# EchoForge vs 变声器

The clearest difference is iOS requirement: EchoForge at 15.0 against 变声器's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | EchoForge | 变声器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 29 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) | [琳 李](https://appshunter.io/developer/1503970894) |

## What reviewers say

### EchoForge

[App page](https://appshunter.io/ios/app/echoforge-voice-changer/id6761810177)

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

**In-app purchases:** none


### 变声器

[App page](https://appshunter.io/ios/app/id6797557420)

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

**In-app purchases:** none


## Frequently asked questions

### Is EchoForge free?

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

### Is 变声器 free?

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

### Do EchoForge or 变声器 have ads?

Neither EchoForge nor 变声器 shows ads.

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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.*