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★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Saudi Arabia, updated 31 Oct 2026
Top free
Not in this chart today
Top paid · All apps and games
#37 New
| Date | Paid |
|---|---|
| 31 Oct 2026 | #37 |
| 30 Oct 2026 | — |
| 29 Oct 2026 | #68 |
| 28 Oct 2026 | — |
| 27 Oct 2026 | — |
| 26 Oct 2026 | — |
| 24 Oct 2026 | #60 |
| 23 Oct 2026 | — |
| 17 Oct 2026 | #47 |
| 16 Oct 2026 | — |
| 14 Oct 2026 | — |
| 13 Oct 2026 | — |
| 12 Oct 2026 | #46 |
| 11 Oct 2026 | — |
| 10 Oct 2026 | #22 |
| 9 Oct 2026 | — |
| 8 Oct 2026 | — |
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- Feature filters can be now be saved (settings). Name field also supports wildcard searching for example '*town OR john*' will display 'Smalltown' and 'Johnstown'. - 'My locations' can now be saved (and edited) and restored from a file. - 'My locations' now also available as a feature overlay, so you can view them on the map. - Changing dates in the calendar widget doesn't open virtual keyboard anymore (except when you tap on hour/minute fields). - Other minor changes and bug fixes.
The map displays VIIRS/World Atlas/Clouds/Aurora/IAU observatories and the user SQM measurements. The primary use is to show VIIRS/DMSP data in a friendly manner, but over time it also included some other interesting overlays that concern light pollution like SQM/SQC, World Atlas 2015 zenith brightness, clouds, aurora and IAU observatories. If you have a permanent SQM reader installed you can add it to the map by sending me an e-mail. Please send comments and requests for new features via email (look under help) Functionalities: - VIIRS, Sky Brightness, World Atlas 2015, Cloud coverage and Aurora forecast layers - VIIRS and Sky Brightness layers can be displayed in color blind friendly colors - Road & Satellite base maps - Cloud animation for the last 12 hours - Get detail radiance and SQM values from layers at a click. For Sky brightness/World Atlas 2015, you also get Bortle class estimation. - SQM, SQM-L, SQC, SQM-LE, SQM readings submitted by users - International dark sky parks overlay - Submit your own SQM (L) readings - Observatories layer - Save your favorite locations - Distance measurement tool with azimuth angle report - All-sky view of light pollution with real horizon - Offline mode (Sky brightness map and a base map are saved to your device, so it will be displayed when you are offline)