# Number Blocks 16 vs Aurora Stack Ball Sort Puzzle

The clearest difference is price: Aurora Stack Ball Sort Puzzle at Free against Number Blocks 16's $0.49. Aurora Stack Ball Sort Puzzle also leads on update cadence (weekly vs every 7 months). Number Blocks 16's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ads there is nothing between them.

Aurora Stack Ball Sort Puzzle is free to download; Number Blocks 16 costs $0.49 up front. Aurora Stack Ball Sort Puzzle sells 1 one-off in-app purchase. Number Blocks 16 asks for nothing beyond the download.

Number Blocks 16 ships an update every 7 months, Aurora Stack Ball Sort Puzzle weekly. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Number Blocks 16 | Aurora Stack Ball Sort Puzzle |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aurora-stack-ball-sort-puzzle/id6756080317/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 3 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Murat Saygin](https://appshunter.io/developer/1835723040) | [Heorhii Kozlovskyi](https://appshunter.io/developer/1703726477) |

## What reviewers say

### Number Blocks 16

[App page](https://appshunter.io/ios/app/number-blocks-16/id6754715658)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aurora Stack Ball Sort Puzzle

[App page](https://appshunter.io/ios/app/aurora-stack-ball-sort-puzzle/id6756080317)

Engage your mind with a calming color sorting logic game featuring beautiful aurora-themed visuals. Solve over 2000 unique puzzles with no timers or pressure, designed for relaxation and strategic thinking. Start with 50 free levels and unlock the full experience with a one-time purchase.

**Highlights:** 2000 unique levels, Calming aurora-themed design, No timers or pressure, Strategic ball sorting gameplay, Helpful perks like Undo and Add Space, Accessibility-focused color differentiation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Levels | $1.99 | one-time |


## Frequently asked questions

### Is Number Blocks 16 free?

Number Blocks 16 costs $0.49, with no in-app purchases.

### Is Aurora Stack Ball Sort Puzzle free?

Aurora Stack Ball Sort Puzzle is free to download, with in-app purchases available.

### Do Number Blocks 16 or Aurora Stack Ball Sort Puzzle have ads?

Neither Number Blocks 16 nor Aurora Stack Ball Sort Puzzle shows ads.

### Which is updated more often, Number Blocks 16 or Aurora Stack Ball Sort Puzzle?

Number Blocks 16 ships an update every 7 months, and Aurora Stack Ball Sort Puzzle weekly. Most recently, Number Blocks 16 was updated on October 23, 2026 and Aurora Stack Ball Sort Puzzle on October 14, 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.*