DTNA eLink vs TR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DTNA eLink
This app connects to heavy trucks to monitor vehicle health, diagnose issues like check engine lights, and access important operational information. It provides access to manuals, maintenance schedules, and service locations to help drivers increase truck uptime.
- Vehicle health monitoring
- Diagnostic fault code explanation
- Maintenance schedule and fluid capacities
- Access to driver and operator manuals
- Service locator
- Trip information tracking
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DTNA eLink is an app that provides important features to the driver/operator of a Freightliner or Western Star heavy truck. These features help the driver connect the phone to the diagnostic port and monitor the vehicle health status and increase the truck uptime. And if a check engine light is on, the app can help the driver understand the cause and seek assistance, if needed. Features include: • Vehicle Guides • Dash light library – explanation of all the dash/instrument cluster lights • Fluid (engine oil) capacities for specific Detroit® engine applications • Maintenance schedule – provides the mileage interval based on short/long haul application and details of items covered in each schedule • Feature guides – quick access to new vehicle features that require specific instructions to understand and properly operate • Notes – provides a way to take quick notes and attach pictures • Manuals – Driver and Operator manuals for specific vehicles can be accessed in electronic format • Connect to Vehicle (requires compatible Bluetooth or Wi-Fi adaptor) • Fault codes – Active and Inactive fault codes present at the time of connection are displayed. Red fault codes are active, yellow codes are inactive • Fluid levels – A quick glance at coolant, DEF and fuel levels displayed in percentage • Vehicle information – Vehicle information including VIN, ECU software and hardware in formation • Trip information – Includes trip specific information related to fuel usage, miles, maximum speed, cruise control speed, hours of operation, etc. • Service Locator – Use the current location or City, State / ZIP code to look up Freightliner, Western Star and Detroit® engine service/dealer locations nearby. Compatible vehicle connection adaptor: • NEXIQ Blue-Link™ Mini • Nexiq USB- Link 2 WiFi These adaptors are available and can be purchased from diagnosticlink.nexiq.com
TR
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This is a Bluetooth low energy (BLE) application for GlobalSat TR-520 configuration. By synchronizing with your TR-520, you can check the FW/APP versions and current settings. Also, you can adjust device settings to fulfill different user scenarios. With this application and TR-520, we believe you will have a better experience. Functions: Basic Information FW version / APP version Cellular settings Device settings Security setting Firmware upgrade Support iOS 11 or above.
Screenshots
Verdict
The clearest difference is update cadence: TR at every 5 days against DTNA eLink's every 3 months. 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.
DTNA eLink ships an update every 3 months, TR every 5 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | DTNA eLink | TR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 | 11.0 |
| Further details — not scored | ||
| Size | 109 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Daimler Truck North America LLC | Globalsat Technology Corporation. |
In-app purchases
DTNA eLink
No in-app purchases
TR
No in-app purchases









