StarKnives.io vs Stack Attack!!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
StarKnives.io
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.
- Collect weapons in space
- Destroy opponents
- Become galaxy avenger
- Space combat gameplay
- Test your strength
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Do you want to test your strength in outer space? Become the best avenger of the galaxy! Collect weapons scattered throughout space, and destroy opponents.
Stack Attack!!
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.
- Defeat enemy waves
- Demolish enemy stacks
- Upgrade skills
- Save the cube world
- Space invader gameplay
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Defeat waves of enemies! Use your weapons to demolish the enemies' stacks! Choose the best skills to upgrade your power! Save the cube world from the evil hexes!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | StarKnives.io | Stack Attack!! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (24 ratings) — better | 4.3 (403 ratings) |
| Positive reviews | — | 23.2% of reviews |
| Number of ratings | 24 | 403 — better |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 405 MB | 247 MB |
| Age rating | 12+ | 12+ |
| Developer | Feofun Limited | Voodoo |
Customer experience
StarKnives.io
Stack Attack!!
Bugs and requests
StarKnives.io
Not enough reviews yet to summarise bugs or requests.
Stack Attack!!
Reported bugs
3 issues- Enemies' health scaling with player's attack power
- Levels freezing or getting stuck at checkpoints
- Weapon and upgrade levels getting downgraded randomly
Requested features
3 requests- Mute sound effects option
- Better communication from developers about updates
- More content and stages to progress through
In-app purchases
StarKnives.io
- Small pack of gold$0.99
- Buy red monster$1.99
- Starter Pack$1.99
Show 6 moreShow fewer
- Medium pack of gold$1.99
- Large pack of gold$3.99
- Remove Ads$4.99
- Small pack of crystals$4.99
- Large pack of crystals$9.99
- Mega Pack$24.99
Stack Attack!!
- Gem Pack Small$0.99
- Gold Pack Small$0.99
- Starter Pack$2.99
Show 16 moreShow fewer
- No Ads$2.99
- Gem Pack Medium$4.99
- 2X Speed!$4.99
- Gold Pack Medium$4.99
- Skip'its Medium Pack$5.99
- Gem Pack Large$9.99
- Gold Pack Large$9.99
- Premium Pass$14.99
- Gem Pack XL$19.99
- Skip'its Large Pack$19.99
- Gold Pack XL$19.99
- Diamond Hero$29.99
- Gem Pack XXL$49.99
- Gold Pack XXL$49.99
- Gem Pack XXXL$99.99
- Gold Pack XXXL$99.99
Questions
Is StarKnives.io free?
Is Stack Attack!! free?
Which has better reviews, StarKnives.io or Stack Attack!!?
Do StarKnives.io or Stack Attack!! have ads?
Which is updated more often, StarKnives.io or Stack Attack!!?
Other comparisons
