GasSCAN vs TT Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GasSCAN
Scan barcodes or QR codes that comply with ASTM F2897 standards. The app records scan data along with GPS location, allowing for easy export of scan lists in CSV format for GIS integration.
- ASTM F2897 barcode scanning
- QR code scanning
- GPS data logging
- Scan history storage
- CSV export
- ArcGIS Online integration
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An application to allow the scanning of a barcode or QR code that meets ASTM F2897 standard. Application stores all scans and includes GPS data while scanning. Once a list of scans has been completed, a user can export the scans in csv format and email to someone else. The csv is structured in such a way that it can be uploaded directly into ArcGIS Online to produce barcodes in a GIS format.
TT Solar
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This bluetooth app is to control our junction boxes that work with all of our Flashing Signs, as well as our Flashing Beacons. Connect to the product through the app and control the Brightness, Timer operation, View the Battery Percentage, and more!
Screenshots
Verdict
The clearest difference is update cadence: TT Solar at weekly against GasSCAN's every 4 months. TT Solar also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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.
GasSCAN ships an update every 4 months, TT Solar weekly. Both last shipped on October 24, 2026.
| Parameter | GasSCAN | TT Solar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 517 MB | 7 MB |
| Age rating | 4+ | 9+ |
| Developer | Magnolia River | 攀 杨 |
In-app purchases
GasSCAN
No in-app purchases
TT Solar
No in-app purchases
