Future Flood Predictor vs SunSpan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Future Flood Predictor
This application provides real-time, localized flood risk assessments using data from NASA satellites and weather stations. It offers instant risk level indicators and critical alerts to help users stay informed and safe during changing weather conditions.
- Real-time flood risk levels
- NASA-powered data accuracy
- Critical flood alerts
- Detailed precipitation data
- Location-based risk assessment
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Stay one step ahead of changing weather with FutureFloodPredictor. Using real-time, official data from NASA satellites and weather stations, our app provides the most accurate, localized flood risk assessments available. See your current risk level, from Low to Severe, and get the critical information you need to stay safe. KEY FEATURES: • REAL-TIME RISK LEVELS: Instantly see your flood risk (Low, Moderate, High) at your current location. • NASA-POWERED DATA: We use data directly from NASA's satellite and weather monitoring systems, giving you accuracy you can trust. • CRITICAL ALERTS: Receive instant notifications when conditions change and a new flood alert is issued for your area. • DETAILED WEATHER: Understand why the risk is high. See detailed data on precipitation, temperature, humidity, and more. Whether you're at home or traveling, FutureFloodPredictor gives you the critical warnings and peace of mind you need to prepare for potential flooding. Download today and stay informed.
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 update cadence: SunSpan at every 2 days against Future Flood Predictor's every 3 weeks. On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Future Flood Predictor against 5.0 for SunSpan. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Future Flood Predictor ships an update every 3 weeks, SunSpan every 2 days. The most recent releases landed on October 11, 2026 and September 25, 2026 respectively.
| Parameter | Future Flood Predictor | SunSpan |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Aarav Ganesh | Mykhailo Chelnokov |
In-app purchases
Future Flood Predictor
No in-app purchases
SunSpan
No in-app purchases
Questions
Is Future Flood Predictor free?
Is SunSpan free?
Which has better reviews, Future Flood Predictor or SunSpan?
Do Future Flood Predictor or SunSpan have ads?
Which is updated more often, Future Flood Predictor or SunSpan?
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