# WaterLink Solutions PRO vs Navien Multikit

The clearest difference is update cadence: WaterLink Solutions PRO at every 3 months against Navien Multikit's every 8 months. WaterLink Solutions PRO also leads on iOS requirement (11.2 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WaterLink Solutions PRO ships an update every 3 months, Navien Multikit every 8 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | WaterLink Solutions PRO | Navien Multikit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (16 ratings)](https://appshunter.io/ios/app/waterlink-solutions-pro/id1398371628/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 95 MB | 72 MB |
| Requires iOS | **11.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [LaMotte Chemical Products Company](https://appshunter.io/developer/975652461) | [KD Navien](https://appshunter.io/developer/456445012) |

## What reviewers say

### WaterLink Solutions PRO

[App page](https://appshunter.io/ios/app/waterlink-solutions-pro/id1398371628)

This app allows professionals to manage water analysis data, including property, contact, and site records. It facilitates water testing and seamlessly transfers results from compatible devices via Bluetooth for fast, accurate insights.

**Highlights:** Manage property, contact, and site records, Perform water tests, Transfer results via Bluetooth, Access data anywhere, Supports commercial water professionals

**Features:** macOS Compatibility

**In-app purchases:** none


### Navien Multikit

[App page](https://appshunter.io/ios/app/navien-multikit/id1636632101)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WaterLink Solutions PRO free?

WaterLink Solutions PRO is free to download, with no in-app purchases.

### Is Navien Multikit free?

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

### Do WaterLink Solutions PRO or Navien Multikit have ads?

Neither WaterLink Solutions PRO nor Navien Multikit shows ads.

### Which is updated more often, WaterLink Solutions PRO or Navien Multikit?

WaterLink Solutions PRO ships an update every 3 months, and Navien Multikit every 8 months. Most recently, WaterLink Solutions PRO was updated on October 12, 2026 and Navien Multikit on October 16, 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.*