Best Usgs Water Data Apps

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated October 2026

Out of 250+ usgs water data apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Usgs Water Data Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1USGS River Levels & FlowsUSGS River Levels & FlowsFree—YesNoOct 2026
2Rivercast: River Levels USARivercast: River Levels USAFree4.7★ (11K)YesYesOct 2026
3RiverApp - River levelsRiverApp - River levelsFree4.8★ (5.6K)NoYesOct 2026
4River Levels & FlowsRiver Levels & Flows$2.994.6★ (2.6K)NoNoOct 2026
5Water SnapshotWater SnapshotFree5.0★ (1)NoYesSep 2026
6Flow AlertFlow AlertFree——NoOct 2026
7Blue Liner FlowsBlue Liner FlowsFree4.7★ (42)NoYesOct 2026
8EyeOnWaterEyeOnWaterFree4.7★ (44K)NoNoOct 2026

Top Picks for Usgs Water Data

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
RiverApp - River levels#3

RiverApp - River levels by Florian Bessiere

Real-time river conditions
Worth Considering
☀️ Weather
4.8😊(5.6K ratings)
FreeIn-App Purchases
RiverApp - River levels screenshot 1
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RiverApp - River levels screenshot 3
RiverApp - River levels screenshot 4
RiverApp - River levels screenshot 5
RiverApp - River levels screenshot 6

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

More Usgs Water Data apps to explore

FAQ about Usgs Water Data

Are there free usgs water data apps for iPhone?
Yes — 19 of the top usgs water data apps we rank are free to download, including USGS River Levels & Flows and Rivercast: River Levels USA.
USGS River Levels & Flows shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ usgs water data apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.