# Aura International vs Sonic Math

The clearest difference is in-app purchases: Aura International at none against Sonic Math's 1. Aura International also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Aura International ships an update every 2 months, Sonic Math every 5 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Aura International | Sonic Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 116 MB | 37 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alok .](https://appshunter.io/developer/1462951236) | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) |

## What reviewers say

### Aura International

[App page](https://appshunter.io/ios/app/aura-international/id6759564977)

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

**In-app purchases:** none


### Sonic Math

[App page](https://appshunter.io/ios/app/sonic-math-mental-math-drill/id6765611618)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Aura International free?

Aura International is free to download, with no in-app purchases.

### Is Sonic Math free?

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

### Do Aura International or Sonic Math have ads?

Sonic Math shows ads; Aura International does not.

### Which is updated more often, Aura International or Sonic Math?

Aura International ships an update every 2 months, and Sonic Math every 5 weeks. Most recently, Aura International was updated on October 10, 2026 and Sonic Math on October 25, 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.*