Trinity MX Link vs CastleLink2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trinity MX Link
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Elevate your R/C racing with the Trinity ESC App, compatible with both Trinity MX8 Pro and MX10 Pro ESCs. These powerful controllers are built for serious racers, offering exceptional current capacity and protection features. Adjust settings to your track, and update firmware with ease within the app. Download now on the Apple APP Store for a streamlined racing experience.
CastleLink2
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.
- Connect to Castle Creations ESCs/BECs
- Adjust settings
- Update firmware
- View data logs
- Supports B-Link adapters
- Wide ESC/BEC compatibility
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Allows you to connect to most Castle Creations ESCs and BECs using the B-Link Bluetooth adapter. Adjust settings, update firmware, and view data logs (on supported products). Compatible with all Cobra, Talon, Copperhead, and X-series ESCs. It will also work with most Mamba and Sidewinder ESCs; as well as the CC BEC Pro and both CC BEC 2.0s. Supports the original B-Link and B-Link 2 hardware versions. Visit www.castlecreations.com/b-link for more information.
Screenshots
Verdict
The clearest difference is iOS requirement: Trinity MX Link at 12.4 against CastleLink2's 26.0. 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.
Trinity MX Link ships an update every 2 months, CastleLink2 monthly. The most recent releases landed on September 14, 2026 and October 11, 2026 respectively.
| Parameter | Trinity MX Link | CastleLink2 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 5 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | 鹏 杜 | Castle Creations Inc |
In-app purchases
Trinity MX Link
No in-app purchases
CastleLink2
No in-app purchases
Questions
Is Trinity MX Link free?
Is CastleLink2 free?
Do Trinity MX Link or CastleLink2 have ads?
Which is updated more often, Trinity MX Link or CastleLink2?
Other comparisons
