Comparison

Nozzle Orientation Marker vs Layout Calc Pro

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

Head to head
About

Nozzle Orientation Marker

Features
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This is used for Nozzle Orientation Marking Calculator for Shell and Dish ends Nozzles. Nozzle Orientation marker is developed for easy, fast and simple use of this calculator while Nozzle marking on Pressure vessel, tank or any other shell. For Shell Nozzle Orienatation Marking required input of outside circumference or shell outside diameter and Nozzle Angle in Degree. this app calculate arc length required for marking nozzle on shell at a given angle. this app is also calculate circumference required for 1 degree. In this App Dish end Nozzle orientation Marking Calculated for Different Types of heads used in pressure vessels. This app is Calculate Nozzle marking Distance for following Types of Dish ends or Heads Torispherical heads 2:1 Semi Ellipsoidal Heads Hemispherical Heads. In Dish Nozzle Marker Input is required is Nozzle Distance from center and Dish Ends Outside Diameter and Crown radius of dish ends. This app is useful in Daily activity of Fabrication Fitter, fabrication Engineer, QC engineer and other peoples working in the field of Process equipment Manufacturing. Keywords: Nozzles, Vessels, Heads, Dish Ends, Torispherical, Elliptical, 2:1 Semi-ellipsoidal, hemispherical, Fabrication, Engineering, Pressure Vessels, welding, ASME.

About

Layout Calc Pro

Features
Read full description

【App Description】 Layout Calc Pro is a cloud-based intelligent calculation platform designed for riveters, pipe fitters, sheet metal workers, HVAC specialists, insulation workers, and pressure vessel assembly technicians. It deeply integrates expert experience with a powerful calculation engine (built-in professional engineering calculator supporting trigonometric and inverse trigonometric functions), revolutionizing traditional manual layout calculations and drawings. 【Core Value】 1.Instant Precision Calculation: Input parameters and instantly get complex component unfoldings. 2.Efficiency Boost: Eliminate manual calculations and templates, greatly reducing cutting and prefabrication time, focusing on assembly and inspection. 3.Accuracy Assurance: Reliable calculation results reduce rework, scrap, and corrections. 4.Cloud Convenience: Access anytime, anywhere, with clear results and one-click export to DXF/CAD files, ready for CNC cutting. 5.After-Sales Support: 24/7 online support and video tutorials help you get started easily and quickly improve your skills. 【Application Scenarios】 1.Piping Projects: Accurate unfolding and cutting of elbows, tees, reducers, risers, supports, and other components. 2.Pressure Vessels & Boilers: Petal heads, cones, nozzle layouts, cylinder openings, reinforcement rings, and saddle plates. 3.Sheet Metal & HVAC: Duct fittings, hoppers, casings, round-to-square transitions, and custom-shaped components for insulation projects. 4.Steel Structures & Welding: Complex node plates, steel angle cuts, stair treads, and non-standard container shells. 5.Cable Trays: Rapid calculation of horizontal bends, vertical bends, tees, and reducers.

Screenshots

Nozzle Orientation Marker4 screens
Layout Calc Pro4 screens

Verdict

The call

The clearest difference is price: Layout Calc Pro at Free against Nozzle Orientation Marker's $1.99. Layout Calc Pro also leads on update cadence (every 6 days vs every 55 months) and iOS requirement (13.0 vs 16.1). Nozzle Orientation Marker's advantage is in-app purchases (none vs 7). On ads 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

Layout Calc Pro is free to download; Nozzle Orientation Marker costs $1.99 up front. Layout Calc Pro sells 7 one-off in-app purchases. Nozzle Orientation Marker asks for nothing beyond the download.

UpkeepUpdate frequency

Nozzle Orientation Marker ships an update every 55 months, Layout Calc Pro every 6 days. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 2 level
Nozzle Orientation Marker versus Layout Calc Pro: the parameters behind the verdict, then further details
ParameterNozzle Orientation MarkerLayout Calc Pro
Price$1.99Free — better
Update frequencyEvery 55 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.113.0 — better
Further details — not scored
Size1 MB49 MB
Age rating4+4+
DeveloperImran Pinjara思源 李

In-app purchases

None

Nozzle Orientation Marker

No in-app purchases

7 purchases

Layout Calc Pro

One-time7
  • Three Day VIP$5.00
  • 1-Year VIP Membership$19.99
  • 2-Year VIP Membership$34.99
Show 4 more
  • 3-Year VIP Membership$44.99
  • 1-Year VIP Membership$55.00
  • 2-Year VIP Membership$104.99
  • 3-Year VIP Membership$154.99

Questions

Is Nozzle Orientation Marker free?
Nozzle Orientation Marker costs $1.99, with no in-app purchases.
Is Layout Calc Pro free?
Layout Calc Pro is free to download, with in-app purchases available.
Do Nozzle Orientation Marker or Layout Calc Pro have ads?
Neither Nozzle Orientation Marker nor Layout Calc Pro shows ads.
Which is updated more often, Nozzle Orientation Marker or Layout Calc Pro?
Nozzle Orientation Marker ships an update every 55 months, and Layout Calc Pro every 6 days. Most recently, Nozzle Orientation Marker was updated on September 15, 2026 and Layout Calc Pro on September 17, 2026.

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