Comparison

DTNA eLink vs SmarTemp 3.0

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Vehicle health monitoring
  • Diagnostic fault code explanation
  • Maintenance schedule and fluid capacities
  • Access to driver and operator manuals
  • Service locator
  • Trip information tracking
Features
Read full description

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

About

SmarTemp 3.0

Control your parking heater remotely. Schedule heating or ventilation, monitor interior temperature, and check battery charge. Access additional service information online.

Highlights
  • Remote heater operation
  • Time-based heating schedules
  • Individual heating programming
  • Heating and ventilation modes
  • Interior temperature display
  • Battery charge monitoring
Read full description

Webasto SmarTemp 3.0 offers the following functions ("Services"): a) Operation of the parking heater, (switching the heater on and off; heating depending on the time of departure; programming heating processes individually; choosing between heating and ventilation). b) Monitoring function (e.g., display of temperature for the interior for air heaters; ascertaining battery charge). c) Information on other Services can be viewed on the Website.

Screenshots

DTNA eLink4 screens
SmarTemp 3.04 screens

Verdict

The call

The clearest difference is rating: DTNA eLink at 4.3 against SmarTemp 3.0's 3.3. SmarTemp 3.0's advantage is review sentiment (18% vs 0%) and update cadence (every 5 weeks vs every 3 months). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

DTNA eLink holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews complicate that: 0% of DTNA eLink's written reviews are positive against 18% of SmarTemp 3.0's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

DTNA eLink ships an update every 3 months, SmarTemp 3.0 every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
DTNA eLink versus SmarTemp 3.0: the parameters behind the verdict, then further details
ParameterDTNA eLinkSmarTemp 3.0
PriceFreeFree
Rating4.3 (4 ratings) — better3.3 (6 ratings)
Positive reviews0.0% of reviews18.2% of reviews — better
Number of ratings46 — better
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.09.0 — better
Further details — not scored
Size109 MB30 MB
Age rating4+4+
DeveloperDaimler Truck North America LLCGlobus Sistemas Eletronicos Ltda

Customer experience

DTNA eLink

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SmarTemp 3.0

All ratings6 ratings
Positive50.0%
Neutral16.7%
Negative33.3%
Written reviews11 reviews
Positive18.2%
Neutral0.0%
Negative81.8%

In-app purchases

None

DTNA eLink

No in-app purchases

None

SmarTemp 3.0

No in-app purchases

Questions

Is DTNA eLink free?
DTNA eLink is free to download, with no in-app purchases.
Is SmarTemp 3.0 free?
SmarTemp 3.0 is free to download, with no in-app purchases.
Which has better reviews, DTNA eLink or SmarTemp 3.0?
DTNA eLink is rated higher. DTNA eLink averages 4.3 out of 5 from 4 ratings, while SmarTemp 3.0 averages 3.3 from 6 ratings.
Do DTNA eLink or SmarTemp 3.0 have ads?
Neither DTNA eLink nor SmarTemp 3.0 shows ads.
Which is updated more often, DTNA eLink or SmarTemp 3.0?
DTNA eLink ships an update every 3 months, and SmarTemp 3.0 every 5 weeks. Most recently, DTNA eLink was updated on November 2, 2026 and SmarTemp 3.0 on November 3, 2026.

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