Stack vs Balls Factory!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stack
Test your reflexes in this addictive block-stacking game. Aim for the highest tower possible with simple, beautiful graphics. Compete globally for the top score.
- Block stacking gameplay
- High score competition
- Beautiful graphics
- Global leaderboards
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Stack up the blocks as high as you can! ◉ Simple & Beautiful graphics designed ◉ Compete for the best score in the world
Balls Factory!
Guide a bouncing ball through a perilous maze filled with spikes and obstacles. Test your reflexes and strategic thinking to navigate each level and reach the destination safely. Enjoy endless fun with progressively challenging stages.
- Maze navigation
- Obstacle avoidance
- Spike dodging
- Strategic thinking
- Progressive difficulty
- Quick reflexes
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Balls Factory is a fun and simple game where your mission is to guide a ball through a maze filled with dangerous spikes and obstacles. Use your quick reflexes and strategic thinking to save the ball from peril and ensure it reaches its destination safely. With easy to learn controls and progressively challenging levels, Balls Factory offers endless fun and excitement. Can you master the factory and keep the ball rolling to success?
Screenshots
Verdict
The clearest difference is rating: Balls Factory! at 4.7 against Stack's 4.4. Balls Factory! also leads on review sentiment (72% vs 53%). Stack's advantage is chart position (#116 vs unranked) and ratings volume (59K vs 16K). On price, update cadence, 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. Stack sells 15 one-off in-app purchases and Balls Factory! sells 20 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Balls Factory! holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 59K and 16K respectively. Written reviews point the same way: 53% of Stack's written reviews are positive against 72% of Balls Factory!'s.
Stack ships an update every 10 days, Balls Factory! fortnightly. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.
| Parameter | Stack | Balls Factory! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (59K ratings) | 4.7 (16K ratings) — better |
| Positive reviews | 52.9% of reviews | 71.5% of reviews — better |
| Number of ratings | 59K — better | 16K |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #116 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 13.5 |
| Further details — not scored | ||
| Size | 282 MB | 369 MB |
| Age rating | 12+ | 9+ |
| Developer | Ketchapp | tastypill |
Customer experience
Stack
Balls Factory!
User reviews
Stack
From 59K App Store ratingsWhat we love
- 🚀 Fun and addictive
- 🎨 Aesthetically pleasing graphics
- 🧘♀️ Relaxing and calming
- 💪 Challenging gameplay
Room to improve
- 🔍 Too many ads
- 🐛 Frequent glitches and lags
- 🔄 Repetitive gameplay
Balls Factory!
From 16K App Store ratingsWhat we love
- 🚀 Challenging and addictive gameplay
- 👍 Minimal ads
- 💡 Customizable ball
- 🕹️ Relaxing and satisfying experience
Room to improve
- 🐛 Levels repeating/lack of new content
- 📢 Frequent ads
- 🔄 Restarts progress after some time
- 💤 Levels can be too difficult
Bugs and requests
Stack
Reported bugs
3 issues- Blocks disappearing or glitching
- Game freezing or crashing
- Inconsistent performance on newer devices
Requested features
4 requests- Ability to choose color schemes
- More variety in block designs
- Improved high score tracking
- Reduced ad frequency
Balls Factory!
Reported bugs
3 issues- Game crashing/not opening
- Levels not loading properly
- Progress being reset unexpectedly
Requested features
4 requests- More levels and new content
- Ability to change ball color
- Checkpoint system for difficult levels
- Reduced ad frequency
In-app purchases
Stack
- Gem Pack Small$0.99
- 10 Extra Lives$0.99
- 200 Gems$0.99
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- 500 Gems$1.99
- Gem Pack Medium$2.99
- 30 Extra Lives$2.99
- 1000 Gems$2.99
- Remove Ads$3.99
- Extra Offline Earnings$4.99
- Gem Pack Grand$4.99
- 50 Extra Lives$4.99
- VIP Pass3 variants$9.99
- Season Pass2 variants$9.99
- Gem Pack Mega$9.99
- Gem Pack Ultra$19.99
Balls Factory!
- Offer Ladder Gold Pack$0.99
- Shield Booster Pack$0.99
- Premium Skin 1$1.99
Show 17 moreShow fewer
- Premium Skin 2$1.99
- Premium Skin 3$1.99
- Starter Pack$1.99
- Micro Gold Pack$1.99
- Hard Level Offer$4.99
- Remove Ads$6.99
- Medium Skip Ticket Pack$7.99
- Small Gold Pack$7.99
- VIP AD Free Card Pack$9.99
- Remove Ads Bundle 01$9.99
- Remove Ads Bundle 02$9.99
- Remove Ads Bundle$9.99
- Medium Gold Pack$14.99
- Huge Skip Ticket Pack$29.99
- Large Gold Pack$29.99
- Huge Gold Pack$54.99
- Ginormous Gold Pack$99.99
