Best Floodzilla Apps

216+ iOS apps curated and reviewed

4.4 avg rating

19 free apps

Updated May 2026

The best floodzilla apps on iPhone average 4.4★ across 216+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top Floodzilla Apps (May 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Floodzilla	Free	5.0★ (3)	No	No	May 2026
2	King County Flood Warning	Free	3.7★ (3)	No	No	May 2026
3	Rivercast: River Levels USA	Free	4.7★ (11K)	Yes	Yes	Sep 2026
4	FloodWatch	Free	4.7★ (280)	Yes	Yes	Sep 2026
5	WSDOT	Free	2.9★ (280)	No	No	Sep 2026
6	FEMA	Free	3.7★ (1K)	No	No	Sep 2026
7	Fish Washington	Free	4.3★ (7K)	No	No	Sep 2026
8	KIRO 7 News	Free	4.5★ (13K)	Yes	No	Sep 2026

Top Picks for Floodzilla

#1

Floodzilla by Snoqualmie Valley Preservation Alliance

Editor's Choice

5.0(3 ratings)

Free

Floodzilla screenshot 1

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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.

#2

King County Flood Warning by County of King

Strong Contender

3.7(3 ratings)

Free

King County Flood Warning screenshot 1

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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.

#3

Rivercast: River Levels USA by Juggernaut Technology, Inc.

NOAA Forecasts & Flood Alerts

Worth Considering

4.7😊(11K ratings)

FreeAdsIn-App Purchases

Rivercast: River Levels USA screenshot 1

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Monitor river levels, flow rates, and flood warnings with real-time data and forecasts. Get custom alerts for your favorite waterways and visualize trends with interactive graphs. Essential for anyone living, working, or recreating near water.

What We Love

🚀 Great app
👍 Easy to navigate
👍 Helpful for monitoring river levels
👍 Useful for fishing and boating
👍 Accurate and up-to-date information
👍 Necessary for those living near rivers
👍 Excellent customer support

Room to Improve

🐛 Data not always up-to-date
🔒 Paid subscription required for full functionality
🔒 Can't view more than 30 hours of data without premium
🔒 Have to pay for each device
🔒 Charging for free data available elsewhere

More Floodzilla apps to explore

Real-time river and flood data

Monitor real-time river and flood data across the United States. Track river height, discharge, precipitation, and water temperature with data from USGS and NWS. Ideal for property owners, outdoor enthusiasts, and anyone needing flood awareness.

Real-time river dataHistorical trends and graphsFavorites list for gauges

free with in-app purchases

by Washington State Department of Transportation

Access real-time traffic conditions, ferry schedules, and mountain pass reports for Washington State. Stay informed about travel alerts, toll rates, and border wait times to plan your journeys efficiently.

Statewide traffic mapLive traffic camerasFerry schedules and locations

by Federal Emergency Management Agency (FEMA)

This app provides essential tools and information for disaster preparedness, safety, and recovery. Receive real-time alerts, access guidance on emergency plans and kits, and find information on disaster assistance.

Real-time weather and emergency alertsDisaster preparedness guidanceActionable safety advice

Fish Washington

Fish Washington

Fish Washington

Sport Fishing Regulations

Access current Washington sport fishing rules and emergency changes for all state waters. Log catches offline, check license privileges, and find fishing spots with interactive maps. Includes NOAA tidal predictions and harvest limits.

Current sport fishing rulesEmergency regulation updatesOffline catch logging

Seattle Live News & Weather

Stay informed with breaking news and developing stories across Western Washington. Receive location-targeted alerts, stream live newscasts, and get detailed weather and traffic updates to plan your day.

Breaking news alertsLocation-targeted alertsLive newscast streaming

RiverApp - River levels

RiverApp - River levels

RiverApp - River levels

Real-time river conditions

Access real-time water levels, flows, and temperatures for rivers worldwide. Ideal for sports enthusiasts and professionals, it offers detailed maps, navigability information, and customizable alerts for over 40,000 hydrometric stations.

Real-time water levels and flowsWater temperaturesHydrometric station maps

free with in-app purchases

FarOut: Hike, Bike, Paddle

FarOut: Hike, Bike, Paddle

FarOut: Hike, Bike, Paddle

Offline GPS Trail Maps

This app provides reliable offline navigation for long-distance adventures like hiking, biking, and paddling. It offers trusted trail data, detailed waypoint information, and a check-in feature to share your location with loved ones. Explore the world with confidence, even in remote areas.

