Blue Liner Flows vs RiverAware
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- River flow data (discharge, temperature, pH)
- Interactive map with directions
- Customizable stream tagging
- Real-time condition alerts
- Home screen widgets
- Integrated weather forecasts
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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/
RiverAware
Access real-time river levels, flood alerts, and accurate forecasts from over 13,000 stations nationwide. Monitor your favorite rivers, receive custom notifications, and stay informed with severe weather news.
- Real-time river and coastal station data
- Interactive map with color-coded pins
- Up to 3 months of water-level history
- Customizable river alerts
- National Weather Service flood forecasts
- Official weather alerts and newsfeed
- Easy sharing of data and map snapshots
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Explore 13,000+ river and coastal stations in real time with accurate data, reliable forecasts, and nationwide flood alerts. Key Features of RiverAware: • Interactive Map: Search and explore rivers with color-coded pins showing live conditions. • River Data at a Glance: Access up to 3 months of water-level history in clear, simple graphs. • Watch List: Track the rivers that matter most to you. • Custom Alerts: Get notified when rivers reach your chosen height or flood stage. • Flood Forecasts: See what’s coming with accurate predictions from the National Weather Service (NWS). • Official Weather Alerts: Stay informed with current nationwide flood and storm warnings. • Severe Weather Newsfeed: Follow live flood news and weather updates right inside the app. • Easy Sharing: Send live graphs and map snapshots directly from the app. Upgrade to RiverAware Premium for access to all new features, plus more: * Unlimited alerts * Unlimited Watch List stations * All available flood forecasts Whether you’re planning outdoor adventures, monitoring your property, or working in emergency response, RiverAware helps you stay prepared and make informed decisions. Download RiverAware today to help you make confident decisions with real-time river and flood alerts.
Screenshots
Verdict
The clearest difference is review sentiment: RiverAware at 100% against Blue Liner Flows's 64%. RiverAware also leads on rating (5.0 vs 4.7) and chart position (#183 vs unranked). Blue Liner Flows's advantage is update cadence (weekly vs every 3 weeks) and ratings volume (39 vs 8). On price, ads, in-app purchases and monetization model 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
Both are free to download. Blue Liner Flows sells 2 in-app purchases, starting at $6.99 per year and RiverAware sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
RiverAware holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 39 and 8 respectively. Written reviews point the same way: 64% of Blue Liner Flows's written reviews are positive against 100% of RiverAware's.
Blue Liner Flows ships an update weekly, RiverAware every 3 weeks. The most recent releases landed on September 13, 2026 and July 8, 2026 respectively.
| Parameter | Blue Liner Flows | RiverAware |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (39 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 64.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 39 — better | 8 |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | #183 — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryan Olson | Transcend Engineering and Technology, LLC |
Customer experience
Blue Liner Flows
RiverAware
In-app purchases
Blue Liner Flows
- Premium Annual Subscription7 Days trial$6.991 Year
- Premium Lifetime Edition$19.99
RiverAware
- Premium Monthly$2.991 Month
- Premium Annual$19.991 Year







