# Castle Link

> Utilities

Canonical page: [https://chrome-stats.com/d/id1215086336](https://chrome-stats.com/d/id1215086336)

## Overview

- **ID:** `id1215086336`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Castle Creations Inc
- **Category:** Utilities
- **Rating:** 1.80 / 5 (32 ratings)
- **Version:** 3.0.3
- **Last updated:** 2024-09-18
- **First published:** 2018-05-01
- **Size:** 39 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/castle-link/id1215086336)
- **Privacy policy:** [http://home.castlecreations.com/castle-link-app-privacy-policy](http://home.castlecreations.com/castle-link-app-privacy-policy)

## Description

The Castle Link™ app enables users to wirelessly program settings and update firmware on any current Castle Creations ESC, many older models and the BEC 2.0/BEC Pro using the waterproof Castle B•LINK Bluetooth® adapter. You can quickly alter parameters and fine-tune adjustments anytime, anywhere.

-	Save profiles to allow for quick changes between settings 
-	Sync information between multiple iOS devices
-	No data/internet connection required
-	The Castle Link app can be used with multiple B•LINK adapters or can store vehicle information and allow users to use one adapter on multiple vehicles
-	Each B•LINK is protected with a 4-digit passcode to prevent tampering with your settings
-      Download and View Data Logs from compatible controllers

Requirements:
-	Castle B•LINK Bluetooth adapter (011-0135-00)

## Rankings

- #300,949 — Overall

## Review summary

User reviews show Castle Link iOS as convenient for Bluetooth tuning and profile management, with data logging when accessible. However, reliability is a major problem: crashes, freezes, and dropouts; some updates brick ESCs. Throttle curve tuning on iPhone is not functional, and data logs aren’t readable on mobile, often requiring a PC. Compatibility issues with certain ESC models (e.g., Copperhead 10) worsen the frustration. Overall, the app offers on-the-go tuning benefits but is hampered by stability, feature gaps, and hardware compatibility concerns.

### Pros

- Bluetooth-based quick tuning without a PC.
- Data logging feature with downloadable logs when available.
- Profile save and quick switching for different vehicle setups.
- Portable, convenient tuning on the go via Bluetooth.

### Cons

- Frequent stability issues: crashes, freezes, and lockups.
- Updates via Castle B-Link can brick ESCs (and Copperhead 10 may not be recognized).
- Throttle curve tuning on iPhone is nonfunctional or unreliable.
- Data logs are not readable on mobile; need a PC to access logs.
- Compatibility issues with certain ESC models and general recognition problems.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1215086336)