Offline navigational guidesExtensive global route coverageTrusted, official trail data

🗺️ Navigation

free with in-app purchases

Professional weather radar

Visualize professional-grade weather radar data with advanced tools for meteorologists, storm spotters, and enthusiasts. Access real-time radar information, severe weather alerts, and historical data with optional subscription tiers for enhanced capabilities.

Single-site radar data visualizationSevere weather alerts and warningsNWS-generated storm tracks

free with in-app purchases

RainDrop - Rain Totals & Radar

RainDrop - Rain Totals & Radar

RainDrop - Rain Totals & Radar

Forecasts & Weather Alerts

This app provides precise, real-time precipitation totals for any location in the US, eliminating the need for a rain gauge. It offers detailed forecasts, live radar maps, and customizable rain alerts for multiple saved locations.

Real-time rain and snow totals16-day weather forecastsAnimated live weather radar

free with in-app purchases

TroutRoutes: Fly Fishing App

TroutRoutes: Fly Fishing App

TroutRoutes: Fly Fishing App

Trout Maps, GPS, Public Access

This app provides interactive GPS maps for over 50,000 trout streams across the US. Discover fishing spots, navigate public access points, and view real-time stream conditions. Plan your next fly fishing adventure with detailed maps and custom markups.

Interactive GPS fishing maps50,000+ trout streams mapped280,000+ public access points

🗺️ Navigation

free with in-app purchases

PDX Bus, MAX, Streetcar & WES

PDX Bus, MAX, Streetcar & WES

PDX Bus, MAX, Streetcar & WES

Portland Transit arrival times

This app provides real-time arrival information for public transportation in Portland, Oregon, including buses, MAX, Streetcar, and WES. It offers features like stop management, interactive maps, and rider alerts to help navigate the transit system efficiently.

Real-time arrival timesInteractive rail mapsGPS-enabled nearby stop locator

free with in-app purchases

CalTopo: Backcountry Mapping

CalTopo: Backcountry Mapping

CalTopo: Backcountry Mapping

Route Planning & Navigation

Plan and navigate off-grid adventures with detailed offline maps and real-time weather forecasts. Trusted by professionals, this app offers seamless syncing and collaborative planning for backcountry pursuits.

Offline map downloadsSatellite imageryRoute planning

🗺️ Navigation

formerly Smart Water Network

Manage your home's water system remotely. This app connects to smart devices to monitor leaks, control faucets, manage sprinklers, and track water usage for peace of mind and conservation.

Remote water controlWhole-home leak protectionSmart faucet operation

i-Boating: Marine Charts & Gps

i-Boating: Marine Charts & Gps

i-Boating: Marine Charts & Gps

Lake Depth Map,Sailing Plotter

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

Detailed vector marine chartsRoute planning and editingVoice-guided navigation

🗺️ Navigation

free with in-app purchases

iNavX: Marine Navigation

iNavX: Marine Navigation

iNavX: Marine Navigation

Sailing & Boating Chartplotter

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management

🗺️ Navigation

free with in-app purchases

Aqua Map Boating

Aqua Map Boating

Aqua Map Boating

Marine navigation and fishing

This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.

Official NOAA nautical chartsOffline map downloadsGPS track recording

🗺️ Navigation

free with in-app purchases

Washington Suburban Commission

Manage your water and sewer services with this app. Pay bills, view your account history, and report emergencies. Stay updated with WSSC Water news and access customer resources.

Pay water/sewer billsView account historyReport water/sewer emergencies

FAQ about Floodzilla

What are the best floodzilla apps for iPhone?

Floodzilla tops our floodzilla apps ranking as of May 2026, with a 5.0-star average from 3 App Store ratings, and it's free to download.

Are there free floodzilla apps for iPhone?

Yes — 19 of the top floodzilla apps we rank are free to download, including Floodzilla and King County Flood Warning.

Does Floodzilla have ads or in-app purchases?

Floodzilla has no ads and has no in-app purchases, according to its App Store listing as of May 2026.

How many floodzilla apps are on the App Store?

We track 216+ floodzilla apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.

What areas does Floodzilla cover?

Floodzilla provides real-time flood information specifically for the Snoqualmie Valley. This includes current water levels at key locations and interactive maps showing areas at risk within the valley.

How often is Floodzilla updated?

Floodzilla was last updated on April 15, 2026, with version 1.0.25. The app is developed by the Snoqualmie Valley Preservation Alliance and aims to provide reliable, up-to-date flood information.