# EchoForge vs SBTI人格测试

The clearest difference is in-app purchases: EchoForge at none against SBTI人格测试's 1. EchoForge also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SBTI人格测试 sells 1 one-off in-app purchase. EchoForge asks for nothing beyond the download.

## The numbers

| Metric | EchoForge | SBTI人格测试 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 29 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) | [三三 杨](https://appshunter.io/developer/1852457327) |

## 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


### SBTI人格测试

[App page](https://appshunter.io/ios/app/sbti/id6762048723)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁购买 | $0.99 | one-time |


## Frequently asked questions

### Is EchoForge free?

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

### Is SBTI人格测试 free?

SBTI人格测试 is free to download, with in-app purchases available.

### Do EchoForge or SBTI人格测试 have ads?

Neither EchoForge nor SBTI人格测试 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.*