# X vs SoundViz

The clearest difference is price: SoundViz at Free against X's $3.99. SoundViz also leads on update cadence (every 3 weeks vs every 4 months). X's advantage is ads (none vs shown) and iOS requirement (9.0 vs 17.0). On in-app purchases and device support there is nothing between them.

SoundViz is free to download; X costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

X ships an update every 4 months, SoundViz every 3 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | X | SoundViz |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 13 MB | 8 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [国强 张](https://appshunter.io/developer/1151273698) | [MIZOU, CO., LTD.](https://appshunter.io/developer/1542553141) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-bot/id1448001310)

**Features:** macOS Compatibility

**In-app purchases:** none


### SoundViz

[App page](https://appshunter.io/ios/app/soundviz-sound-visualizer/id6761097310)

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

**In-app purchases:** none


## Frequently asked questions

### Is X free?

X costs $3.99, with no in-app purchases.

### Is SoundViz free?

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

### Do X or SoundViz have ads?

SoundViz shows ads; X does not.

### Which is updated more often, X or SoundViz?

X ships an update every 4 months, and SoundViz every 3 weeks. Most recently, X was updated on November 2, 2026 and SoundViz on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*