# Darkspot: Light Pollution Map — Bortle Scale & Dark Sky Finder

> Bortle Scale & Dark Sky Finder (iPhone/iPad app by Nadi Mertan.)

- Source: https://appshunter.io/ios/app/darkspot-light-pollution-map/id6818284446 (this page in markdown: same URL + `.md`)
- Developer: [Nadi Mertan](https://appshunter.io/developer/6779723442)
- Category: Weather, Navigation
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 3 MB
- Languages: American English
- Released: 2026-10-26
- Data updated: 2026-10-29

## What is Darkspot?

How dark is the sky where you are, and is tonight worth going out?

Darkspot answers both. It reads your sky from 2025 NASA satellite data and shows it on the Bortle scale, from 1 (pristine) to 9 (inner city), with what you'll actually see: the Milky Way with detail, only overhead, or not at all.

Tonight, with reasons
Every night gets a plain score (Great, Good, Fair, Poor or Not tonight) and the reasons behind it: when the moon sets, whether the clouds clear, when the Milky Way core is up. Darkness, moon and twilight are worked out on your phone; cloud cover comes from Apple Weather. The week view picks the best night for you.

A light pollution map with its legend
The whole contiguous US, coloured by Bortle class, with the scale always on screen. Tap anywhere to see how dark it is and tonight's window there. The darkness data lives on your phone, so the Bortle lookup works with no signal.

Find darker skies
From any place, Darkspot finds the nearest parks and campgrounds under a darker sky, with drive times from Apple Maps and tonight's score at each. One tap hands off to Maps.

Save spots and get great-night alerts
Save your backyard and your favourite dark sites to compare them at a glance. Turn on the bell and Darkspot tells you when a great night is coming in the next 72 hours. It's worked out on your phone: no account, no server.

Red mode for your night vision
One tap turns every screen deep red, with no white or blue light, so your eyes stay dark-adapted at the telescope.

Honest about accuracy
Checked against 286 National Park Service sky measurements the model was never tuned on: half were within 0.21 mag/arcsec² of what Darkspot predicts, typically within about one Bortle class. Nearby lights such as a porch light or a parking lot aren't in the model.

Free, private, no account
Your own location, the forecast, saved spots and alerts are all free. No ads, no tracking, no sign-up. Your location goes only to Apple Weather and Apple Maps, never to us.

Darkness data covers the contiguous United States. Tonight's moon, darkness window and clouds work anywhere.

## Is Darkspot safe?

Not enough ratings yet to assess Darkspot.

## Is Darkspot legit?

Darkspot: Light Pollution Map has limited verification signals. The AppsHunter Legitimacy Score for Darkspot is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-27

No release notes.

## More apps by Nadi Mertan

- [Sunhaven: UV & Sunburn Timer](https://appshunter.io/ios/app/sunhaven-uv-and-sunburn-timer/id6792350740)
- [Sunroom: Home Sun Tracker](https://appshunter.io/ios/app/sunroom-home-sun-tracker/id6797245602)

All apps by Nadi Mertan: https://appshunter.io/developer/6779723442

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-29.*