# 赛威勒电梯 vs SoloEcho

The clearest difference is in-app purchases: 赛威勒电梯 at none against SoloEcho's 1. 赛威勒电梯 also leads on iOS requirement (12.0 vs 18.6). SoloEcho's advantage is device support. On price there is nothing between them.

Both are free to download. SoloEcho sells 1 one-off in-app purchase. 赛威勒电梯 asks for nothing beyond the download.

## The numbers

| Metric | 赛威勒电梯 | SoloEcho |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 weeks |
| Size | 78 MB | 5 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [苏州和阳电气有限公司](https://appshunter.io/developer/1725073598) | [恒俭 董](https://appshunter.io/developer/947356968) |

## What reviewers say

### 赛威勒电梯

[App page](https://appshunter.io/ios/app/id6497876443)

**In-app purchases:** none


### SoloEcho

[App page](https://appshunter.io/ios/app/soloecho/id6760158629)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is 赛威勒电梯 free?

赛威勒电梯 is free to download, with no in-app purchases.

### Is SoloEcho free?

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

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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.*