# Blue Liner Flows vs RiverAware

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.

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.

## The numbers

| Metric | Blue Liner Flows | RiverAware |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (39 ratings)](https://appshunter.io/ios/app/blue-liner-flows/id6464350766/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/riveraware/id6473773718/reviews)** |
| Number of ratings | **39** | 8 |
| Positive reviews | 64.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | **#183** |
| Size | 4 MB | 52 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Olson](https://appshunter.io/developer/605279068) | [Transcend Engineering and Technology, LLC](https://appshunter.io/developer/1771028522) |

## What reviewers say

### Blue Liner Flows

[App page](https://appshunter.io/ios/app/blue-liner-flows/id6464350766)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual Subscription | $6.99 | per year |
| Premium Lifetime Edition | $19.99 | one-time |


### RiverAware

[App page](https://appshunter.io/ios/app/riveraware/id6473773718)

**Currently charting:** #183 Top Grossing · Weather (US App Store)

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.

**Highlights:** 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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $19.99 | per year |


## Frequently asked questions

### Is Blue Liner Flows free?

Blue Liner Flows is free to download, with in-app purchases available.

### Is RiverAware free?

RiverAware is free to download, with in-app purchases available.

### Which has better reviews, Blue Liner Flows or RiverAware?

RiverAware is rated higher. Blue Liner Flows averages 4.7 out of 5 from 39 ratings, while RiverAware averages 5.0 from 8 ratings.

### Do Blue Liner Flows or RiverAware have ads?

Neither Blue Liner Flows nor RiverAware shows ads.

### Which is updated more often, Blue Liner Flows or RiverAware?

Blue Liner Flows ships an update weekly, and RiverAware every 3 weeks. Most recently, Blue Liner Flows was updated on September 13, 2026 and RiverAware on July 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*