# River Reports vs Blue Liner Flows

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.

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.

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.

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.

## The numbers

| Metric | River Reports | Blue Liner Flows |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (13 ratings)](https://appshunter.io/ios/app/river-reports/id1564369941/reviews) | **[4.7 (39 ratings)](https://appshunter.io/ios/app/blue-liner-flows/id6464350766/reviews)** |
| Number of ratings | 13 | **39** |
| Positive reviews | 50.0% of reviews | **64.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Greg Lamp](https://appshunter.io/developer/1126182444) | [Ryan Olson](https://appshunter.io/developer/605279068) |

## What reviewers say

### River Reports

[App page](https://appshunter.io/ios/app/river-reports/id1564369941)

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:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked 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.

---

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