Comparison

First 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

First

Connect your mobile device to a commercial vehicle's diagnostic port to monitor its health status. Understand fault codes, view vehicle specifications, and track trip data to improve uptime and aid in service and repair.

Highlights
  • Connect to vehicle diagnostic port
  • Monitor vehicle health status
  • View active and inactive fault codes
  • Display vehicle specifications (VIN, ECU info)
  • Track trip data (fuel, miles, speed, hours)
  • Generate and share vehicle reports
Features
Read full description

NEXIQ First-Link™ is an application that provides important features to the drivers and service technicians of commercial vehicles and equipment. These features help the driver connect the mobile device to the diagnostic port; they also monitor the vehicle's health status and increase the vehicle's uptime. If a Check Engine Light is illuminated, the application assists the driver to understand the cause so that he can seek assistance (i.e., service and repair), if needed. Service technicians can utilize the information gathered by the application to aid in vehicle service and repair. Features include: • Faults – Active and Inactive fault codes present at the time of connection are displayed. • Vehicle Specs – Vehicle information including VIN, ECU software and hardware information is displayed. • Life / Trip – Displays trip-specific information related to fuel usage, miles, maximum speed, cruise control speed, hours of operation, etc. • Parameters – Displays parameters specific to the modules on the vehicle (e.g., engine, transmission, etc.) • Report – Generates a session-specific report containing vehicle information (i.e., faults, vehicle specs, parameters, and life/trip information); can be uploaded to the cloud, emailed, etc. • Sharing - Enables the driver to share vehicle information gathered to dispatch, service providers, etc. • OnCommand® Support - Optional feature to allow users to upload health reports to the OnCommand® servers. • Blue-Link Mini firmware update to v1.09, if the adapter has older firmware.

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

First2 screens
SmarTemp 3.04 screens

Verdict

The call

The clearest difference is rating: SmarTemp 3.0 at 3.3 against First's 2.3. SmarTemp 3.0 also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (9.0 vs 11.0). On price, review sentiment, ratings volume and ads 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

SmarTemp 3.0 holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 16 and 6 respectively. Written reviews point the same way: 17% of First's written reviews are positive against 18% of SmarTemp 3.0's.

UpkeepUpdate frequency

First ships an update every 5 months, SmarTemp 3.0 every 5 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
First versus SmarTemp 3.0: the parameters behind the verdict, then further details
ParameterFirstSmarTemp 3.0
PriceFreeFree
Rating2.3 (16 ratings)3.3 (6 ratings) — better
Positive reviews16.7% of reviews18.2% of reviews — better
Number of ratings16 — better6
Update frequencyEvery 5 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.09.0 — better
Further details — not scored
Size128 MB30 MB
Age rating4+4+
DeveloperSnap-on Inc.Globus Sistemas Eletronicos Ltda

Customer experience

First

All ratings16 ratings
Positive25.0%
Neutral12.5%
Negative62.5%
Written reviews12 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

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

First

No in-app purchases

None

SmarTemp 3.0

No in-app purchases

Questions

Is First free?
First 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, First or SmarTemp 3.0?
SmarTemp 3.0 is rated higher. First averages 2.3 out of 5 from 16 ratings, while SmarTemp 3.0 averages 3.3 from 6 ratings.
Do First or SmarTemp 3.0 have ads?
Neither First nor SmarTemp 3.0 shows ads.
Which is updated more often, First or SmarTemp 3.0?
First ships an update every 5 months, and SmarTemp 3.0 every 5 weeks. Most recently, First was updated on October 5, 2026 and SmarTemp 3.0 on October 7, 2026.

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