EM HazLoc vs Affinity+ Field Utility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Device model identification
- Approval status display
- Approved hazardous locations
- Required case information
- Approved peripheral listing
- Device evaluation details
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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
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
EM HazLoc ships an update every 25 months, Affinity+ Field Utility every 6 weeks. Both last shipped on November 3, 2026.
| Parameter | EM HazLoc | Affinity+ Field Utility |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | 3.5 (2 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 25 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 17 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Exxon Mobil Corporation | R.S.T. Instruments Ltd |
Customer experience
EM HazLoc
Affinity+ Field Utility
In-app purchases
EM HazLoc
No in-app purchases
Affinity+ Field Utility
No in-app purchases
Questions
Is EM HazLoc free?
Is Affinity+ Field Utility free?
Which has better reviews, EM HazLoc or Affinity+ Field Utility?
Do EM HazLoc or Affinity+ Field Utility have ads?
Which is updated more often, EM HazLoc or Affinity+ Field Utility?
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