# Stack&Math vs Aura

The clearest difference is in-app purchases: Stack&Math at none against Aura's 1. Stack&Math also leads on device support (3 vs 1). Aura's advantage is ads (none vs shown) and update cadence (daily vs every 4 days). On price and iOS requirement there is nothing between them.

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

Stack&Math ships an update every 4 days, Aura daily. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Stack&Math | Aura |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Daily** |
| Size | 32 MB | 43 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Giuseppe Pignataro](https://appshunter.io/developer/363279853) | [Niclas Lindahl](https://appshunter.io/developer/1892401195) |

## What reviewers say

### Stack&Math

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

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

**In-app purchases:** none


### Aura

[App page](https://appshunter.io/ios/app/aura-find-the-pattern/id6762004055)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Aura | $2.99 | one-time |


## Frequently asked questions

### Is Stack&Math free?

Stack&Math is free to download, with no in-app purchases.

### Is Aura free?

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

### Do Stack&Math or Aura have ads?

Stack&Math shows ads; Aura does not.

### Which is updated more often, Stack&Math or Aura?

Stack&Math ships an update every 4 days, and Aura daily. Most recently, Stack&Math was updated on September 22, 2026 and Aura on September 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.*