Comparison

HD Mobile (CanDo) vs First

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

Head to head
About

HD Mobile (CanDo)

Transform your iOS device into a powerful diagnostic tool for class 4-8 vehicles. Perform DPF resets and regens, and scan OBDII codes to avoid costly repairs and roadside assistance.

Highlights
  • DPF reset and regen
  • Class 4-8 code scanner
  • OBDII compatibility
  • Vehicle diagnostic tool
  • iOS device integration
Read full description

Say Never Again to getting stuck in limp mode – or worse – stranded on the side of the road, just because you need a DPF reset or regen! With the HD Mobile, you can rest assured that you will never have to pull over, in the middle of nowhere, for a supposed driveability issue while having to trust a repair facility with “what’s wrong” with your prized investment. Not only is the tow expensive, so could be the hidden repair charges! Introducing the HD Mobile! Transform your iOS Smart Device into a powerful class 4-8 code scanner. With DPF Reset/Regen capabilities! And it also works on OBDII.

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.

Screenshots

HD Mobile (CanDo)2 screens
First2 screens

Verdict

The call

The clearest difference is rating: HD Mobile (CanDo) at 3.3 against First's 2.3. HD Mobile (CanDo) also leads on review sentiment (33% vs 17%) and update cadence (every 2 months vs every 5 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

HD Mobile (CanDo) holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 35 and 16 respectively. Written reviews point the same way: 33% of HD Mobile (CanDo)'s written reviews are positive against 17% of First's.

UpkeepUpdate frequency

HD Mobile (CanDo) ships an update every 2 months, First every 5 months. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
HD Mobile (CanDo) versus First: the parameters behind the verdict, then further details
ParameterHD Mobile (CanDo)First
PriceFreeFree
Rating3.3 (35 ratings) — better2.3 (16 ratings)
Positive reviews33.3% of reviews — better16.7% of reviews
Number of ratings35 — better16
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.3 — better11.0
Further details — not scored
Size27 MB128 MB
Age rating4+4+
DeveloperCando International Inc.Snap-on Inc.

Customer experience

HD Mobile (CanDo)

All ratings35 ratings
Positive54.3%
Neutral8.6%
Negative37.1%
Written reviews15 reviews
Positive33.3%
Neutral6.7%
Negative60.0%

First

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

In-app purchases

None

HD Mobile (CanDo)

No in-app purchases

None

First

No in-app purchases

Questions

Is HD Mobile (CanDo) free?
HD Mobile (CanDo) is free to download, with no in-app purchases.
Is First free?
First is free to download, with no in-app purchases.
Which has better reviews, HD Mobile (CanDo) or First?
HD Mobile (CanDo) is rated higher. HD Mobile (CanDo) averages 3.3 out of 5 from 35 ratings, while First averages 2.3 from 16 ratings.
Do HD Mobile (CanDo) or First have ads?
Neither HD Mobile (CanDo) nor First shows ads.
Which is updated more often, HD Mobile (CanDo) or First?
HD Mobile (CanDo) ships an update every 2 months, and First every 5 months. Most recently, HD Mobile (CanDo) was updated on September 18, 2026 and First on September 25, 2026.

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