Gas Pipe Sizing Calculator vs Ruud
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
Ruud
This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.
- Bluetooth setup and troubleshooting
- System operating parameter monitoring
- Alarm diagnosis and history
- Access installation instructions and manuals
- Track warranty information
- Locate retailers and distributors
- Find rebate and financing information
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We’ve redesigned Ruud for Contractors to offer the industry’s most powerful, intuitive, and easy-to-use app. Whether you’re on a residential service call or installing 40 units at a major site, the free Ruud Contractor app’s Bluetooth® capability – paired with an enabled HVAC system -- makes set-up and troubleshooting simpler than ever. With Ruud for Contractors and eligible air systems, you can easily: Install - Set up systems quickly and easily with the new Bluetooth® setup - Monitor operating parameters from your phone while charging outdoor units - Verify system setup with access to system operating status - Quickly check for alarms Service - Diagnose active alarms and alarm history - Check system operating status - Easy step-by-step parts replacement and system setup The Ruud for Contractors app also offers powerful support for all of our air and water products, with a new Product Technical Support design that is easier to use and more accurate than ever: - Access installation instructions - Search parts lists - Download manuals - View tech sheets - Research consumer literature Track Warranty information - Scan and confirm model and ownership details - Check warranty status and share HVAC systems warranty certificate Locate - Look up retailers - Look up distributors Research - Find up-to-date rebate information - Research financing options - Offer extended warranty - Confirm AHRI information and certification for HVAC systems
Screenshots
Verdict
The clearest difference is price: Ruud at Free against Gas Pipe Sizing Calculator's $1.99. Ruud also leads on rating (4.6 vs 4.0) and review sentiment (50% vs 13%). Gas Pipe Sizing Calculator's advantage is iOS requirement (12.0 vs 16.0). On ads, 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
Ruud 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.
Ruud holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: Ruud has 1.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 13% of Gas Pipe Sizing Calculator's written reviews are positive against 50% of Ruud's.
Gas Pipe Sizing Calculator ships an update every 13 months, Ruud monthly. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.
| Parameter | Gas Pipe Sizing Calculator | Ruud |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.0 (4 ratings) | 4.6 (1.1K ratings) — better |
| Positive reviews | 13.3% of reviews | 50.0% of reviews — better |
| Number of ratings | 4 | 1.1K — better |
| Update frequency | Every 13 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 0 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Connor Kelley | Rheem Manufacturing Company |
Customer experience
Gas Pipe Sizing Calculator
Ruud
In-app purchases
Gas Pipe Sizing Calculator
No in-app purchases
Ruud
No in-app purchases
Questions
Is Gas Pipe Sizing Calculator free?
Is Ruud free?
Which has better reviews, Gas Pipe Sizing Calculator or Ruud?
Do Gas Pipe Sizing Calculator or Ruud have ads?
Which is updated more often, Gas Pipe Sizing Calculator or Ruud?
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