Comparison

Sizing US/CA vs DockTides

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Flexible gas pipe sizing
  • US and CA location selector
  • Automatic value adjustment
  • Certification card access
  • Installation guide viewer
  • Product search
  • Direct contact with developer
Features
Read 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

About

DockTides

This app provides instant, private dock water depth intelligence. It offers real-time status, detailed 24-hour forecasts with 6-minute precision, and personalized predictions based on your dock's unique characteristics. Get on the water with confidence.

Highlights
  • Real-time lift depth status
  • 24-hour water depth forecast
  • Hourly summaries with 6-minute precision
  • Personalized dock predictions
  • Privacy-first architecture
  • Offline-capable
Read full description

DockTides gives dock owners the water depth intelligence they need—instantly and privately. Know Before You Launch See your current dock water depth at a glance with our color-coded status system. Green means "Lift + Go"—you're ready to launch. Yellow indicates "Dock Only" operation. Red warns when water is too shallow. No guessing. No surprises. Plan Your Day with Precision Browse detailed 24-hour forecasts with 6-minute precision. Tap any hour to see exactly when your dock will have safe water depth. Identify perfect launch windows and avoid shallow-water frustration. Personalized to Your Dock DockTides combines NOAA tide data with your dock's unique characteristics to deliver hyper-local predictions—not generic charts. Our smart calibration learns your dock in minutes. One-time setup means accurate forecasts forever. Your Data Stays Yours Your dock location, measurements, and preferences are stored locally on your device. They never leave your iPhone. We don't maintain central databases or share your information with third parties. Features • Real-time lift depth status with color-coded safety indicators • 24-hour detailed water depth forecast • Hourly summaries with 6-minute precision • Auto-calculating residuals or manual override • Next high/low tide predictions • Customizable thresholds for your boat • Offline-capable (once configured) • Privacy-first architecture DockTides is built for boaters who hate guessing. Get on the water with confidence.

Screenshots

Sizing US/CA4 screens
DockTides4 screens

Verdict

The call

The clearest difference is rating: DockTides at 5.0 against Sizing US/CA's 3.2. DockTides also leads on ads (none vs shown) and update cadence (every 4 days vs every 6 weeks). Sizing US/CA's advantage is in-app purchases (none vs 2) and ratings volume (13 vs 1). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DockTides sells 2 in-app purchases, starting at $0.99 per month. Sizing US/CA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DockTides holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Sizing US/CA has 13 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sizing US/CA ships an update every 6 weeks, DockTides every 4 days. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

Scorecard7 real differences · 3 level
Sizing US/CA versus DockTides: the parameters behind the verdict, then further details
ParameterSizing US/CADockTides
PriceFreeFree
Rating3.2 (13 ratings)5.0 (1 ratings) — better
Positive reviews11.1% of reviews—
Number of ratings13 — better1
Update frequencyEvery 6 weeksEvery 4 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better15.0
Further details — not scored
Size27 MB34 MB
Age rating17+4+
DeveloperGastite Products LLCAdam Vella

Customer experience

Sizing US/CA

All ratings13 ratings
Positive46.2%
Neutral15.4%
Negative38.5%
Written reviews9 reviews
Positive11.1%
Neutral11.1%
Negative77.8%

DockTides

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sizing US/CA

No in-app purchases

2 purchases

DockTides

Subscriptions2
  • DockTides (Monthly)1 Month trial$0.991 Month
  • DockTides (Yearly)1 Year trial$9.991 Year

Questions

Is Sizing US/CA free?
Sizing US/CA is free to download, with no in-app purchases.
Is DockTides free?
DockTides is free to download, with in-app purchases available.
Which has better reviews, Sizing US/CA or DockTides?
DockTides is rated higher. Sizing US/CA averages 3.2 out of 5 from 13 ratings, while DockTides averages 5.0 from 1 ratings.
Do Sizing US/CA or DockTides have ads?
Sizing US/CA shows ads; DockTides does not.
Which is updated more often, Sizing US/CA or DockTides?
Sizing US/CA ships an update every 6 weeks, and DockTides every 4 days. Most recently, Sizing US/CA was updated on October 24, 2026 and DockTides on September 30, 2026.

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