Gas Pipe Sizing Calculator vs Sizing US/CA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gas Pipe Sizing Calculator
This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.
- Calculates minimum gas pipe size
- Input BTU load
- Input longest run length
- Select gas type (LP or Natural)
- Designed for low pressure (0.5psi)
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Tired of looking at charts and fumbling around in codebooks in order to size gas pipe? This pipe sizing calculator takes all of that work and hassle out of the equation by calculating it for you, based on the total BTU load, length of the longest run, and type of gas. Simply enter the values, select your gas type (LP or Natural) and hit calculate. The minimum size gas pipe needed will be outputted, so you can continue on with your day. Designed for low pressure, 0.5psi
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
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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
Screenshots
Verdict
The clearest difference is price: Sizing US/CA at Free against Gas Pipe Sizing Calculator's $1.99. Sizing US/CA also leads on update cadence (every 6 weeks vs every 13 months) and ratings volume (13 vs 4). Gas Pipe Sizing Calculator's advantage is rating (4.0 vs 3.2) and ads (none vs shown). On review sentiment, 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
Sizing US/CA is free to download; Gas Pipe Sizing Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Gas Pipe Sizing Calculator holds the better App Store score, 4.0 against 3.2. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews point the same way: 13% of Gas Pipe Sizing Calculator's written reviews are positive against 11% of Sizing US/CA's.
Gas Pipe Sizing Calculator ships an update every 13 months, Sizing US/CA every 6 weeks. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.
| Parameter | Gas Pipe Sizing Calculator | Sizing US/CA |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.0 (4 ratings) — better | 3.2 (13 ratings) |
| Positive reviews | 13.3% of reviews — better | 11.1% of reviews |
| Number of ratings | 4 | 13 — better |
| Update frequency | Every 13 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | Connor Kelley | Gastite Products LLC |
Customer experience
Gas Pipe Sizing Calculator
Sizing US/CA
In-app purchases
Gas Pipe Sizing Calculator
No in-app purchases
Sizing US/CA
No in-app purchases
Questions
Is Gas Pipe Sizing Calculator free?
Is Sizing US/CA free?
Which has better reviews, Gas Pipe Sizing Calculator or Sizing US/CA?
Do Gas Pipe Sizing Calculator or Sizing US/CA have ads?
Which is updated more often, Gas Pipe Sizing Calculator or Sizing US/CA?
Other comparisons
