# StarKnives.io vs Stack Attack!!

The clearest difference is ads: StarKnives.io at none against Stack Attack!!'s shown. StarKnives.io also leads on iOS requirement (11.0 vs 14.0). Stack Attack!!'s advantage is ratings volume (403 vs 24). On price, rating, update cadence and in-app purchases there is nothing between them.

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

StarKnives.io holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Stack Attack!! has 403 ratings behind it against 24, so its average is the more settled of the two.

StarKnives.io ships an update fortnightly, Stack Attack!! every 2 weeks. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | StarKnives.io | Stack Attack!! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/starknivesio-knives-battle/id1462629351/reviews)** | [4.3 (403 ratings)](https://appshunter.io/ios/app/stack-attack/id6566190313/reviews) |
| Number of ratings | 24 | **403** |
| Positive reviews | — | 23.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 405 MB | 247 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Feofun Limited](https://appshunter.io/developer/1462036641) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### StarKnives.io

[App page](https://appshunter.io/ios/app/starknivesio-knives-battle/id1462629351)

Engage in thrilling space combat by collecting powerful weapons and eliminating opponents. Test your might and become the ultimate galaxy avenger in this action-packed game.

**Highlights:** Collect weapons in space, Destroy opponents, Become galaxy avenger, Space combat gameplay, Test your strength

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small pack of gold | $0.99 | one-time |
| Buy red monster | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Medium pack of gold | $1.99 | one-time |
| Large pack of gold | $3.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Small pack of crystals | $4.99 | one-time |
| Large pack of crystals | $9.99 | one-time |
| Mega Pack | $24.99 | one-time |


### 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


## Frequently asked questions

### Is StarKnives.io free?

StarKnives.io is free to download, with in-app purchases available.

### Is Stack Attack!! free?

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

### Which has better reviews, StarKnives.io or Stack Attack!!?

StarKnives.io is rated higher. StarKnives.io averages 4.5 out of 5 from 24 ratings, while Stack Attack!! averages 4.3 from 403 ratings.

### Do StarKnives.io or Stack Attack!! have ads?

Stack Attack!! shows ads; StarKnives.io does not.

### Which is updated more often, StarKnives.io or Stack Attack!!?

StarKnives.io ships an update fortnightly, and Stack Attack!! every 2 weeks. Most recently, StarKnives.io was updated on October 3, 2026 and Stack Attack!! on October 2, 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.*