SunSpan vs Weather Forecast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SunSpan
Visualize an entire year of daylight, sunrise, sunset, and twilight on a single, intuitive chart. Easily inspect daily solar times and phases by tapping or dragging across the visual representation. Offers detailed insights into seasonal changes and astronomical events.
- Full-year daylight chart
- Eight-stop twilight gradient
- Inspect daily solar times
- DST transitions marked
- Location picker via map/GPS
- Automatic time zone resolution
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SunSpan — A Year of Daylight on One Screen SunSpan renders an entire year of sunrise, sunset, and twilight as a single chart. Each day is a vertical band shaded from astronomical night through nautical and civil twilight into full daylight, so the seasonal curve, the solstices, the equinoxes, and effects like white nights and polar day are visible at a glance. Tap or drag across the chart to select any day and see its sunrise, sunset, daylight length, and twilight phase times in a detail bubble. Features - Full-year daylight chart for any location, any year from 1900 to 2100 - Eight-stop twilight gradient: night, astronomical, nautical, civil, day - Tap or drag any day to inspect sunrise, sunset, daylight length, and twilight phase times - DST transitions marked on the chart - Location picker via satellite map, or automatic from device GPS - Time zone resolved automatically from the selected coordinates - Localized in English, Spanish, German, and Ukrainian Privacy No accounts, no analytics, no ads. Location is used only on-device to compute solar geometry and never leaves the device.
Weather Forecast
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Weather should be effortless. Weather Forecast - USA gives you everything — current conditions, hourly forecasts, a full 7-day outlook, UV Index, feels-like temperature, wind, humidity, and worldwide city coverage. Clean. Fast. Beautiful. See real-time temperature, weather description, and a full overview the moment you open the app. Hourly Forecast Plan hour by hour with a detailed next-24-hour breakdown. Know exactly what's coming before it arrives. 7-Day Forecast See the week ahead at a glance. Temperature highs and lows, conditions, and daily summaries for confident planning. Feels Like Temperature The number on the thermometer isn't the whole story. WeatherUp shows what it actually feels like outside, accounting for wind and humidity. Wind Speed & Direction Full wind data including speed and direction — perfect for cyclists, boaters, pilots, and outdoor workers. Humidity See current humidity levels and understand how they affect comfort and weather conditions around you. Visibility Know how far you can see — critical for drivers, pilots, and anyone navigating in fog or low-light conditions. Air Pressure Track barometric pressure in real time. Useful for predicting incoming weather changes before they arrive. Chance of Rain & Next Rainfall See the exact probability of rain and when precipitation is expected to start — so you never get caught without an umbrella. Sunrise & Sunset Precise sunrise and sunset times for your location, every single day. Multiple Cities Add your home, your office, your family's city, and anywhere you're traveling. All your locations in one place. Worldwide Coverage Check the weather for cities across the USA and anywhere on Earth — ideal for travelers and expats. Clean, Modern Interface No clutter. No noise. WeatherUp is designed to give you what you need in seconds, not minutes.
Screenshots
Verdict
The clearest difference is iOS requirement: Weather Forecast at 13.0 against SunSpan's 16.0. On price, update cadence, ads and in-app purchases 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.
SunSpan ships an update every 2 days, Weather Forecast every 3 days. Both last shipped on October 31, 2026.
| Parameter | SunSpan | Weather Forecast |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Mykhailo Chelnokov | Bhavin Harsoda |
In-app purchases
SunSpan
No in-app purchases
Weather Forecast
No in-app purchases









