Sizing US/CA vs NTI net
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sizing US/CA
This utility app helps installers determine the correct size of flexible gas piping for their projects. It calculates the appropriate pipe size based on gas type, tubing length, supply pressure, and flow capacity. Users can also access installation guides and product information.
- Flexible gas pipe sizing
- US and CA location selector
- Automatic value adjustment
- Certification card access
- Installation guide viewer
- Product search
- Direct contact with developer
Read full descriptionHide full description
Size Gastite® and FlashShield™ flexible gas piping with this convenient and easy-to-use application for the iPhone. This app allows flexible gas pipe installers to determine the appropriate size Gastite pipe recommended for the installation at hand. Based on the project’s gas type, length of tubing run, supply pressure, pressure drop, and flow capacity – the app will calculate the appropriate size Gastite/FlashShield CSST for your application. Features : Includes a location selector for US and CA Scroll wheel automatically adjusts depending on values selected Find your certification card to link a digital version to your device FAQs View the latest Design and Installation Guide Search for Gastite and FlashShield products Contact Page submits questions and requests directly to Gastite The Gastite and FlashShield flexible gas piping systems are designed and warranted to provide sufficient gas volume and pressure for proper appliance performance using the appropriate sizing tables and methods detailed in the Design and Installation Guide and this Mobile Sizing App. Accordingly, the design pressure loss on the Gastite and FlashShield piping system under maximum probable flow conditions, from the point of delivery to the inlet connection of the equipment shall be such that the supply pressure at the equipment is greater than the minimum pressure required for proper equipment operation. Minimum Requirements - iOS version 8
NTI net
Control your home's heating system remotely for enhanced comfort and energy savings. Receive system failure notifications and opt for 24/7 professional assistance with an optional Pro subscription.
- Remote boiler and heat pump control
- Temperature adjustment
- Energy saving optimization
- System failure notifications
- 24/7 technical assistance (Pro)
Read full descriptionHide full description
Home gets smarter, Life gets simpler with NTI net! Wouldn’t it be nice to set the perfect home temperature with a simple tap, whenever and wherever you are? With NTI net you can control your boiler, heat pump or hybrid solution more easily and conveniently via app, achieving superior levels of comfort and serenity within your home. The app will also be your energy consultant, allowing you to maximize your savings and contribute to building a sustainable future for everyone. In case of system failure, you will promptly be notified so that you can immediately ask for support. In addition, by activating NTI net Pro, you will receive 24/7 assistance from your NTI Technical Assistance Center, which will be able to monitor the product and find a solution for any issue, even remotely! NTI net, ideal comfort with a simple touch!
Screenshots
Verdict
The clearest difference is rating: NTI net at 4.5 against Sizing US/CA's 3.2. NTI net also leads on ads (none vs shown) and ratings volume (76 vs 13). Sizing US/CA's advantage is monetization model (ad-supported vs free with in-app purchases) and iOS requirement (10.0 vs 13.0). On price, update cadence, in-app purchases and device support 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.
NTI net holds the better App Store score, 4.5 against 3.2. That said, the two scores are not equally well evidenced: NTI net has 76 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 11% of Sizing US/CA's written reviews are positive against 20% of NTI net's.
Sizing US/CA ships an update every 6 weeks, NTI net monthly. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.
| Parameter | Sizing US/CA | NTI net |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (13 ratings) | 4.5 (76 ratings) — better |
| Positive reviews | 11.1% of reviews | 20.0% of reviews — better |
| Number of ratings | 13 | 76 — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 27 MB | 111 MB |
| Age rating | 17+ | 4+ |
| Developer | Gastite Products LLC | Ariston SpA |
Customer experience
Sizing US/CA
NTI net
In-app purchases
Sizing US/CA
No in-app purchases
NTI net
No in-app purchases
Questions
Is Sizing US/CA free?
Is NTI net free?
Which has better reviews, Sizing US/CA or NTI net?
Do Sizing US/CA or NTI net have ads?
Which is updated more often, Sizing US/CA or NTI net?
Other comparisons
