Comparison

SunSpan vs Foreign Weather

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Full-year daylight chart
  • Eight-stop twilight gradient
  • Inspect daily solar times
  • DST transitions marked
  • Location picker via map/GPS
  • Automatic time zone resolution
Features
Read full description

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.

About

Foreign Weather

Features
Read full description

See °F and °C side by side — plus your home city, always one glance away. Moved abroad? Traveling? Family in another country? Foreign Weather shows every temperature in Fahrenheit and Celsius together, so you never translate degrees in your head again. Pin a home city and compare it with wherever you are now. The home card shows its weather, local time, and even whether it is already tomorrow there — checking in on another place takes one glance. WHAT YOU GET - Current conditions, hourly, and 7-day forecasts — every temperature in both °F and °C - Pinned home-city card with local time and a day hint (already tomorrow there) - Saved places — jump back to any city with one tap - Severe weather alerts with official source details - Feels-like, humidity, wind, rain chance, UV index, sunrise, and sunset - Choose °F-first or °C-first — the other scale stays visible - Last forecast cached for offline viewing - Weather data by Apple Weather, with visible attribution FREE AND FAIR Free includes current location, a pinned home city, and saved places. A one-time Unlimited unlock raises the saved-place limit — no ads, no subscription, nothing recurring. Optional free account sync restores your saved places and preferences on another device.

Screenshots

SunSpan4 screens
Foreign Weather4 screens

Verdict

The call

The clearest difference is in-app purchases: SunSpan at none against Foreign Weather's 1. SunSpan also leads on update cadence (every 2 days vs every 3 months). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Foreign Weather sells 1 one-off in-app purchase. SunSpan asks for nothing beyond the download.

UpkeepUpdate frequency

SunSpan ships an update every 2 days, Foreign Weather every 3 months. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 7 level
SunSpan versus Foreign Weather: the parameters behind the verdict, then further details
ParameterSunSpanForeign Weather
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.0 — better
Further details — not scored
Size6 MB25 MB
Age rating4+4+
DeveloperMykhailo ChelnokovWENDELL JACINTO PEREIRA

In-app purchases

None

SunSpan

No in-app purchases

1 purchases

Foreign Weather

One-time1
  • Unlimited Unlock$4.99

Questions

Is SunSpan free?
SunSpan is free to download, with no in-app purchases.
Is Foreign Weather free?
Foreign Weather is free to download, with in-app purchases available.
Do SunSpan or Foreign Weather have ads?
Neither SunSpan nor Foreign Weather shows ads.
Which is updated more often, SunSpan or Foreign Weather?
SunSpan ships an update every 2 days, and Foreign Weather every 3 months. Most recently, SunSpan was updated on November 5, 2026 and Foreign Weather on November 10, 2026.

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