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Best River Data Apps

249+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated September 2026

The best river data apps on iPhone average 4.7★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top River Data Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RiverApp - River levelsRiverApp - River levelsFree4.8★ (5K)NoYesSep 2026
2Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesSep 2026
3GaugeWatcherGaugeWatcherFree was $0.995.0★ (3)NoNoSep 2026
4River Levels & FlowsRiver Levels & Flows$2.994.6★ (2.6K)NoNoSep 2026
5Rivers.run - River LevelsRivers.run - River LevelsFree4.4★ (28)NoNoAug 2026
6River ReportsRiver ReportsFree4.4★ (13)NoNoMay 2026
7MVD Watershed AppMVD Watershed AppFree5.0★ (3)YesNoMay 2026
8Data MasterclassData MasterclassFree—NoNoMay 2026

Top Picks for River Data

RiverApp - River levels#1

RiverApp - River levels by Florian Bessiere

Real-time river conditions
Editor's Choice
☀️ Weather
4.8😊(5K ratings)
FreeIn-App Purchases
#85in Weather
RiverApp - River levels screenshot 1
RiverApp - River levels screenshot 2
RiverApp - River levels screenshot 3
RiverApp - River levels screenshot 4
RiverApp - River levels screenshot 5

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.

What We Love

  • 👍 Easy to use
  • 🗺️ Comprehensive coverage of rivers
  • 📊 Useful data and visualizations
  • 🔔 Helpful alerts and notifications
  • 💰 Affordable premium upgrade

Room to Improve

  • 🐛 Occasional inaccurate or outdated information
  • 🔍 Missing some important river gauges
  • 💬 Lack of communication from developers
  • 🗺️ Incorrect geographic information for some areas
Rivercast: River Levels USA#2

Rivercast: River Levels USA by Juggernaut Technology, Inc.

NOAA Forecasts & Flood Alerts
Strong Contender
☀️ Weather
4.7😊(11K ratings)
FreeAdsIn-App Purchases
Rivercast: River Levels USA screenshot 1
Rivercast: River Levels USA screenshot 2
Rivercast: River Levels USA screenshot 3
Rivercast: River Levels USA screenshot 4
Rivercast: River Levels USA screenshot 5
Rivercast: River Levels USA screenshot 6

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
GaugeWatcher#3

GaugeWatcher by Andrew Althage

River gauge flow data
Worth Considering
🔧 Utilities
5.0(3 ratings)
Free
GaugeWatcher screenshot 1
GaugeWatcher screenshot 2
GaugeWatcher screenshot 3
GaugeWatcher screenshot 4

Access real-time river flow data without needing an account or encountering advertisements. Discover nearby gauges, monitor flow rates, and save your preferred locations for quick access.

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FAQ about River Data

What are the best river data apps for iPhone?
RiverApp - River levels tops our river data apps ranking as of September 2026, with a 4.8-star average from 5K App Store ratings, and it's free to download.
Yes — 17 of the top river data apps we rank are free to download, including RiverApp - River levels and Rivercast: River Levels USA.
RiverApp - River levels has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ river data apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
RiverApp provides real-time data on water levels, river flows, and water temperatures for over 40,000 hydrometric stations globally. It also offers detailed maps of stations and whitewater sections, navigability information for courses, and allows users to report hazards.
RiverApp Premium offers historical data for water levels and flows going back several years, flow or water level forecasts at select stations, and the ability to display and compare satellite images from multiple providers on maps.

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