), Diverse themed islands, Short, satisfying levels, Daily missions and rewards, Unlockable cannons and balls

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Booster Box | $1.99 | one-time |
| Handful of Coins | $1.99 | one-time |
| Ad-Free Pass | $3.99 | one-time |
| Bag of Coins | $4.99 | one-time |
| Chest of Coins | $9.99 | one-time |
| Remove Ads | $12.99 | one-time |
| No Ads + Coins | $14.99 | one-time |
| Vault of Coins | $19.99 | one-time |
| Mountain of Coins | $49.99 | one-time |


## Frequently asked questions

### Is BlastKnock free?

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

### Is Boom Stack Smash free?

Boom Stack Smash is free to download, with in-app purchases available.

### Do BlastKnock or Boom Stack Smash have ads?

Boom Stack Smash shows ads; BlastKnock does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*