Defi Meter C vs EFXLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Defi Meter C
Connects to the Defi Smart Adapter W via Bluetooth to display vehicle data from ADVANCE Control Unit or OBD on your iOS device. View various sensor readings like speed, RPM, and temperature in analog or digital formats.
- Bluetooth connectivity
- Displays vehicle sensor data
- Analog and digital meter views
- Customizable meter styles
- Supports various sensor readings
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本アプリはDefi Smart Adapter WとBluetoothで接続して使用するアプリです。 Defi Smart Adapter WはADVANCE Control UnitやOBDと接続して使用する製品で、 ADVANCE Control Unitに取り込んでいる車両情報またはOBDの車両情報をBluetoothでiOS端末に送信するアダプターです。 Defi Webサイトに記載の注意点および使用方法を必ずお読みになってからダウンロードしてください。 必ずDefiにて動作確認が取れた携帯端末をご使用ください。 動作確認が取れている携帯端末につきましてはDefi Webサイトに記載しております。 Defi ADVANCEコントロールユニットまたはOBDに入力されているセンサーデータがメーターとして表示されます。 表示可能な機種は、車速、エンジン回転数、吸気圧、油圧、燃圧、油温、水温、排気温度、電圧、スロットル開度、吸気温度、ギアポジションです。 アナログメーター表示やデジタルメーター表示機種をタッチすると、切り替えできます。 本アプリはADVANCE CR/BFのデザインとマッチしたスタイルです。 アプリが正常に動作しない場合や、ご不明点等がありましたら、下記Defi Webサイトの問い合わせフォームよりご連絡ください。 http://www.nippon-seiki.co.jp/defi/support/inquiry/
EFXLink
Control your Enfitnix bicycle taillights wirelessly via Bluetooth. Adjust brightness, alarm functions, and flashing modes. The app also allows for OTA updates and displays remaining battery power.
- Bluetooth taillight connection
- Alarm function on/off
- Brightness adjustment
- Brake sensing switch
- Automatic mode switch
- OTA firmware updates
- Battery power display
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● Search for your Enfitnix bicycle taillights through Bluetooth and connect them to wirelessly operate bicycle taillight related functions. ● Operation of the Home screen can turn on and off the alarm function for the tail lamp. ● The interface can adjust the brightness of the tail lights, brake sensing switch, automatic mode switch, alarm sound type, and flashing mode. ● The product can be upgraded to OTA in the air and factory settings can be restored. ● Can display the remaining power of the product. ● The original white theme is simple and beautiful.
Screenshots
Verdict
The clearest difference is rating: EFXLink at 5.0 against Defi Meter C's 3.3. Defi Meter C's advantage is ratings volume (4 vs 1) and iOS requirement (8.0 vs 15.0). 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.
EFXLink holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Defi Meter C ships an update every 5 weeks, EFXLink every 3 weeks. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.
| Parameter | Defi Meter C | EFXLink |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 6 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Defi | Dongguan Enfitnix Technology Co., Ltd. |
Customer experience
Defi Meter C
EFXLink
In-app purchases
Defi Meter C
No in-app purchases
EFXLink
No in-app purchases









