# Sonarc (Sonic Arc) vs Auralith Hi

The clearest difference is in-app purchases: Sonarc (Sonic Arc) at none against Auralith Hi's 1. Sonarc (Sonic Arc) also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Auralith Hi sells 1 one-off in-app purchase. Sonarc (Sonic Arc) asks for nothing beyond the download.

Sonarc (Sonic Arc) ships an update every 4 days, Auralith Hi every 3 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Sonarc (Sonic Arc) | Auralith Hi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 35 MB | 13 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JinYoung Choi](https://appshunter.io/developer/1882963703) | [Bluefin Tuna LLC](https://appshunter.io/developer/1875935539) |

## What reviewers say

### Sonarc (Sonic Arc)

[App page](https://appshunter.io/ios/app/sonarc-sonic-arc/id6799880517)

**Features:** macOS Compatibility

**In-app purchases:** none


### Auralith Hi

[App page](https://appshunter.io/ios/app/auralith-hi-res/id6812219005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auralith Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Sonarc (Sonic Arc) free?

Sonarc (Sonic Arc) is free to download, with no in-app purchases.

### Is Auralith Hi free?

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

### Do Sonarc (Sonic Arc) or Auralith Hi have ads?

Neither Sonarc (Sonic Arc) nor Auralith Hi shows ads.

### Which is updated more often, Sonarc (Sonic Arc) or Auralith Hi?

Sonarc (Sonic Arc) ships an update every 4 days, and Auralith Hi every 3 weeks. Most recently, Sonarc (Sonic Arc) was updated on October 24, 2026 and Auralith Hi on October 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.*