Wetter vs Sun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wetter
This application visualizes weather data through detailed meteograms, showing past conditions and future forecasts for any location worldwide. It offers extensive historical and predictive data, including temperature, precipitation, and wind, sourced from multiple forecast models.
- Beautiful meteogram visualizations
- Data from ECMWF and DWD ICON models
- Global location data
- 14-day forecast and history
- Temperature, rain, cloud cover, and more
- Location selection via database, map, or current GPS
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Wetter is an app which draws beautiful meteograms. A meteogram is a time plot that uses data for a specific location on the ground. It can display past weather conditions up to the current time forecast and predict weather out into the future. - data from 6 weather forecast models (ECMWF, ICON, GFS, UKMO, JMA, and GEM), 3 of them can displayed together - data for every place on the world - Wetter is free of charge, no subscription, no in app purchases - 14 day forecast data - 14 day history data - zoom and slide - display temperature, rain prediction, cloud cover, humidity, CAPE, pressure, wind speed, wind direction, dew point - the location can be selected from a database with ~200000 entries - or the location can be selected from the map - or your current location can be used - you can maintain a favorite list
Sun
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Sun-Dog is a clean, focused weather app built on open data. Hourly trends for temperature, rain, sunshine and wind, a combined 14-day overview and all the important details show you the sky at a glance. Weather Windows find suitable times for walks, exercise, barbecues, beach trips, stargazing and more. Smart highlights call out important weather changes and significant rain or wind peaks. A sundog – also called a parhelion – is a real atmospheric phenomenon. When conditions are right, Sun-Dog quietly reminds you to look up. • Hourly charts for temperature, rain, sunshine and wind • Combined 14-day forecast with detailed hourly values • Weather Windows for activities and special times of day • Current conditions including feels-like, wind, humidity, pressure, UV and cloud cover • Rain radar and severe-weather alerts • Favorite places, widgets and Apple Watch complications • For iPhone, iPad, Mac and Apple Watch, in light and dark mode • Powered by Open-Meteo – free, open weather data. No account, no tracking.
Screenshots
Verdict
The clearest difference is in-app purchases: Wetter at none against Sun's 3. Wetter also leads on iOS requirement (15.6 vs 26.0). Sun's advantage is update cadence (every 2 weeks vs every 3 months) and device support (4 vs 1). On price and ads 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. Sun sells 3 one-off in-app purchases. Wetter asks for nothing beyond the download.
Wetter ships an update every 3 months, Sun every 2 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Wetter | Sun |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 10 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Wesemann | Michael Lauer |
In-app purchases
Wetter
No in-app purchases
Sun
- Small Tip$1.99
- Medium Tip$3.99
- Large Tip$6.99









