GTViewer vs ELM FieldSight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GTViewer
This application allows users to download and view geospatial data on Apple devices without an internet connection. It functions similarly to a web-based counterpart but is designed for offline use.
- Offline geospatial data viewing
- Downloadable data
- Apple device compatibility
- Geospatial data visualization
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GTViewer downloads geospatial data for viewing on an Apple device like GTWeb, but in an offline fashion.
ELM FieldSight
Monitor your ELM FieldSight Microgrid Controller in real-time. Access data from your ELM Microgrid Battery Energy Storage System using your existing web portal credentials. This app requires an ELM Microgrid system to function.
- Real-time monitoring
- Microgrid Controller access
- Battery Energy Storage System data
- Web portal credential integration
- Mobile access to system data
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ELM FieldSight is a mobile application that provides real-time monitoring for the ELM FieldSight Microgrid Controller installed on ELM Microgrid Battery Energy Storage Systems. You must have an ELM Microgrid Battery Energy Storage System to have access to the app. To view the data from your Microgrid Controller, simply use the credentials sent to you from ELM Microgrid. The same credentials used to access our web portal through your browser work on the mobile application.
Screenshots
Verdict
The clearest difference is rating: ELM FieldSight at 5.0 against GTViewer's 3.8. GTViewer's advantage is update cadence (fortnightly vs monthly) and ratings volume (4 vs 1). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ELM FieldSight holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
GTViewer ships an update fortnightly, ELM FieldSight monthly. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.
| Parameter | GTViewer | ELM FieldSight |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Graphic Technologies, Inc. | ELM Fieldsight LLC |
Customer experience
GTViewer
ELM FieldSight
In-app purchases
GTViewer
No in-app purchases
ELM FieldSight
No in-app purchases
