AquaLXP vs LSI Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AquaLXP
This app provides operators with step-by-step instructions and quick access to instrument information for the Lovibond® PTV Process Turbidimeter. It stores complete instrument history, allows for data calculation and graphing, and includes user security features.
- Step-by-step illustrated instructions
- Access to instrument history
- Data calculation and graphing
- User security with password protection
- Bluetooth connectivity to sensor
- Pro-tip information access
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Rethink the need for a controller! The AquaLXP app offers an enhanced user interface to operators using the Lovibond® PTV Process Turbidimeter. Step-By-Step Instructions - At Your Fingertips • Standardize Procedures - Step-by-step illustrated instructions are integrated into the app - this ensures everyone has the same set of procedures and that those important details necessary to achieving excellence in measurement are followed. • Quick and easy access to “pro-tips.” Anywhere in the app that the information graphic appears, be sure to click. These pages contain additional information about the instrument and turbidity measurements. • Fingertip Access - Leave the manual behind! Always have access to the latest features and updated instructions by using the AquaLXP App. Complete Instrument History • Every logged reading, calibration, verification, cleaning or other maintenance performed on a sensor over its lifetime is stored in one place - on the sensor. The AquaLXP™ App allows the user to easily access that information at any time. • By connecting to a PTV Sensor with a smart device, an operator, supervisor or regulator can easily confirm if scheduled verification/calibration procedures, maintenance or cleanings have been performed as planned. Calculate, Graph and Send Data • Easily generate meaningful data - Identify trends faster by viewing or exporting the data for a selected time period as a table or as a graph. • Was there an unexpected or unintended spike in turbidity? Operators can add notes to any data point so that the “why” can be easily referenced in the future. • Quickly calculate important values, such as upper and lower control limits, and percent compliance over a selected time frame. User Security and Data Protection • Uses Bluetooth® Connectivity to communicate directly with a single sensor. Only users that are within a 30M radius of the PTV Sensor has access to the data via the app. • Set passwords - with two levels of access, users who do not need access to certain features or control settings can be prevented from accidently changing anything • Establish Criteria and protocols. Supervisors can easily set pass/fail criteria for verifications and calibrations, as well as set alarms and control other key settings such as Bubble Reject and Signal Averaging.
LSI Calculator
This app provides tools and educational resources to help users manage water systems, focusing on eco-friendly treatments for pools and spas. It aims to make water maintenance accessible to everyone, regardless of their experience level.
- Water science education
- Pool and spa water management
- Eco-friendly treatment guidance
- NSF/ANSI Certified product information
- Tools for water system management
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Next Generation Water Science makes water (and the people who maintain it) look great. Next Generation Water Science makes eco-friendly water treatments for pools, spas, industrial and agricultural water systems. All products are NSF/ANSI Certified for purity and safety. Through education and helpful tools like this mobile app, Next Generation Water Science has helped people of all aptitudes manage water better.
Screenshots
Verdict
The clearest difference is review sentiment: LSI Calculator at 100% against AquaLXP's 0%. On price, update cadence, ads and in-app purchases 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.
AquaLXP ships an update every 3 months, LSI Calculator every 2 months. The most recent releases landed on September 16, 2026 and June 11, 2026 respectively.
| Parameter | AquaLXP | LSI Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (5 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 52 MB |
| Age rating | 4+ | 12+ |
| Developer | Tintometer, Inc | Pure Planet Science & Technology, Inc. |
Customer experience
AquaLXP
LSI Calculator
In-app purchases
AquaLXP
No in-app purchases
LSI Calculator
No in-app purchases
Questions
Is AquaLXP free?
Is LSI Calculator free?
Do AquaLXP or LSI Calculator have ads?
Which is updated more often, AquaLXP or LSI Calculator?
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