Comparison

River Reports vs Blue Liner Flows

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

River Reports

Access real-time and historical river flow data for hundreds of locations in the American West. This app simplifies finding crucial information for outdoor activities like float trips or checking local creek conditions, consolidating data from various government sources.

Highlights
  • Real-time river flows
  • Historical river flow data
  • Weather conditions
  • Consolidated data sources
  • Coverage across American West states
  • Easily digestible view
Features
Read full description

River Reports provides real time and historical river flows and weather conditions for hundreds of locations across the American West. Whether you're planning your next float trip or you want to check the flows on your local creek, we've got you covered. We built River Reports after wasting hours searching through government sites trying to find relevant data. This is now a thing of the past. River Reports aggregates federal, state, and local data sources to bring you easily digestible, consolidated view of every river, creek, and stream. River Reports does not have ads. We built River Reports because we're fellow anglers who like checking flows! It's as simple as that. Coverage • Colorado • Idaho • Montana • Utah • Texas • Washington • Wyoming Data Sources • USGS • USBR • Division of Water Resources

About

Blue Liner Flows

Access detailed USGS and NOAA river flow data, including discharge, temperature, and gauge height. Explore rivers with an interactive map, set custom tags for organization, and receive alerts for condition changes. Plan your outdoor activities with integrated weather forecasts.

Highlights
  • River flow data (discharge, temperature, pH)
  • Interactive map with directions
  • Customizable stream tagging
  • Real-time condition alerts
  • Home screen widgets
  • Integrated weather forecasts
Read full description

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/

Screenshots

River Reports4 screens
Blue Liner Flows4 screens

Verdict

The call

The clearest difference is in-app purchases: River Reports at none against Blue Liner Flows's 2. River Reports also leads on iOS requirement (13.0 vs 17.6). Blue Liner Flows's advantage is update cadence (weekly vs every 25 months) and rating (4.7 vs 4.4). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Blue Liner Flows sells 2 in-app purchases, starting at $6.99 per year. River Reports asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Blue Liner Flows holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 13 and 39 respectively. Written reviews point the same way: 50% of River Reports's written reviews are positive against 64% of Blue Liner Flows's.

UpkeepUpdate frequency

River Reports ships an update every 25 months, Blue Liner Flows weekly. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

Scorecard7 real differences · 3 level
River Reports versus Blue Liner Flows: the parameters behind the verdict, then further details
ParameterRiver ReportsBlue Liner Flows
PriceFreeFree
Rating4.4 (13 ratings)4.7 (39 ratings) — better
Positive reviews50.0% of reviews64.3% of reviews — better
Number of ratings1339 — better
Update frequencyEvery 25 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.0 — better17.6
Further details — not scored
Size16 MB4 MB
Age rating4+4+
DeveloperGreg LampRyan Olson

Customer experience

River Reports

All ratings13 ratings
Positive84.6%
Neutral0.0%
Negative15.4%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Blue Liner Flows

All ratings39 ratings
Positive89.7%
Neutral2.6%
Negative7.7%
Written reviews14 reviews
Positive64.3%
Neutral14.3%
Negative21.4%

In-app purchases

None

River Reports

No in-app purchases

2 purchases

Blue Liner Flows

Subscriptions1
  • Premium Annual Subscription7 Days trial$6.991 Year
One-time1
  • Premium Lifetime Edition$19.99

Questions

Is River Reports free?
River Reports is free to download, with no in-app purchases.
Is Blue Liner Flows free?
Blue Liner Flows is free to download, with in-app purchases available.
Which has better reviews, River Reports or Blue Liner Flows?
Blue Liner Flows is rated higher. River Reports averages 4.4 out of 5 from 13 ratings, while Blue Liner Flows averages 4.7 from 39 ratings.
Do River Reports or Blue Liner Flows have ads?
Neither River Reports nor Blue Liner Flows shows ads.
Which is updated more often, River Reports or Blue Liner Flows?
River Reports ships an update every 25 months, and Blue Liner Flows weekly. Most recently, River Reports was updated on September 21, 2026 and Blue Liner Flows on September 13, 2026.

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