BL vs CastleLink2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BL
This utility allows users to remotely adjust settings for specific ESC models via a smartphone. It enables real-time monitoring of various performance metrics during operation and detailed post-run data analysis through graphs. The app also facilitates firmware updates for compatible ESCs.
- Adjust ESC settings remotely
- Customize power curves
- Save ESC settings to smartphone
- Live performance monitoring
- Post-run data graphing
- Update ESC firmware
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説明 ヨコモＢＬシリーズＥＳＣ用ＷＩＦＩモジュール スマートフォンからＥＳＣのセッティング変更可能 走行後Ｌｏｇデータをダウンロードすることで ＥＳＣデータグラフを回覧することができます。 アプリの特徴 ＥＳＣのセッティング変更可能 パワーカーブを任意で調整 ＥＳＣセッティングをスマートフォンに保存 Ｌｉｖｅ画面にて走行中のモーター回転数、電流、バッテリー電圧、ＥＳＣ温度、送信機アクセル開度のチェック Ｌｏｇ画面にて走行後に回転数、電流、バッテリー電圧、ＥＳＣ温度、モーター温度、送信機アクセル開度をグラフにて表示 スマートフォンからＥＳＣアップデート可能 対応ＥＳＣ ヨコモＢＬ－ＰＲＯ４ ヨコモＢＬ－ＲＳ４ ヨコモＢＬ－ＳＰ４ ヨコモ RPX2 COMPETITION
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 rating: CastleLink2 at 5.0 against BL's 4.3. CastleLink2 also leads on update cadence (monthly vs every 2 months). BL's advantage is ratings volume (8 vs 2) and iOS requirement (9.0 vs 26.0). On price, ads, in-app purchases and monetization model 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.
CastleLink2 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 8 and 2 respectively.
BL ships an update every 2 months, CastleLink2 monthly. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.
| Parameter | BL | CastleLink2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 24 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | naoya kitagawa | Castle Creations Inc |
Customer experience
BL
CastleLink2
In-app purchases
BL
No in-app purchases
CastleLink2
No in-app purchases
