# Sapphire vs RDWelder

The clearest difference is device support: RDWelder at 3 against Sapphire's —. On price, in-app purchases and iOS requirement 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 | Sapphire | RDWelder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 weeks |
| Size | 87 MB | 133 MB |
| Requires iOS | 13.0 | 13 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Changsha BSL Info.Tech.Co.,LTD](https://appshunter.io/developer/1651580652) | [深圳市睿达科技有限公司](https://appshunter.io/developer/1188607581) |

## What reviewers say

### Sapphire

[App page](https://appshunter.io/ios/app/sapphire/id6593671858)

**In-app purchases:** none


### RDWelder

[App page](https://appshunter.io/ios/app/rdwelder/id6738367984)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sapphire free?

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

### Is RDWelder free?

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

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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.*