# WaterLink Solutions PRO vs eeV（イーブイ）

The clearest difference is iOS requirement: WaterLink Solutions PRO at 11.2 against eeV（イーブイ）'s 14.0. On price, update cadence, ads and in-app purchases 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, eeV（イーブイ） every 2 months. The most recent releases landed on July 20, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | WaterLink Solutions PRO | eeV（イーブイ） |
| --- | --- | --- |
| 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 2 months** |
| Monetization | Free | — |
| Size | 95 MB | 44 MB |
| Requires iOS | **11.2** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [LaMotte Chemical Products Company](https://appshunter.io/developer/975652461) | [REXEV Inc.](https://appshunter.io/developer/1509926736) |

## 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


### eeV（イーブイ）

[App page](https://appshunter.io/ios/app/eev/id1586258700)

**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 eeV（イーブイ） free?

eeV（イーブイ） is free to download, with no in-app purchases.

### Do WaterLink Solutions PRO or eeV（イーブイ） have ads?

Neither WaterLink Solutions PRO nor eeV（イーブイ） shows ads.

### Which is updated more often, WaterLink Solutions PRO or eeV（イーブイ）?

WaterLink Solutions PRO ships an update every 3 months, and eeV（イーブイ） every 2 months. Most recently, WaterLink Solutions PRO was updated on July 20, 2026 and eeV（イーブイ） on September 6, 2026.

---

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