Best SI Calculator Pro alternatives: apps like SI Calculator Pro

10+ similar apps compared and reviewed

4.2 avg rating
9 free apps
Updated October 2026

Looking for something like SI Calculator Pro? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to SI Calculator Pro

Pestara#1

Pestara by Darien Goleman

Pest Control In Your Pocket
Editor's Choice
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
Pestara screenshot 1
Pestara screenshot 2
Pestara screenshot 3
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Pestara screenshot 5

Identify common pests with detailed profiles and photos. Get step-by-step treatment guides, track your progress, and access seasonal pest activity information. An AI assistant provides personalized advice, and you can find local pest control services.

LSI Water Service Logbook/Plan#2

LSI Water Service Logbook/Plan by Verosocial Studio

Pool & Spa Balance Planner
Strong Contender
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
LSI Water Service Logbook/Plan screenshot 1
LSI Water Service Logbook/Plan screenshot 2
LSI Water Service Logbook/Plan screenshot 3

Easily calculate and track the Langelier Saturation Index for your pool water. Maintain optimal water balance for a healthy and safe swimming environment. Supports multiple units and saves your calculations over time.

More apps like SI Calculator Pro

4
WorldTIME: World Clock & Alert
WorldTIME: World Clock & Alert
WorldTIME: World Clock & Alert
Global Time & Smart Alerts
Free
🔧 Utilities
(0)
5
Lab Mate — Molarity & Dilution
Lab Mate — Molarity & Dilution
Lab Mate — Molarity & Dilution
Molarity & Dilution calculator
$6.99

This application simplifies complex chemistry calculations for molarity, dilutions, and mixtures. It offers a universal purchase for iPhone, iPad, and Mac, with features like chemical search, custom chemical saving, and a dedicated numeric keyboard for efficient data entry. Users can also customize decimal places and print their calculation history.

Molarity, dilution, and mixture calculatorsPercent dilution calculatorChemical search and molecular weight lookup
🔧 Utilities
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paid
6
Water Well Calculator
Water Well Calculator
Water Well Calculator
by Brett Munson
Free
🔧 Utilities
(0)
7
Pool Chem Calculator: Chlorino
Pool Chem Calculator: Chlorino
Pool Chem Calculator: Chlorino
Water testing, dosage & stock
Free

This app simplifies pool chemical management by converting water test results into precise dosage amounts. It helps track chemical inventory, expenses, and provides step-by-step plans for water balancing.

Exact chemical dosage calculationWater test logging and trackingStep-by-step water balancing plans
🔧 Utilities
(2)
free
8
My Lewisburg WV
My Lewisburg WV
My Lewisburg WV
by GOGov, Inc.
Free

Discover local events and happenings in Lewisburg, WV. This app provides a quick and easy way to find out what's going on in the city.

Discover local eventsFind city happeningsEasy event discovery
🔧 Utilities
(1)
free
9
eCall Pro
eCall Pro
eCall Pro
by Otis Elevator Company
Free
🔧 Utilities
(0)
10
Fonts Studio For Cricut
Fonts Studio For Cricut
Fonts Studio For Cricut
Fonts for iPhone Installer
Free
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