Best Csi Water Treatment Apps

250+ iOS apps curated and reviewed

4.1 avg rating

19 free apps

Updated September 2026

Looking for free csi water treatment apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Csi Water Treatment Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Legacy View	Free	4.7★ (4.4K)	No	No	Sep 2026
2	MTR: Water Treatment Reporting	Free	4.4★ (58)	No	No	Aug 2026
3	HASA water	Free	—	No	No	May 2026
4	WSSC Water	Free	4.8★ (12K)	No	No	Sep 2026
5	JAAM Water	Free	4.7★ (1.1K)	Yes	No	Aug 2026
6	iCare - Ideal Water Care	Free	4.4★ (134)	No	No	Aug 2026
7	Lutra – Water Treatment App	Free	1.5★ (2)	No	No	May 2026
8	HANS Premium Water By Culligan	Free	4.0★ (1)	No	No	May 2026

Top Picks for Csi Water Treatment

Legacy View by Chandler Systems, Inc.

Water system info & control

Editor's Choice

🌟 Lifestyle

4.7(4.4K ratings)

Free

Monitor and control your Chandler Systems water treatment system with ease. View system settings, track water usage, and initiate cycles remotely. Connect to multiple valves from a single device and update valve firmware.

MTR: Water Treatment Reporting by Advantage Controls

Field Service Data Collection

Strong Contender

💼 Business

4.4(58 ratings)

Free

MTR: Water Treatment Reporting screenshot 1

MTR: Water Treatment Reporting screenshot 2

MTR: Water Treatment Reporting screenshot 3

MTR: Water Treatment Reporting screenshot 4

MTR: Water Treatment Reporting screenshot 5

MTR: Water Treatment Reporting screenshot 6

This app streamlines water treatment reporting for field service professionals. It allows for the creation, viewing, and emailing of detailed reports, including service logs and technical notes, directly from a mobile device. Features include offline report generation, photo management, and inventory tracking.

HASA water by Hasa, Inc.

Worth Considering

📊 Productivity

0.0(0 ratings)

Free

More Csi Water Treatment apps to explore

WSSC Water

Washington Suburban Commission

Free

Manage your water and sewer services with this app. Pay bills, view your account history, and report emergencies. Stay updated with WSSC Water news and access customer resources.

Pay water/sewer billsView account historyReport water/sewer emergencies

Order bottled water for delivery to your chosen location. Submit orders, schedule delivery dates and times, and track your order status in real-time. Conveniently manage all your bottled water needs.

Request bottled water deliverySpecify delivery date and timeTrack orders

🍔 Food & Drink

(1.1K)

free with in-app purchases

iCare - Ideal Water Care

by Walz Street LLC

Free

This app uses AI to analyze your spa water quality hourly, providing personalized alerts and recommendations to maintain healthy, clear water. It helps you understand water behavior and take appropriate action, even anticipating future variations.

AI water analysisPersonalized alertsWater quality monitoring

🌟 Lifestyle

(134)

free

Lutra – Water Treatment App

by Lutra Ltd

Free

This application offers a suite of water and wastewater treatment calculators to streamline your work. It aims to save you time and improve efficiency, with plans to regularly add new calculation tools based on user feedback.

Water treatment calculatorsWastewater treatment calculatorsTime-saving tools

💼 Business

(2)

free

HANS Premium Water By Culligan

by S2 Equipment LLC

Free

This appliance offers a significant advancement in whole-house water purification, meeting bottled water standards. It effectively reduces a wide range of contaminants, softens water without salt, and features a space-saving, quiet, and low-maintenance design with a long warranty.

Meets bottled water standardsReduces lead, arsenic, iron, nitratesReduces PFOA/PFOS

by King Technology Inc.

Free

This app guides pool, hot tub, and swim spa owners using specific sanitizing systems. It offers personalized recommendations, step-by-step instructions based on test strip results, and troubleshooting advice to maintain optimal water conditions.

Supports FROG and FROG @ease test stripsStep-by-step water care recommendationsView testing history

🌟 Lifestyle

(4.8K)

free

AquaTru Water Purifier

by Aquatru LLC

Free

Monitor your water quality in real-time with this app, which connects to a WiFi-enabled water purifier. Track water consumption, savings, and environmental impact. Access a database of water contaminants by zip code and reorder filters directly.

Real-time water quality monitoring (TDS)Track water consumption (daily, weekly, monthly, yearly)Calculate money saved vs. bottled water

💪 Health & Fitness

(175)

free

WastewaterOS by Blue Green

Water Treatment Level 3

Water Treatment Level 4

مياه نوڤا - Nova Water

لطلب وتوصيل مياه نوڤا للمنازل

Free

Easily order and track deliveries of natural drinking water for your home or office. This app offers various product sizes and includes a hydration partner feature to monitor daily water intake and set reminders.

Order bottled waterTrack delivery statusChoose from various product sizes

🛍️ Shopping

(6K)

free

Water-N: Shower Water Monitor

Water & temperature monitor

by Digital Fractal Technologies Inc.

Engineering calculator

$4.99

This comprehensive engineering calculator suite offers over 100 solvers for water treatment, hydraulics, and environmental chemistry. It provides instant results with self-explanatory diagrams and internal databases, functioning completely offline. Available in multiple languages, it's designed for professionals needing precise calculations on the go.

103 solvers for water treatment and hydraulics2670+ calculations with instant resultsSelf-explanatory diagrams

Manage your bottled water and beverage deliveries conveniently from your smartphone. Easily edit deliveries, update recurring orders, manage payments, and explore a wide selection of water brands and other beverages.

Edit and schedule deliveriesManage recurring and one-time ordersUpdate billing and payment information

🍔 Food & Drink

(43K)

free with in-app purchases

LVL UP - Water

Premium Drinking Water - 24/7

Free

Get high-quality drinking water quickly and conveniently without the hassle of subscriptions or deliveries. Enjoy pure water in just three minutes, available around the clock.

Premium drinking waterConvenient accessFast preparation (3 minutes)

🍔 Food & Drink

(0)

free

Vera - Bottled Water Quality

Scan Purity Score & Safety

Free

Scan bottled water to get an instant purity score based on lab reports and safety data. Understand the molecular-level contaminants and track your hydration profile. Make informed choices about what you drink.

Scan any bottled water bottleInstant purity scoreMolecular-level contaminant reports

💪 Health & Fitness

(0)

freemium

FAQ about Csi Water Treatment

What are the best csi water treatment apps for iPhone?

Legacy View tops our csi water treatment apps ranking as of September 2026, with a 4.7-star average from 4.4K App Store ratings, and it's free to download.

Are there free csi water treatment apps for iPhone?

Yes — 19 of the top csi water treatment apps we rank are free to download, including Legacy View and MTR: Water Treatment Reporting.

Does Legacy View have ads or in-app purchases?

Legacy View has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many csi water treatment apps are on the App Store?

We track 250+ csi water treatment apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What does the Legacy View app do?

The Legacy View app allows users to remotely monitor and control Chandler Systems water treatment systems that use a Legacy View Valve. You can view and change valve settings, track water usage, and initiate cycles like regeneration or backwash directly from your smartphone or tablet.

What are the key features of Legacy View?

Key features include viewing and changing valve settings, monitoring current and historical water usage, initiating regeneration or backwash cycles remotely, connecting to multiple valves from one device, and updating firmware on compatible valves via Bluetooth LE.