# Kestrel LiNK vs River Levels & Flows

The clearest difference is price: Kestrel LiNK at Free against River Levels & Flows's $2.99. Kestrel LiNK also leads on iOS requirement (13.0 vs 15.6). River Levels & Flows's advantage is rating (4.6 vs 2.9) and review sentiment (59% vs 27%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Kestrel LiNK is free to download; River Levels & Flows costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

River Levels & Flows holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: River Levels & Flows has 2.7K ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 27% of Kestrel LiNK's written reviews are positive against 59% of River Levels & Flows's.

Kestrel LiNK ships an update every 2 months, River Levels & Flows every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Kestrel LiNK | River Levels & Flows |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [2.9 (31 ratings)](https://appshunter.io/ios/app/kestrel-link/id1489485544/reviews) | **[4.6 (2.7K ratings)](https://appshunter.io/ios/app/river-levels-and-flows/id1508808963/reviews)** |
| Number of ratings | 31 | **2.7K** |
| Positive reviews | 27.3% of reviews | **59.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Best chart rank | #174 | **#38** |
| Size | 70 MB | 29 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Nielsen-Kellerman Co.](https://appshunter.io/developer/698732840) | [LW Brands, LLC](https://appshunter.io/developer/963599018) |

## What reviewers say

### Kestrel LiNK

[App page](https://appshunter.io/ios/app/kestrel-link/id1489485544)

**Currently charting:** #174 Top Free · Weather (US App Store)

This application allows users to monitor, download, and share environmental data collected by Kestrel Instruments meters and data loggers. It provides a seamless way to send your weather information to the cloud for further analysis and accessibility.

**Highlights:** Monitor environmental data, Download data, Share data, Send data to the cloud, Connect with Kestrel Instruments devices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### River Levels & Flows

[App page](https://appshunter.io/ios/app/river-levels-and-flows/id1508808963)

**Currently charting:** #38 Top Paid · Weather (US App Store)

Access real-time USGS and AHPS river level and flow data. Receive push notifications for flood status and view weather prediction charts for significant river flood outlooks and precipitation forecasts.

**Highlights:** USGS/AHPS river levels and flows, Flood status push notifications, Weather Prediction Center charts, Interactive gauge map, Gauge history and statistics, Quantitative precipitation forecasts

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Landscape mode for iPads
- 🚀 Excellent customer support
- 📊 Impressive data visualization
- 🔍 Useful for monitoring river levels
- 🔔 Helpful push notification feature

**What reviewers complain about**

- 🔍 Limited gauge coverage
- 🔢 Lack of customization options
- 📊 Inaccurate or outdated data
- 🤔 Overly complex for basic usage
- 💰 Poor value for the price

**Reported bugs**

- Saved gauges disappearing
- Inability to add desired gauge stations

**Requested features**

- Add more river gauge stations
- Allow sorting and organizing of favorite gauges
- Provide option to switch between USGS and NOAA data
- Implement customizable alert thresholds
- Add water temperature data


## Frequently asked questions

### Is Kestrel LiNK free?

Kestrel LiNK is free to download, with no in-app purchases.

### Is River Levels & Flows free?

River Levels & Flows costs $2.99, with no in-app purchases.

### Which has better reviews, Kestrel LiNK or River Levels & Flows?

River Levels & Flows is rated higher. Kestrel LiNK averages 2.9 out of 5 from 31 ratings, while River Levels & Flows averages 4.6 from 2.7K ratings.

### Do Kestrel LiNK or River Levels & Flows have ads?

Neither Kestrel LiNK nor River Levels & Flows shows ads.

### Which is updated more often, Kestrel LiNK or River Levels & Flows?

Kestrel LiNK ships an update every 2 months, and River Levels & Flows every 3 months. Most recently, Kestrel LiNK was updated on November 3, 2026 and River Levels & Flows on November 5, 2026.

### Which is more popular, Kestrel LiNK or River Levels & Flows?

Kestrel LiNK currently peaks at #174 in the App Store charts, and River Levels & Flows at #38. Chart position reflects recent download velocity rather than total install base.

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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.*