UV vs Atmos.Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UV
Get UV index forecasts for your location or any destination worldwide. See how cloud cover impacts UV levels and receive personalized sun protection advice based on your skin type. Set daily updates or alerts for high UV index readings.
- Global UV index forecasts
- Cloud cover impact on UV
- Skin type identification
- Personalized sun protection advice
- Customizable alerts
- Daily updates
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The UV-INDEKS app can be used everywhere in the world to provide you with a UV index forecast for your current position or for selected destinations that you add to your profile. You can also see how the expected cloud cover will affect the UV index. You can set the app to either daily updates or alerts when the UV index is 3 or more. The app also contains an interactive guide to help you identify your skin type and get specific advice about sun protection. The free UV-INDEKS app is a collaboration between The Danish Cancer Society, TrygFonden, The Danish Health Authority and The Danish Environmental Protection Agency.
Atmos.Guide
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Atmos tells you what you're actually breathing — and what to do about it. Real air quality, from real stations Live AQI and pollutant readings from monitoring stations near you: PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide. Every number is labelled with the station it came from, so you always know where the reading is measured. Measured the way your country measures it An AQI of 150 doesn't mean the same thing everywhere. Atmos follows your national standard — India (CPCB), China (HJ 633), Thailand (PCD), and the US EPA scale elsewhere — so the number matches what your own agency reports. Wildfire and smoke See active fires on a live map, drawn from NASA satellite detections, and get an alert when smoke is likely to reach your air. A plain-language guide explains what fire and smoke mean for what you're breathing, and tapping an alert opens the map at the fire. Pollen by species Grass, birch, alder, ragweed, mugwort and olive — tracked separately, with a 5-day outlook, because a high birch day and a high ragweed day are not the same problem. Species coverage is currently strongest across Europe. Weather worth trusting Forecasts from MET Norway, the Norwegian Meteorological Institute, with a 5-day outlook, hourly detail inside any day, and sunrise, sunset and remaining daylight at a glance. Ask Atmos Ask a question in plain language — "can I run this evening?", "is it safe to open the windows?" — and get an answer grounded in the readings for your location right now. Every city you care about Follow the places that matter: home, work, family abroad. Each one keeps its own local time, its own national AQI scale, and its own forecast. Morning briefing An optional daily notification with the air, pollen and weather you'll meet today — and alerts when conditions change enough to matter. Privacy No tracking, no advertising, no selling your data. Location is used to fetch readings near you, and nothing else. Data sources: World Air Quality Index, MET Norway (Yr), Open-Meteo, Copernicus CAMS, and NASA FIRMS.
Screenshots
Verdict
The clearest difference is update cadence: Atmos.Guide at every 2 weeks against UV's every 4 months. UV's advantage is iOS requirement (15.1 vs 18.0). 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.
UV ships an update every 4 months, Atmos.Guide every 2 weeks. The most recent releases landed on September 21, 2026 and October 11, 2026 respectively.
| Parameter | UV | Atmos.Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 42 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Kræftens Bekæmpelse | Helm Sens AS |
In-app purchases
UV
No in-app purchases
Atmos.Guide
No in-app purchases









