WaterLink Home vs Sutro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WaterLink Home
This app provides detailed water analysis for pools and spas, offering step-by-step treatment recommendations. It supports multiple testing methods and allows customization of chemicals and dosage rates. Connect with professionals for tailored advice.
- Pool and spa water analysis
- Step-by-step treatment recommendations
- Multiple supported test methods
- Customizable chemical and dosage rates
- Historical test data storage
- Connect with pool professionals
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WaterLink Home puts powerful, prescriptive water analysis in your hand. For the DIY homeowner or aquarist looking to take water analysis to next level, WaterLink Home is a fully featured, powerful water analysis app. Based on our professional grade WaterLink Solutions Pro software, WaterLink Home provides only the features you need without sacrificing any of the power. --Analysis for Pools, Spas & Aquariums -- Create up to 5 unique bodies of waters to monitor and analyze water chemistry. Water tests produce detailed, step-by-step treatment recommendations tailored to your water. Every historical test is saved in your free account, with helpful charts and graphs for easy data analysis. --Amazing Supported Test Methods-- WaterLink Home offers three incredible testing methods for submitting test results. • The LaMotte ColorQ2x Photometer • The industry leading LaMotte Spin® • Photo-scan several supported LaMotte Insta-TEST® test strips • LaMotte Pulse® • Custom Test methods allow manual input of test results --Customizable-- Customize the chemicals and dosage rates based on the products you use to treat your water. --Homelinks-- The Homelinks feature allows WaterLink Home Users to connect with WaterLink Solutions Pro accounts. This allows Home users to stay in touch with their local pool and spa professional. When connected to a Pro account, Home users can utilize the treatment profiles and chemicals from their local pool and spa professional, receiving treatment recommendations based on chemicals sold at their local shop. Pro users can monitor Home user testing in real time. --Absolutely Free!-- WaterLink Home is absolutely free to use. Simply download the app and create a free account to get started.
Sutro
This app connects multiple pool and spa monitoring devices to a single interface. It allows users to manage and view the status of all their connected Sutro devices from one convenient location.
- Connect multiple Sutro devices
- Centralized device management
- View device status
- Route management for devices
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The SutroPro app connects all Sutros in your route into one.
Screenshots
Verdict
The clearest difference is rating: WaterLink Home at 4.6 against Sutro's 3.2. WaterLink Home also leads on review sentiment (28% vs 0%) and update cadence (every 6 weeks vs every 8 months). Sutro's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WaterLink Home holds the better App Store score, 4.6 against 3.2. That said, the two scores are not equally well evidenced: WaterLink Home has 86 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 28% of WaterLink Home's written reviews are positive against 0% of Sutro's.
WaterLink Home ships an update every 6 weeks, Sutro every 8 months. The most recent releases landed on October 29, 2026 and October 6, 2026 respectively.
| Parameter | WaterLink Home | Sutro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (86 ratings) — better | 3.2 (11 ratings) |
| Positive reviews | 28.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 86 — better | 11 |
| Update frequency | Every 6 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 130 MB | 65 MB |
| Age rating | 4+ | 4+ |
| Developer | LaMotte Chemical Products Company | Sutro Connect Inc |
Customer experience
WaterLink Home
Sutro
In-app purchases
WaterLink Home
No in-app purchases
Sutro
No in-app purchases
