Blue Liner Flows

Ryan Olson · Weather

4.7 41 ratings Free

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Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 5, 2026
Rating ★ 4.72 → 4.73

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 88% 36
4★ 2% 1
3★ 5% 2
2★ 5% 2
1★ 0% 0

In-app purchases · US

What this app sells inside itself, grouped by kind and priced for this storefront.

Subscriptions
Premium Annual Subscription $6.99/ year · 7-day free trial
One-time purchases
Premium Lifetime Edition $19.99

Screenshots

About

With Blue Liner Flows, you are only one click away from easy access to detailed and comprehensible river flow information. With data aggregated from both the USGS and NOAA, parameters such as discharge, temperature, turbidity, dissolved oxygen, pH, and gauge height are available for thousands of rivers and streams across the U.S. This simple and easy-to-use app offers endless searching and viewing options, allowing you to effortlessly check in with your favorite streams. And, with an interactive map embedded within the interface, exploring and gaining directions to new rivers has never been made easier. Blue Liner Flows also gives you the ability to categorize any watershed into your own set of personalized tags, making organization a breeze. These features and many more can be available to you and have never been more accessible. - Set up alerts to be directly notified when river conditions change. - Use widgets to gain practical flow information at a glance directly from your Home Screen, Lock Screen, or Today View. - Organize streams under your own array of fully customizable tags. - Along with NOAA river forecasts, use detailed weather information such as barometric pressure, cloud cover, and more to plan your day on the water. - Useful for any activity on the river, whether it be fishing, rafting, kayaking, boating, or even swimming! All river gauge information is provided by the USGS and NOAA. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

What's new · 5.1.1

Minor bug fixes.

Details

DeveloperRyan Olson
ReleasedJan 2024
UpdatedMar 2026
Version5.1.1
Size4.1 MB
RequiresiOS 17.6 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories WeatherSports
Bundle IDRTO.BlueLiner