# O/X vs Aubo

The clearest difference is in-app purchases: O/X at none against Aubo's 1. Aubo's advantage is update cadence (every 3 weeks vs every 66 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Aubo sells 1 one-off in-app purchase. O/X asks for nothing beyond the download.

O/X ships an update every 66 months, Aubo every 3 weeks. The most recent releases landed on September 28, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | O/X | Aubo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (27 ratings)](https://appshunter.io/ios/app/aubo/id6446608944/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 66 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 13 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Vision Pro** |
| Age rating | 9+ | 4+ |
| Developer | [Kim Changyeol](https://appshunter.io/developer/1022944929) | [Thomas Kane](https://appshunter.io/developer/1519615235) |

## What reviewers say

### O/X

[App page](https://appshunter.io/ios/app/ox/id1042498842)

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

**In-app purchases:** none


### Aubo

[App page](https://appshunter.io/ios/app/aubo/id6446608944)

Create and customize soundboards with sounds from various sources, including web and recordings. Play sounds via widgets, edit audio properties, and share creations as videos. Organize and resize sound elements for a personalized experience.

**Highlights:** Add sounds from Files and web, Play from widgets and controls, Customize colors, photos, and emoji, Adjust pitch, speed, and trim audio, Record new sounds, Share sounds as videos

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snbd Pro | $3.99 | one-time |


## Frequently asked questions

### Is O/X free?

O/X is free to download, with no in-app purchases.

### Is Aubo free?

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

### Do O/X or Aubo have ads?

Neither O/X nor Aubo shows ads.

### Which is updated more often, O/X or Aubo?

O/X ships an update every 66 months, and Aubo every 3 weeks. Most recently, O/X was updated on September 28, 2026 and Aubo on August 30, 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.*