GTViewer vs DE Streetlights
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.
DE Streetlights
A customizable and field-proven platform for managing smart streetlight projects. It offers an out-of-the-box solution that can be tailored to specific project needs, workflows, and branding.
- Smart streetlight project management
- Field-proven solution
- Customizable platform
- Workflow integration
- Branding options
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THE FAST, FIELD-PROVEN SOLUTION FOR YOUR SMART STREETLIGHT PROJECTS DE Streetlights gives your smart streetlight projects the best of both worlds. DE Streetlights is an out-of-the-box, field-proven, award-winning smart streetlight management platform AND entirely customizable to your project, workflow, and branding requirements.
Screenshots
Verdict
The clearest difference is rating: GTViewer at 3.8 against DE Streetlights's 2.3. GTViewer also leads on update cadence (fortnightly vs every 4 months). DE Streetlights's advantage is iOS requirement (15.1 vs 17.0). 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.
GTViewer holds the better App Store score, 3.8 against 2.3. Both are backed by a comparable volume of ratings — 4 and 6 respectively.
GTViewer ships an update fortnightly, DE Streetlights every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | GTViewer | DE Streetlights |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | 2.3 (6 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 | 6 — better |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 25 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | Graphic Technologies, Inc. | TerraGo |
Customer experience
GTViewer
DE Streetlights
In-app purchases
GTViewer
No in-app purchases
DE Streetlights
No in-app purchases
Questions
Is GTViewer free?
Is DE Streetlights free?
Which has better reviews, GTViewer or DE Streetlights?
Do GTViewer or DE Streetlights have ads?
Which is updated more often, GTViewer or DE Streetlights?
Other comparisons
