# Laser Smart Link vs RDWelder

Laser Smart Link and RDWelder are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Laser Smart Link ships an update every 3 weeks, RDWelder every 5 weeks. The most recent releases landed on September 23, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Laser Smart Link | RDWelder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 36 MB | 132 MB |
| Requires iOS | 13.0 | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [嘉铭 吴](https://appshunter.io/developer/1657298190) | [深圳市睿达科技有限公司](https://appshunter.io/developer/1188607581) |

## What reviewers say

### Laser Smart Link

[App page](https://appshunter.io/ios/app/laser-smart-link/id1660840892)

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

**In-app purchases:** none


### RDWelder

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Laser Smart Link free?

Laser Smart Link is free to download, with no in-app purchases.

### Is RDWelder free?

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

### Do Laser Smart Link or RDWelder have ads?

Neither Laser Smart Link nor RDWelder shows ads.

### Which is updated more often, Laser Smart Link or RDWelder?

Laser Smart Link ships an update every 3 weeks, and RDWelder every 5 weeks. Most recently, Laser Smart Link was updated on September 23, 2026 and RDWelder on September 12, 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.*