O/X vs Aubo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O/X
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This application enables to easily respond to the others by 'O' or 'X'. touch the screen after your display look at the others.
Aubo
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.
- 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
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• Add sounds from Files and the web • Play from widgets and controls • Customize colors, photos, and emoji • Adjust pitch, speed, and trim audio • Explore and add open source free sounds • Record new sounds • Play sounds • Adjust soundboard layouts and sizes • Share sounds as videos in Messages • Export soundboards to Files
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | O/X | Aubo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (27 ratings) — better |
| Positive reviews | — | 90.9% of reviews |
| Number of ratings | — | 27 — better |
| Update frequency | Every 66 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Vision Pro — better |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 9+ | 4+ |
| Developer | Kim Changyeol | Thomas Kane |
In-app purchases
O/X
No in-app purchases
Aubo
- Snbd Pro$3.99
