# Ball Sort Star vs Stack & Math

The clearest difference is in-app purchases: Ball Sort Star at none against Stack & Math's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stack & Math sells 1 one-off in-app purchase. Ball Sort Star asks for nothing beyond the download.

Ball Sort Star ships an update monthly, Stack & Math every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Ball Sort Star | Stack & Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/ball-sort-star/id6473683502/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 24 MB |
| Requires iOS | **15.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wildcrest Associates](https://appshunter.io/developer/295673986) | [Giuseppe Pignataro](https://appshunter.io/developer/363279853) |

## What reviewers say

### Ball Sort Star

[App page](https://appshunter.io/ios/app/ball-sort-star/id6473683502)

Engage in a challenging color-sorting puzzle game with adjustable difficulty and helpful tools. Enjoy a private, offline experience with various ball set options, including number and symbol modes for accessibility. This game offers a solvable puzzle experience with unlimited undo functionality.

**Highlights:** Adjustable difficulty, Multi-move single tap, Auto-move balls, Unlimited undo, Colorblind accessible ball sets, Offline play, Dark mode

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

**In-app purchases:** none


### Stack & Math

[App page](https://appshunter.io/ios/app/stack-and-math-number-puzzle/id6761229753)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Ball Sort Star free?

Ball Sort Star is free to download, with no in-app purchases.

### Is Stack & Math free?

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

### Do Ball Sort Star or Stack & Math have ads?

Both Ball Sort Star and Stack & Math show ads.

### Which is updated more often, Ball Sort Star or Stack & Math?

Ball Sort Star ships an update monthly, and Stack & Math every 3 weeks. Most recently, Ball Sort Star was updated on October 24, 2026 and Stack & Math on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*