FloodNotice vs Floodzilla
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Floodzilla
Get real-time flood conditions, warnings, and advisories for the Snoqualmie Valley. Interactive maps show at-risk areas, and you can access the latest news and updates to stay informed and safe.
- Real-time flood conditions
- Flood warnings and advisories
- Interactive flood maps
- Latest news and updates
- Snoqualmie Valley specific information
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Floodzilla provides real-time flood information for the Snoqualmie Valley, including: - Current flood conditions: See how high the water is at key locations in the valley. - Flood warnings and advisories: Receive alerts when there is a risk of flooding. - Flood maps: View interactive maps of the valley to see which areas are at risk of flooding. - News and updates: Stay up-to-date on the latest flooding information. Download Floodzilla today and stay safe from flooding!
Screenshots
Verdict
The clearest difference is update cadence: Floodzilla at every 2 months against FloodNotice's every 7 months. Floodzilla also leads on iOS requirement (15.1 vs 17.6). FloodNotice's advantage is ratings volume (9 vs 3). On price, rating, 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.
On the App Store both sit at effectively the same score — 5.0 for FloodNotice against 5.0 for Floodzilla. Both are backed by a comparable volume of ratings — 9 and 3 respectively.
FloodNotice ships an update every 7 months, Floodzilla every 2 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | FloodNotice | Floodzilla |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 3 |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Nathaniel Copeland | Snoqualmie Valley Preservation Alliance |
Customer experience
FloodNotice
Floodzilla
In-app purchases
FloodNotice
No in-app purchases
Floodzilla
No in-app purchases
