FriskaVindar vs SunSpan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FriskaVindar
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- Is it windy today? - Wonder how it feels? - Wonder what the sea looks like? The app has calculators for windchill and conversion between F and C scale. The App provides a combined table of winds and wind-chill together with the effect of winds at land and sea. The App will: - convert between different units. - provide the usual terms for wind speed. - calculate wind-chill using the North American formula brought into use after year 2001. - provide wind-chill in both the Celsius and Fahrenheit scales. - link to yr.no for weather and forecast.
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.
Screenshots
Verdict
The clearest difference is price: SunSpan at Free against FriskaVindar's $0.99. SunSpan also leads on update cadence (every 2 days vs every 4 months). On ads, in-app purchases, device support 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
SunSpan is free to download; FriskaVindar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FriskaVindar ships an update every 4 months, SunSpan every 2 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.
| Parameter | FriskaVindar | SunSpan |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 17 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | domesticusdevelop | Mykhailo Chelnokov |
In-app purchases
FriskaVindar
No in-app purchases
SunSpan
No in-app purchases
