# Cool Sound FX vs Voice Shadow

The clearest difference is update cadence: Cool Sound FX at every 5 days against Voice Shadow's every 2 weeks. Voice Shadow's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cool Sound FX sells 2 one-off in-app purchases and Voice Shadow sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Cool Sound FX ships an update every 5 days, Voice Shadow every 2 weeks. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Cool Sound FX | Voice Shadow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 57 MB | 98 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Superior Solutions Management Pty Ltd](https://appshunter.io/developer/568731977) | [召 陈](https://appshunter.io/developer/1856941752) |

## What reviewers say

### Cool Sound FX

[App page](https://appshunter.io/ios/app/cool-sound-fx/id578840880)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Recording Unlock | $5.99 | one-time |


### Voice Shadow

[App page](https://appshunter.io/ios/app/voice-shadow-vocal-visualizer/id6756025762)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $3.99 | per month |
| PRO Yearly | $29.99 | per year |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Cool Sound FX free?

Cool Sound FX is free to download, with in-app purchases available.

### Is Voice Shadow free?

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

### Do Cool Sound FX or Voice Shadow have ads?

Neither Cool Sound FX nor Voice Shadow shows ads.

### Which is updated more often, Cool Sound FX or Voice Shadow?

Cool Sound FX ships an update every 5 days, and Voice Shadow every 2 weeks. Most recently, Cool Sound FX was updated on October 5, 2026 and Voice Shadow on October 2, 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.*