# Castle Link vs Blast Off

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.

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.

## The numbers

| Metric | Castle Link | Blast Off |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (32 ratings)](https://appshunter.io/ios/app/castle-link/id1215086336/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/blast-off-boosted-board-app/id6744127495/reviews)** |
| Number of ratings | **32** | 4 |
| Positive reviews | 18.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 27 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Castle Creations Inc](https://appshunter.io/developer/1377811229) | [Big Numbers, Inc.](https://appshunter.io/developer/1806217941) |

## What reviewers say

### Castle Link

[App page](https://appshunter.io/ios/app/castle-link/id1215086336)

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.

**Highlights:** Wireless programming via Bluetooth, Firmware updates, Save and load custom profiles, Sync settings across iOS devices, Offline functionality, Data log viewing

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to program ESC
- 👍 Data logging is fantastic
- 👍 Save profile feature is useful
- 👍 Convenient for quick setting changes

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App freezes often
- 🐛 Bluetooth connection issues
- 🐛 Bricks ESCs
- 🐛 Throttle curve not working

**Reported bugs**

- App crashes on passcode entry
- App freezes
- Bluetooth connection problems
- Bricking ESCs
- Throttle curve not working

**Requested features**

- Add data logging to iOS app
- Allow viewing data logs on phone
- Fix throttle curve interface
- Add Android application
- Make motor test selectable


### Blast Off

[App page](https://appshunter.io/ios/app/blast-off-boosted-board-app/id6744127495)

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.

**Highlights:** Instant board connection, Firmware version checker, Board renaming and customization, Offline mode for settings, Dark mode interface, Saved board configurations

**In-app purchases:** none


## Frequently asked questions

### Is Castle Link free?

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

### Is Blast Off free?

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

### Which has better reviews, Castle Link or Blast Off?

Blast Off is rated higher. Castle Link averages 1.8 out of 5 from 32 ratings, while Blast Off averages 4.8 from 4 ratings.

### Do Castle Link or Blast Off have ads?

Neither Castle Link nor Blast Off shows ads.

### Which is updated more often, Castle Link or Blast Off?

Castle Link ships an update monthly, and Blast Off every 3 weeks. Most recently, Castle Link was updated on October 24, 2026 and Blast Off on October 24, 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.*