King County Flood Warning vs FloodNotice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
King County Flood Warning
Receive real-time flood information for key rivers and creeks in King County. Track current river flows, flood stages, and forecasts to stay informed about potential hazards in your area.
- Real-time flooding information
- River flow and flood stage data
- Flood forecasts
- Hydrographs for multi-day data
- Data from USGS and NWS
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The King County Flood Warning app helps safeguard people and property by providing real-time flooding info for the Skykomish, Snoqualmie, Tolt, Raging, Cedar, Green and White rivers, and Issaquah Creek. If you live, work, go to school or regularly travel in or through these areas of King County download this app to track flood conditions. The app shows current river flows, flood stage data and forecasts plus real-time flood phases. Hydrographs make it easy to see several days of river data and forecasts. This app uses data from U.S. Geological Survey and National Weather Service and Northwest River Forecast Center downloaded every 10 minutes (source data update timing varies). Developed by King County and funded by the King County Flood Control District.
FloodNotice
Access real-time streamflow, river levels, and flood forecasts from over 6,000 locations across the U.S. Save your favorite streamgages for quick access to critical waterbody information.
- Real-time streamflow observations
- River level monitoring
- Flood condition alerts
- Streamflow forecasts
- Save favorite streamgages
- Coverage across 50 U.S. states and Puerto Rico
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FloodNotice, the streamlined way to view real-time streamflow observations, river levels, and flood conditions, along with streamflow forecasts published by the National Weather Service's National Water Prediction Service (NWPS). Mark your favorite streamgages for easy access when heading out to your favorite waterbody. Highlights: - View stream/river conditions and forecasts from over 6,000 streamgages - Covers all 50 U.S. states and Puerto Rico - Save favorite streamgages for quick reference
Screenshots
Verdict
The clearest difference is review sentiment: FloodNotice at 100% against King County Flood Warning's 25%. FloodNotice also leads on rating (4.9 vs 3.7) and ratings volume (11 vs 3). King County Flood Warning's advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (8.0 vs 17.6). On price, ads, in-app purchases and monetization model 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.
FloodNotice holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews point the same way: 25% of King County Flood Warning's written reviews are positive against 100% of FloodNotice's.
King County Flood Warning ships an update every 3 months, FloodNotice every 7 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | King County Flood Warning | FloodNotice |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.9 (11 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 11 — better |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | County of King | Nathaniel Copeland |
Customer experience
King County Flood Warning
FloodNotice
In-app purchases
King County Flood Warning
No in-app purchases
FloodNotice
No in-app purchases
Questions
Is King County Flood Warning free?
Is FloodNotice free?
Which has better reviews, King County Flood Warning or FloodNotice?
Do King County Flood Warning or FloodNotice have ads?
Which is updated more often, King County Flood Warning or FloodNotice?
Other comparisons
