Comparison

EM HazLoc vs Affinity+ Field Utility

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

Head to head
About

EM HazLoc

This app helps identify iOS device models approved for use in specific hazardous classified areas for ExxonMobil's operational needs. It displays device model, approval status, approved hazardous locations, and required accessories for field use.

Highlights
  • Device model identification
  • Approval status display
  • Approved hazardous locations
  • Required case information
  • Approved peripheral listing
  • Device evaluation details
Features
Read full description

This is an ExxonMobil-specific application that is used for satisfying the ANSI/ISA device marking requirements for conformance tested iOS device models, and to easily identify those that are approved to be taken into specific hazardous classified areas for ExxonMobil's purposes. NOTE: The iPhone\iPad approval status displayed in this application is contingent on your local site confirming ability to use iOS devices in the field. Please confirm with your local site safety lead.\ The application will display the following details: 1. Device model 2. Approval status (approved, not approved, unknown device) 3. Approved Hazardous Locations 4. Required cases to be used with the device in the field 5. Any approved peripherals that can be used with the device 6. Device evaluation details

About

Affinity+ Field Utility

This application simplifies the setup of data communication networks for the geotechnical industry. It automates sensor configuration by scanning digital tags, saving significant installation time and effort in the field. The app provides a user-friendly interface for managing and monitoring instrumentation networks.

Highlights
  • Automated sensor configuration
  • Bluetooth data logger integration
  • Digital tag scanning for instruments
  • Site-based network management
  • Remote monitoring with alerts and alarms
  • Data visualization and reporting
Features
Read full description

The Affinity+ digital suite integrates sensor data logging, capture, communication, and near real-time analysis into an end-to-end solution for the geotechnical industry. The Affinity+ Field app is a plug-and-play configuration solution, taking the headache out of setting up a data communication network. The Affinity+ Field app automates the configuration process, saving technicians a significant amount of time and effort in the field. Once connected to the data logger via Bluetooth, the app can be used to add a sensor to a network simply by scanning a digital tag on the instrument. Automating this process saves an average of four hours of installation time per sensor. The mobile app makes setting up a network quick and easy; technicians will no longer need to spend hours in the field struggling to manually enter data in extreme weather conditions. The Affinity+ Field app compliments the rest of the digital suite—a browser-based dashboard, offering a powerful suite of data visualization and reporting utilities. The Affinity+ interface is simple and intuitive, putting actionable data at the user’s fingertips. Its site-based design is easy to navigate, offering a complete view of current asset health. Configurable reports are readily available, as is the ability to view and export specific instrument-based data. By navigating a site’s digital map, users can traverse an entire instrumentation network quickly and efficiently. Affinity+ provides a unique set of site management features. Alerts, alarms, and user management tools provide essential support for remote monitoring projects. The software can support multiple sites simultaneously, allowing users to monitor global operations at the touch of a button.

Screenshots

EM HazLoc2 screens
Affinity+ Field Utility4 screens

Verdict

The call

The clearest difference is rating: EM HazLoc at 4.0 against Affinity+ Field Utility's 3.5. EM HazLoc also leads on iOS requirement (16.0 vs 18.0). Affinity+ Field Utility's advantage is update cadence (every 6 weeks vs every 25 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

EM HazLoc holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

EM HazLoc ships an update every 25 months, Affinity+ Field Utility every 6 weeks. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
EM HazLoc versus Affinity+ Field Utility: the parameters behind the verdict, then further details
ParameterEM HazLocAffinity+ Field Utility
PriceFreeFree
Rating4.0 (2 ratings) — better3.5 (2 ratings)
Positive reviews0.0% of reviews—
Number of ratings22
Update frequencyEvery 25 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size17 MB84 MB
Age rating4+4+
DeveloperExxon Mobil CorporationR.S.T. Instruments Ltd

Customer experience

EM HazLoc

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

Affinity+ Field Utility

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

EM HazLoc

No in-app purchases

None

Affinity+ Field Utility

No in-app purchases

Questions

Is EM HazLoc free?
EM HazLoc is free to download, with no in-app purchases.
Is Affinity+ Field Utility free?
Affinity+ Field Utility is free to download, with no in-app purchases.
Which has better reviews, EM HazLoc or Affinity+ Field Utility?
EM HazLoc is rated higher. EM HazLoc averages 4.0 out of 5 from 2 ratings, while Affinity+ Field Utility averages 3.5 from 2 ratings.
Do EM HazLoc or Affinity+ Field Utility have ads?
Neither EM HazLoc nor Affinity+ Field Utility shows ads.
Which is updated more often, EM HazLoc or Affinity+ Field Utility?
EM HazLoc ships an update every 25 months, and Affinity+ Field Utility every 6 weeks. Most recently, EM HazLoc was updated on November 3, 2026 and Affinity+ Field Utility on November 3, 2026.

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