DM BT vs KDMLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DM BT
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When the battery is working, connect the battery to the phone through the Bluetooth app to view the specific data of the battery, making it convenient for customers to know real-time battery information. 1. Automatically detect Bluetooth ID The app can automatically retrieve nearby Bluetooth IDs that meet the conditions and display them, which can be manually clicked to connect to Bluetooth. 2. This app can customize and modify the battery name. 3. This app can display real-time information and status of battery status.
KDMLink
Transform your phone into a live performance dashboard for your Hyundai N vehicle. This app connects to an N-Link Bluetooth device to stream real-time data directly from your car's CAN bus, displaying vital metrics like engine RPM, speed, temperatures, and tire pressure.
- Live telemetry dashboard
- Engine RPM, speed, boost monitoring
- Coolant, oil, intake air temperatures
- Tire pressure monitoring (TPMS)
- 12V battery health
- Fuel level and odometer
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KDM Link — Real-Time CAN Bus Telemetry for Hyundai N Vehicles Turn your phone into a live performance dashboard for your Hyundai N car. KDM Link connects to the N-Link Bluetooth device installed in your vehicle and streams real-time data straight from the CAN bus. Live Telemetry Dashboard - Engine RPM, vehicle speed, and turbo boost pressure - Coolant temperature, oil temperature, and intake air temperature - Accelerator position, brake pressure, and steering angle Tire & Battery Monitoring - Live TPMS readings for all four tires - 12V battery voltage, current, temperature, and state of charge Car Health Overview - Fuel level, odometer, and ambient temperature - All key vitals on one screen Requires Hardware KDM Link requires the N-Link Bluetooth device connected to your vehicle's OBD-II port. The app does not function without it. All data stays on your device. No accounts, no cloud, no tracking.
Screenshots
Verdict
The clearest difference is update cadence: KDMLink at fortnightly against DM BT's every 4 months. DM BT's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support 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.
DM BT ships an update every 4 months, KDMLink fortnightly. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.
| Parameter | DM BT | KDMLink |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 36 MB | 89 MB |
| Age rating | 17+ | 4+ |
| Developer | Batteries du Quebec Inc. | 531 Dev |
In-app purchases
DM BT
No in-app purchases
KDMLink
No in-app purchases
