Knock Balls! vs Block Stack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Knock Balls!
Test your aim by throwing balls to demolish various structures. Enjoy hundreds of levels with diverse visuals and challenging gameplay. Simple one-tap controls make it easy to pick up and play.
- Throw balls to crush structures
- Hundreds of levels
- Diverse visual ambiances
- One-tap controls
- Addictive gameplay
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Throw balls and crush as many structures as you can! Hundreds of structures, levels and different visual ambiances to discover and to come! One-tap easy-to-learn controls with stunning visual effects and addictive gameplay mechanics.
Block Stack
Tap to launch balls and smash voxel towers in this addictive 3D physics arcade game. Collect gems to unlock new items and progress through fun, competitive levels with stunning visual effects.
- One-hand tap controls
- Addictive 3D physics
- Voxel tower smashing
- Gem collection for unlocks
- Relaxing and easy levels
- Stunning visual effects
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Blocks Tower Knock Balls is a new one hand tap game, finger tap addictive 3D physics arcade game with a bunch of relaxing and easy to complete levels. One single tap game and easy-to-learn taptic finger controls with combination of a nice visual effects and addictive gameplay mechanics. Aim cannon smart and shoot your voxel balls to get more score points and collect stunning virtual gems to spend it on new goods! Ultimate knockout game, voxel tower to collapse finish fun and easy levels, jump to next arcade location. Game Features: - Makes you feel like you are actually in the sports games. - Easily touch control, enjoy amazing achery gaming experience. - Stunning voxel/pixel visual effects and addictive gameplay mechanics. - Fun 3d physics. - Simple gameplay. - Lots of very exciting and competitive levels - Easy to learn and play.
Screenshots
Verdict
The clearest difference is update cadence: Block Stack at every 4 days against Knock Balls!'s every 3 months. Block Stack also leads on iOS requirement (11.0 vs 15.0). Knock Balls!'s advantage is ratings volume (211K vs 9). On price, rating, ads 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. Knock Balls! sells 1 one-off in-app purchase and Block Stack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Knock Balls! against 4.6 for Block Stack. That said, the two scores are not equally well evidenced: Knock Balls! has 211K ratings behind it against 9, so its average is the more settled of the two.
Knock Balls! ships an update every 3 months, Block Stack every 4 days. The most recent releases landed on October 23, 2026 and October 1, 2026 respectively.
| Parameter | Knock Balls! | Block Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (211K ratings) — better | 4.6 (9 ratings) |
| Positive reviews | 45.7% of reviews | — |
| Number of ratings | 211K — better | 9 |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | Yes | 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 | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 286 MB | 77 MB |
| Age rating | 9+ | 4+ |
| Developer | Voodoo | Oleksandr Lushpihan |
Customer experience
Knock Balls!
Block Stack
Bugs and requests
Knock Balls!
Reported bugs
2 issues- Game crashes or freezes after ads
- Inconsistent performance on some devices
Requested features
3 requests- More challenging and varied levels
- Ability to save/carry over unused balls
- Customizable cannons and upgrades
Block Stack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Knock Balls!
- No Ads$3.99
Block Stack
- No Ads$1.99









