# Stack Attack!! vs Block Blast

The clearest difference is review sentiment: Block Blast at 100% against Stack Attack!!'s 23%. Block Blast also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Stack Attack!! sells 19 one-off in-app purchases and Block Blast sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Stack Attack!! ships an update every 2 weeks, Block Blast every 3 days. The most recent releases landed on August 19, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Stack Attack!! | Block Blast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (403 ratings)](https://appshunter.io/ios/app/stack-attack/id6566190313/reviews)** | — |
| Number of ratings | **403** | — |
| Positive reviews | 23.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 247 MB | 234 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [5game studio joint stock company](https://appshunter.io/developer/1728637763) |

## What reviewers say

### Stack Attack!!

[App page](https://appshunter.io/ios/app/stack-attack/id6566190313)

Engage in intense battles against waves of enemies, strategically demolishing their formations with powerful weapons. Upgrade your capabilities by selecting the best skills to protect the cube world from a malevolent hex invasion.

**Highlights:** Defeat enemy waves, Demolish enemy stacks, Upgrade skills, Save the cube world, Space invader gameplay

**Features:** macOS Compatibility

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Pack Small | $0.99 | one-time |
| Gold Pack Small | $0.99 | one-time |
| Starter Pack | $2.99 | one-time |
| No Ads | $2.99 | one-time |
| Gem Pack Medium | $4.99 | one-time |
| 2X Speed! | $4.99 | one-time |
| Gold Pack Medium | $4.99 | one-time |
| Skip'its Medium Pack | $5.99 | one-time |
| Gem Pack Large | $9.99 | one-time |
| Gold Pack Large | $9.99 | one-time |
| Premium Pass | $14.99 | one-time |
| Gem Pack XL | $19.99 | one-time |
| Skip'its Large Pack | $19.99 | one-time |
| Gold Pack XL | $19.99 | one-time |
| Diamond Hero | $29.99 | one-time |
| Gem Pack XXL | $49.99 | one-time |
| Gold Pack XXL | $49.99 | one-time |
| Gem Pack XXXL | $99.99 | one-time |
| Gold Pack XXXL | $99.99 | one-time |

**What reviewers like**

- 👍 Simple and fun gameplay
- 🚀 No ads or microtransactions
- 💡 Nice armor upgrade system

**What reviewers complain about**

- 🐛 Glitches and bugs, especially after updates
- 🐛 Progress and upgrades getting reset or lost
- 🐛 Levels becoming unplayable after a certain point

**Reported bugs**

- Enemies' health scaling with player's attack power
- Levels freezing or getting stuck at checkpoints
- Weapon and upgrade levels getting downgraded randomly

**Requested features**

- Mute sound effects option
- Better communication from developers about updates
- More content and stages to progress through


### Block Blast

[App page](https://appshunter.io/ios/app/block-blast-tower-defense/id6670738790)

Build strategic maze-like defenses using puzzle pieces to guide zombies through deadly traps and powerful towers. Survive endless waves of undead in this action-packed tower defense game that combines classic TD mechanics with a unique puzzle twist.

**Highlights:** Puzzle-style defense building, Maze-like trap construction, Zombie wave survival, Tower upgrades and abilities, Challenging levels, Strategy and puzzle combination

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack 01 | $1.99 | one-time |
| Stamina Package 01 | $1.99 | one-time |
| Diamonds Package 01 | $1.99 | one-time |
| Remove Ads Package | $2.99 | one-time |
| Diamonds Package 02 | $5.99 | one-time |
| Diamonds Package 03 | $9.99 | one-time |
| Stamina Package 02 | $10.99 | one-time |
| Straterpack1 | $12.99 | one-time |
| Stamina Package 03 | $19.99 | one-time |


## Frequently asked questions

### Is Stack Attack!! free?

Stack Attack!! is free to download, with in-app purchases available.

### Is Block Blast free?

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

### Do Stack Attack!! or Block Blast have ads?

Stack Attack!! shows ads; Block Blast does not.

### Which is updated more often, Stack Attack!! or Block Blast?

Stack Attack!! ships an update every 2 weeks, and Block Blast every 3 days. Most recently, Stack Attack!! was updated on August 19, 2026 and Block Blast on June 6, 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.*