Comparison

PowerAssist™ vs Dynamics 365 Field Service

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

Head to head
About

PowerAssist™

Access detailed serial-specific engine information for John Deere equipment. Retrieve engine and aftertreatment details, software versions, manufacturing dates, and emissions certificates by entering the serial number.

Highlights
  • Serial number lookup
  • Engine and aftertreatment info
  • Software version details
  • Manufacturing date
  • Emissions certificates
  • Manuals and catalogs
Features
Read full description

John Deere PowerAssist™ provides serial specific information for your John Deere engine. Enter the serial number to find; engine and after treatment information, engine model, date of manufacture, current/available software, ECU level, manuals, catalogs, option codes, emissions certificates.

About

Dynamics 365 Field Service

Empower field service workers with a mobile app designed for their needs. Access and interact with critical data even without internet connectivity, thanks to robust offline capabilities. Data sync keeps the back office updated on work performed.

Highlights
  • Robust offline capabilities
  • Periodic data sync
  • Customizable on Power Apps platform
  • Access and interact with data
  • Designed for field service workers
Read full description

Our next generation Field Service app powered by Dynamics 365. Go to http://aka.ms/FSMFeatures for more information about the app and our Field Service solutions. The Field Service mobile app is specifically crafted to the field service worker’s needs with features such as robust offline capabilities to continue accessing and interacting with the data that they need when visiting remote destinations without internet connectivity. Periodic data sync keeps the back-office informed of work being performed, so that the proper actions can be taken or kick-started as appropriate. Built on the Microsoft Power Apps platform, the mobile application is entirely customizable to define what types of data field service workers can access and much more. By installing this app, you agree to the terms at https://go.microsoft.com/fwlink/?linkid=2238123

Screenshots

PowerAssist™4 screens
Dynamics 365 Field Service4 screens

Verdict

The call

The clearest difference is rating: PowerAssist™ at 3.1 against Dynamics 365 Field Service's 1.7. PowerAssist™ also leads on review sentiment (33% vs 5%) and iOS requirement (13.0 vs 16.0). Dynamics 365 Field Service's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (224 vs 16). On price, ads, in-app purchases and monetization model 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

PowerAssist™ holds the better App Store score, 3.1 against 1.7. That said, the two scores are not equally well evidenced: Dynamics 365 Field Service has 224 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 33% of PowerAssist™'s written reviews are positive against 5% of Dynamics 365 Field Service's.

UpkeepUpdate frequency

PowerAssist™ ships an update every 5 months, Dynamics 365 Field Service every 3 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
PowerAssist™ versus Dynamics 365 Field Service: the parameters behind the verdict, then further details
ParameterPowerAssist™Dynamics 365 Field Service
PriceFreeFree
Rating3.1 (16 ratings) — better1.7 (224 ratings)
Positive reviews33.3% of reviews — better5.0% of reviews
Number of ratings16224 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size12 MB148 MB
Age rating4+4+
DeveloperJohn DeereMicrosoft Corporation

Customer experience

PowerAssist™

All ratings16 ratings
Positive50.0%
Neutral6.3%
Negative43.8%
Written reviews15 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Dynamics 365 Field Service

All ratings224 ratings
Positive17.4%
Neutral2.7%
Negative79.9%
Written reviews121 reviews
Positive5.0%
Neutral1.7%
Negative93.4%

Bugs and requests

PowerAssist™

Not enough reviews yet to summarise bugs or requests.

Dynamics 365 Field Service

Reported bugs

4 issues
  • Constant login issues and never-ending login loops
  • Randomly crashes or resets to home screen
  • Syncing and saving errors, lost progress
  • Incompatible with certain devices/OSes

Requested features

4 requests
  • Offline mode with full functionality
  • Streamlined, intuitive UI designed for field work
  • Batch/bulk upload and update capabilities
  • Improved performance and stability

In-app purchases

None

PowerAssist™

No in-app purchases

None

Dynamics 365 Field Service

No in-app purchases

Questions

Is PowerAssist™ free?
PowerAssist™ is free to download, with no in-app purchases.
Is Dynamics 365 Field Service free?
Dynamics 365 Field Service is free to download, with no in-app purchases.
Which has better reviews, PowerAssist™ or Dynamics 365 Field Service?
PowerAssist™ is rated higher. PowerAssist™ averages 3.1 out of 5 from 16 ratings, while Dynamics 365 Field Service averages 1.7 from 224 ratings.
Do PowerAssist™ or Dynamics 365 Field Service have ads?
Neither PowerAssist™ nor Dynamics 365 Field Service shows ads.
Which is updated more often, PowerAssist™ or Dynamics 365 Field Service?
PowerAssist™ ships an update every 5 months, and Dynamics 365 Field Service every 3 weeks. Most recently, PowerAssist™ was updated on September 20, 2026 and Dynamics 365 Field Service on September 22, 2026.

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