# Stack vs Balls Factory!

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 (#115 vs unranked) and ratings volume (59K vs 16K). On price, update cadence, ads and in-app purchases there is nothing between them.

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. Both last shipped on September 26, 2026.

## The numbers

| Metric | Stack | Balls Factory! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (59K ratings)](https://appshunter.io/ios/app/stack/id1080487957/reviews) | **[4.7 (16K ratings)](https://appshunter.io/ios/app/balls-factory/id6503159875/reviews)** |
| Number of ratings | **59K** | 16K |
| Positive reviews | 52.9% of reviews | **71.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#115** | — |
| Size | 282 MB | 369 MB |
| Requires iOS | **13.0** | 13.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Ketchapp](https://appshunter.io/developer/528065807) | [tastypill](https://appshunter.io/developer/1022434729) |

## What reviewers say

### Stack

[App page](https://appshunter.io/ios/app/stack/id1080487957)

**Currently charting:** #115 Top Free · Action (US App Store)

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.

**Highlights:** Block stacking gameplay, High score competition, Beautiful graphics, Global leaderboards

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Pack Small | $0.99 | one-time |
| 10 Extra Lives | $0.99 | one-time |
| 200 Gems | $0.99 | one-time |
| 500 Gems | $1.99 | one-time |
| Gem Pack Medium | $2.99 | one-time |
| 30 Extra Lives | $2.99 | one-time |
| 1000 Gems | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Extra Offline Earnings | $4.99 | one-time |
| Gem Pack Grand | $4.99 | one-time |
| 50 Extra Lives | $4.99 | one-time |
| VIP Pass | $9.99 | one-time |
| Season Pass | $9.99 | one-time |
| Gem Pack Mega | $9.99 | one-time |
| Gem Pack Ultra | $19.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive
- 🎨 Aesthetically pleasing graphics
- 🧘‍♀️ Relaxing and calming
- 💪 Challenging gameplay

**What reviewers complain about**

- 🔍 Too many ads
- 🐛 Frequent glitches and lags
- 🔄 Repetitive gameplay

**Reported bugs**

- Blocks disappearing or glitching
- Game freezing or crashing
- Inconsistent performance on newer devices

**Requested features**

- Ability to choose color schemes
- More variety in block designs
- Improved high score tracking
- Reduced ad frequency


### Balls Factory!

[App page](https://appshunter.io/ios/app/balls-factory/id6503159875)

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.

**Highlights:** Maze navigation, Obstacle avoidance, Spike dodging, Strategic thinking, Progressive difficulty, Quick reflexes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offer Ladder Gold Pack | $0.99 | one-time |
| Shield Booster Pack | $0.99 | one-time |
| Premium Skin 1 | $1.99 | one-time |
| Premium Skin 2 | $1.99 | one-time |
| Premium Skin 3 | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Micro Gold Pack | $1.99 | one-time |
| Hard Level Offer | $4.99 | one-time |
| Remove Ads | $6.99 | one-time |
| Medium Skip Ticket Pack | $7.99 | one-time |
| Small Gold Pack | $7.99 | one-time |
| VIP AD Free Card Pack | $9.99 | one-time |
| Remove Ads Bundle 01 | $9.99 | one-time |
| Remove Ads Bundle 02 | $9.99 | one-time |
| Remove Ads Bundle | $9.99 | one-time |
| Medium Gold Pack | $14.99 | one-time |
| Huge Skip Ticket Pack | $29.99 | one-time |
| Large Gold Pack | $29.99 | one-time |
| Huge Gold Pack | $54.99 | one-time |
| Ginormous Gold Pack | $99.99 | one-time |

**What reviewers like**

- 🚀 Challenging and addictive gameplay
- 👍 Minimal ads
- 💡 Customizable ball
- 🕹️ Relaxing and satisfying experience

**What reviewers complain about**

- 🐛 Levels repeating/lack of new content
- 📢 Frequent ads
- 🔄 Restarts progress after some time
- 💤 Levels can be too difficult

**Reported bugs**

- Game crashing/not opening
- Levels not loading properly
- Progress being reset unexpectedly

**Requested features**

- More levels and new content
- Ability to change ball color
- Checkpoint system for difficult levels
- Reduced ad frequency


## Frequently asked questions

### Is Stack free?

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

### Is Balls Factory! free?

Balls Factory! is free to download, with in-app purchases available.

### Which has better reviews, Stack or Balls Factory!?

Balls Factory! is rated higher. Stack averages 4.4 out of 5 from 59K ratings, while Balls Factory! averages 4.7 from 16K ratings.

### Do Stack or Balls Factory! have ads?

Both Stack and Balls Factory! show ads.

### Which is updated more often, Stack or Balls Factory!?

Stack ships an update every 10 days, and Balls Factory! fortnightly. Most recently, Stack was updated on September 26, 2026 and Balls Factory! on September 26, 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.*