LiveAtmo vs DayLength
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LiveAtmo
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A clean, simple way to view your Netatmo weather data. LiveAtmo gives you a clear and uncluttered display for your Netatmo Weather Station, with large, easy-to-read numbers and a modern interface. Instantly see data from your indoor module, outdoor module, and wind module—without unnecessary distractions. If you have multiple Netatmo stations, switching between them is quick and effortless. To give you better context, LiveAtmo also shows local online weather from YR.no, the official Norwegian weather service, including a 7-day forecast, so you can easily compare your own measurements with the local forecast. Features: - Large, readable values with a minimal design - Indoor, outdoor, and wind data from Netatmo - Support for multiple Netatmo weather stations - Local weather and 7-day forecast from YR.no - Light and dark mode - Celsius or Fahrenheit temperature units Rain module support is not yet available, but is planned for a future update. The app comes in the languages English and Norwegian. NOTE: You need an Netatmo account and a Netatmo weather station to use this app. For managing your Netatmo account visit https://myconnectedaccount.netatmo.com/
DayLength
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Will it still be light when you finish work? Can you fit a run outside before sunset in December? DayLength answers these questions precisely, for any day of the year, anywhere on Earth. Enter any geographic coordinates or search for a city. DayLength calculates sunrise, sunset, and total daylight duration for every day of the year using the NOAA solar calculation algorithm — the same method used in scientific and navigational systems. All computation happens on your device, instantly, with no network required. HOW IT WORKS Open the app and enter your location — type coordinates manually or search by city name. Tap Explore Daylight. An interactive annual chart appears, showing how day enght changes across every day of the year. Drag your finger across the chart to explore any date: the exact sunrise, sunset, and total daylight hours update in real time. The app automatically detects polar phenomena — midnight sun and polar night — for high-latitude locations such as Reykjavik, Tromsø, or Anchorage. KEY FEATURES • Annual daylight chart with drag-to-explore interaction • Precise sunrise and sunset times for any date • Total daylight duration in hours and minutes • Polar night and midnight sun detection for extreme latitudes • City search powered by Apple Maps • Manual coordinate input with quick presets • Fully offline — all calculations run on-device, no internet required • Day/Night progress bar PRIVACY FIRST No account. No sign-up. No tracking. No ads. No subscriptions. Your coordinates are stored only on your device. City search uses Apple's MapKit framework. DayLength makes no network requests of its own.
Screenshots
Verdict
The clearest difference is device support: LiveAtmo at 3 against DayLength's 1. On price, ads, in-app purchases and iOS requirement 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.
| Parameter | LiveAtmo | DayLength |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.8 — better | 16.0 |
| Further details — not scored | ||
| Size | 74 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Tommy Ovesen | PIERO BOZZOLO |
In-app purchases
LiveAtmo
No in-app purchases
DayLength
No in-app purchases









