# R1WURKS vs CastleLink2

The clearest difference is rating: CastleLink2 at 5.0 against R1WURKS's 4.1. CastleLink2 also leads on update cadence (monthly vs every 2 months). R1WURKS's advantage is ratings volume (15 vs 2) and iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CastleLink2 holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: R1WURKS has 15 ratings behind it against 2, so its average is the more settled of the two.

R1WURKS ships an update every 2 months, CastleLink2 monthly. The most recent releases landed on July 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | R1WURKS | CastleLink2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (15 ratings)](https://appshunter.io/ios/app/r1wurks/id1449942877/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/castlelink2/id6743709203/reviews)** |
| Number of ratings | **15** | 2 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 34 MB | 35 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steve Villanueva](https://appshunter.io/developer/1449942876) | [Castle Creations Inc](https://appshunter.io/developer/1377811229) |

## What reviewers say

### R1WURKS

[App page](https://appshunter.io/ios/app/r1wurks/id1449942877)

This utility app connects to your ESC and smart devices, allowing wireless programming and real-time racing data monitoring. It stores up to 50 minutes of driving information for easy review and analysis.

**Highlights:** Wireless ESC programming, Real-time racing data, Driving data storage, Smart device connectivity, iPhone and iPad support

**Features:** macOS Compatibility

**In-app purchases:** none


### CastleLink2

[App page](https://appshunter.io/ios/app/castlelink2/id6743709203)

Connect to Castle Creations ESCs and BECs via Bluetooth to adjust settings, update firmware, and view data logs. Compatible with a wide range of ESCs and BECs, supporting both B-Link hardware versions.

**Highlights:** Connect to Castle Creations ESCs/BECs, Adjust settings, Update firmware, View data logs, Supports B-Link adapters, Wide ESC/BEC compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is R1WURKS free?

R1WURKS is free to download, with no in-app purchases.

### Is CastleLink2 free?

CastleLink2 is free to download, with no in-app purchases.

### Which has better reviews, R1WURKS or CastleLink2?

CastleLink2 is rated higher. R1WURKS averages 4.1 out of 5 from 15 ratings, while CastleLink2 averages 5.0 from 2 ratings.

### Do R1WURKS or CastleLink2 have ads?

Neither R1WURKS nor CastleLink2 shows ads.

### Which is updated more often, R1WURKS or CastleLink2?

R1WURKS ships an update every 2 months, and CastleLink2 monthly. Most recently, R1WURKS was updated on July 23, 2026 and CastleLink2 on September 8, 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.*