Castle Link vs Blast Off
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)
Blast Off
This app connects to your electric skateboard to manage settings and view information. It allows for instant pairing, firmware checks, board customization, and offline access to saved configurations. Enjoy a personalized and reliable riding experience.
- Instant board connection
- Firmware version checker
- Board renaming and customization
- Offline mode for settings
- Dark mode interface
- Saved board configurations
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Blast Off – your complete Boosted Board companion app with offline capability! FEATURES: – Instant Connection: Quickly pair and connect with your Boosted Board to stay linked and ready to ride. – Firmware Checker: Check your board's firmware version instantly and stay up-to-date with the latest features. – Board Customization: Personalize your ride by renaming your board and making it uniquely yours. – Offline Mode: Access your boards and settings even without internet connection for uninterrupted riding. – Dark Mode: Enjoy a sleek, eye-friendly dark interface that's perfect for any lighting condition. – Saved Boards: Keep all your board configurations saved locally for quick access anytime. Whether you're commuting, exploring, or just having fun, Blast Off keeps you connected to your ride with style and reliability. Download now and elevate your Boosted Board experience!
Screenshots
Verdict
The clearest difference is review sentiment: Blast Off at 100% against Castle Link's 18%. Blast Off also leads on rating (4.8 vs 1.8). Castle Link's advantage is ratings volume (32 vs 4). 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.
Blast Off holds the better App Store score, 4.8 against 1.8. That said, the two scores are not equally well evidenced: Castle Link has 32 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 18% of Castle Link's written reviews are positive against 100% of Blast Off's.
Castle Link ships an update monthly, Blast Off every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | Castle Link | Blast Off |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (32 ratings) | 4.8 (4 ratings) — better |
| Positive reviews | 18.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 32 — better | 4 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 39 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Castle Creations Inc | Big Numbers, Inc. |
Customer experience
Castle Link
Blast Off
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
Blast Off
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Castle Link
No in-app purchases
Blast Off
No in-app purchases
