# LinkComm vs WaterTALQ Ark

The clearest difference is in-app purchases: LinkComm at none against WaterTALQ Ark's 3. LinkComm also leads on ratings volume (3 vs 1). WaterTALQ Ark's advantage is rating (5.0 vs 4.7) and update cadence (every 3 weeks vs every 2 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. WaterTALQ Ark sells 3 in-app purchases, starting at $14.99 per 3 months. LinkComm asks for nothing beyond the download.

WaterTALQ Ark holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

LinkComm ships an update every 2 months, WaterTALQ Ark every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LinkComm | WaterTALQ Ark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/linkcomm/id590256859/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watertalq-arkup/id6788019115/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 114 MB | 14 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OTT HydroMet Corp](https://appshunter.io/developer/1785982437) | [Sourcewater Consulting, LLC](https://appshunter.io/developer/6780278878) |

## What reviewers say

### LinkComm

[App page](https://appshunter.io/ios/app/linkcomm/id590256859)

This application allows users to communicate with specific OTT HydroMet dataloggers and transmitters. It enables viewing current status, downloading logged data, changing device setups, and performing diagnostic actions.

**Highlights:** View current status and measurement data, Change device setup, Download and graph logged data, Perform diagnostics, Supports Satlink3, X-Link, ecoLog 1000, SensorLink 1000

**Features:** Vision Pro support

**In-app purchases:** none


### WaterTALQ Ark

[App page](https://appshunter.io/ios/app/watertalq-arkup/id6788019115)

Access live Colorado water rights data for the Arkansas River Basin. Track administrative calls, decreed rights, stream flows, and reservoir levels. Ideal for water professionals and enthusiasts to understand water priority in real-time.

**Highlights:** Live administrative calls, Decreed water rights lookup, Gaging station flow tracking, Reservoir storage monitoring, Personalized watchlist, Threshold alerts, Map exploration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months | $14.99 | per 3 months |
| 1 Year | $24.99 | per year |
| 1 Week Pass | $4.99 | one-time |


## Frequently asked questions

### Is LinkComm free?

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

### Is WaterTALQ Ark free?

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

### Which has better reviews, LinkComm or WaterTALQ Ark?

WaterTALQ Ark is rated higher. LinkComm averages 4.7 out of 5 from 3 ratings, while WaterTALQ Ark averages 5.0 from 1 ratings.

### Do LinkComm or WaterTALQ Ark have ads?

Neither LinkComm nor WaterTALQ Ark shows ads.

### Which is updated more often, LinkComm or WaterTALQ Ark?

LinkComm ships an update every 2 months, and WaterTALQ Ark every 3 weeks. Most recently, LinkComm was updated on October 23, 2026 and WaterTALQ Ark on October 24, 2026.

---

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