NPC Pro

Name: NPC Pro
Author: NPC - National Plasterers Council

LiveNPC - National Plasterers Council1 app · 1.2K installsEducationFreecom.tso.npc

NPC Pro LSI Calculator & Start Up Guide

Alert me ★ Watch Open in Play ↗

Total installs: 1,196
Installs / day: +2
Rating: —★
Released: 4 Feb 2025
Last update: 13 Feb 2026
Countries: —

Installs per day

gain of the exact counter

Lifetime avg ≈ 2/day (all installs ÷ days since release)

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play

3dAll

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
Collects data Location
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

9 in 3 groups

0 Sensitive4 Notable5 Routine

PhoneNotable1

Access to phone calls, call history, and voicemail

See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE

Device ID & call informationNotable1

Access to your phone's identifiers, mobile network details, and call status

See your phone number, device IDs, whether a call is active, and the other caller's numberread phone status and identity · READ_PHONE_STATE

OtherNotable7

Access to miscellaneous device features that don't fit other categories

Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

NPC Pro LSI Calculator & Startup Guide – The Ultimate Water Chemistry Tool for Pool Professionals! Developed by the National Plasterers Council (NPC), the NPC Pro LSI Calculator & Startup Guide is the essential app for pool professionals, technicians, and service providers. Whether you’re calculating the Langelier Saturation Index (LSI) to ensure balanced water chemistry or following proper startup procedures for new plaster finishes, this app simplifies the process with accuracy and ease. Key Features: - LSI Calculator – Quickly determine water balance to prevent scaling, etching, and plaster degradation. - Water Chemistry Guide – Get precise recommendations for pH, alkalinity, calcium hardness, and more. - Startup Procedures – Follow NPC’s step-by-step plaster startup guide for long-lasting, durable finishes. - Easy Data Input – Enter key pool chemistry values and get instant LSI results. - Professional-Grade Accuracy – Designed for pool contractors, service techs, and water chemistry experts. - User-Friendly Interface – Simplifies complex calculations for effortless use on the job. - Ask The Expert – If you have questions we have answers, use our ask the expert form to get answers to your toughest questions from the NPC community experts. - Connect. Engage. Explore. In addition to the tools, NPC Pro offers you access to find members, stream podcasts, access technical resources, connect with NPC social media and more. Why Use the NPC Pro LSI Calculator & Guide? Balanced water chemistry is crucial to maintaining a beautiful, durable swimming pool finish. The LSI Calculator ensures your water is within the ideal range, preventing costly repairs and extending the life of pool surfaces. The Startup Guide provides step-by-step instructions to correctly introduce new plaster finishes, avoiding common issues like discoloration or surface roughness. Whether you’re a pool professional, service technician, or pool owner looking for precise water chemistry management, this app is your go-to tool! Download the NPC Pro LSI Calculator & Startup Guide today and take the guesswork out of pool chemistry!

What's new

Updated LSI calculator 3 new volume calculators NPC site integration Pool Startup procedures Technical bulletins New entry save data interface Flex your finish NPC podcast links and player Flex your finish Push notifications

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