GTViewer vs EWN Mobile
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.
EWN Mobile
Manage compliance and workforce development on the go. Perform performance evaluations offline in the field and automatically sync them later. Access digital eCARDS for real-time verification of qualifications and certifications.
- Offline performance evaluations
- Auto-synchronization of data
- Digital eCARD access
- Integrated QR scanner
- Real-time verification of qualifications
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EWN Mobile brings Compliance Management and Workforce Development to your mobile device. Take the E3 system to the field on your phone or tablet with features such as: MOBILE EVALUATOR TOOL Allows performance evaluations to be performed online and for the first time in the industry – OFFLINE. Download performance evaluations to complete later, offline in the field (without connectivity). AUTO SYNCHRONIZATION Upon completion of Performance Evaluations, EWN Mobile will automatically synchronize all completed offline evaluations to the E3 system as soon as a connection is available. DIGITAL eCARD Access all successfully completed qualifications and certifications for real-time verification. INTEGRATED QR SCANNER Scan eCARDs while in the office or in the field with the EWN Mobile integrated QR scanner (or any industry accepted QR scanner) to view/access all successfully completed qualifications. Your system should be as mobile as you are, which is why EWN is committed to being the “First in the Field” to bring you the best in safety, technology, and efficiency. Visit us: http://www.energyworldnet.com Like us on Facebook: http://www.facebook.com/energyworldnetinc Follow us on Twitter: https://twitter.com/ENERGYworldnet Link up with us on LinkedIn: https://www.linkedin.com/company/energy-worldnet-inc.
Screenshots
Verdict
The clearest difference is rating: EWN Mobile at 4.6 against GTViewer's 3.8. EWN Mobile also leads on review sentiment (67% vs 50%) and ratings volume (12 vs 4). GTViewer's advantage is update cadence (fortnightly vs every 6 weeks). 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.
EWN Mobile holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews point the same way: 50% of GTViewer's written reviews are positive against 67% of EWN Mobile's.
GTViewer ships an update fortnightly, EWN Mobile every 6 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | GTViewer | EWN Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) | 4.6 (12 ratings) — better |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 4 | 12 — better |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 25 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Graphic Technologies, Inc. | ENERGY worldnet, Inc. |
Customer experience
GTViewer
EWN Mobile
In-app purchases
GTViewer
No in-app purchases
EWN Mobile
No in-app purchases









