Castle Link vs Mineral Bin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Castle Link
Wirelessly program and update settings for compatible electronic speed controllers and BEC devices. Save and sync profiles across devices, and access data logs without an internet connection.
- Wireless programming via Bluetooth
- Firmware updates
- Save and load custom profiles
- Sync settings across iOS devices
- Offline functionality
- Data log viewing
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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)
Mineral Bin
Control and monitor a mineral bin device through your phone. Read logs and manage the bin's functions remotely.
- Mineral bin device control
- Log reading functionality
- Remote device management
- User-friendly interface
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This app allows users to read logs and control the mineral bin device.
Screenshots
Verdict
The clearest difference is rating: Mineral Bin at 5.0 against Castle Link's 1.8. Castle Link's advantage is ratings volume (32 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mineral Bin holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Castle Link has 32 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Castle Link | Mineral Bin |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (32 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 18.2% of reviews | — |
| Number of ratings | 32 — better | 1 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 39 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Castle Creations Inc | Colorado State University |
Bugs and requests
Castle Link
Reported bugs
16 issues- App crashes on passcode entry
- App freezes
- Bluetooth connection problems
- Bricking ESCs
- Throttle curve not working
Show 11 moreShow fewer
- Demo mode not functional
- Torque settings not saving
- Motor test not selectable
- Data logging issues
- Latest update causing problems
- Incompatibility with newer products
- Loading screen stuck
- Locking out ESC and beeping
- ESC not recognized by app
- Lost connection to ESC
- Firmware update failure
Requested features
9 requests- Add data logging to iOS app
- Allow viewing data logs on phone
- Fix throttle curve interface
- Add Android application
- Make motor test selectable
Show 4 moreShow fewer
- Fix data logging history clearing
- Allow firmware updates via app
- Support for newer ESCs (e.g., Copperhead)
- Allow app to work with cables
Mineral Bin
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Castle Link
No in-app purchases
Mineral Bin
No in-app purchases
