Comparison

Boiler Calculator vs Flat Pattern

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

Head to head
About

Boiler Calculator

This utility app helps boilermakers quickly calculate boiler facing areas and trace complex cylindrical curves. It simplifies intricate measurements, saving time and materials for professionals.

Highlights
  • Calculate boiler facing area
  • Trace cylindrical curves
  • Handle 90° intersections
  • Streamline complex measurements
  • Intuitive user interface
  • In-app guidance
Features
Read full description

This simple yet highly useful application, designed for calculating the boiler's facing area, streamlines and accelerates tasks for boilermakers. The app enables boilermakers to work more efficiently, supporting calculations that range from designing a basic cone layout to tracing complex cylindrical curves with 90° intersections. Typically, tracing these pieces requires uncovering numerous hidden measurements, which involve time-consuming and complex calculations, often resulting in wasted time and materials. With this app, time is greatly reduced. In just a few seconds and clicks, users can easily determine measurements with a few simple inputs. The app’s interface is designed to be quick and intuitive, ensuring ease of use. A help icon provides guidance for new users, answering questions and assisting in navigating the app smoothly.

About

Flat Pattern

This tool helps fabrication professionals create precise flat patterns for various shapes, minimizing fabrication time and increasing accuracy. It supports a wide range of complex geometries for industries like pressure vessels, piping, and heavy equipment.

Highlights
  • Fabrication layout for pipes and cones
  • Supports various pipe intersections
  • Calculates transitions between shapes
  • Generates patterns for pyramids and spheres
  • Includes dish end and screw flight layouts
  • Minimizes fabrication time and increases accuracy
Features
Read full description

It is very helpful for developing fabrication layout of all types of shapes generally used in fabrication. it is minimize fabrication time, increased accuracy. Flat Pattern Calculator is Tool for All Types of Widely used fabrication shapes Such as Pipe, Truncated Pipes, Pipe Branch Connections, Pipe to Cone Intersections, Cone, Truncated Cone, Eccentric Cone, Tori Cone, Multi-Level Cone, Square to Round, Rectangular to Round, Round to Square, Round to Rectangular, Pyramid, Truncated Pyramids, Sphere, Dish ends, Miter bend, Fabricated Bend, Cut Bend, Screw Flight etc. In this App Following Fabrication Flat Patterns Options are available : Pipe Layout or Shell Layout or Pipe Flat Pattern. Truncated Pipe Layout or Pipe cut at any angle Flat Pattern. Truncated Pipe at Both end layout or Pipe cut by an angle on both side Flat Pattern. Pipe to Pipe Intersection with equal Diameters or Pipe Branch connection Flat Pattern. Pipe to Pipe Intersection with unequal diameters or Pipe Branch Connection Flat Pattern. Pipe to Pipe Intersection with offset diameters or Pipe Branch Connection Flat Pattern. Pipe to Cone intersection at Perpendicular to Axis Flat Pattern. Pipe to Cone Inter Section at Parallel to Axis Flat Pattern. Pipe Truncated by Radius Flat Pattern. Full Cone Layout Flat Pattern. Truncated or Half Cone Layout Flat Pattern. Multi Level Cone Layout Flat Pattern. Eccentric Cone Layout Flat Pattern. Multilevel eccentric cone layouts Flat Pattern. Tori cone with Knuckle radius at large end Flat Pattern. Tori cone with Knuckle radius at both ends Flat Pattern. Rectangle to Round or Square to Round Transition layout Flat Pattern. Round to Rectangle or Round to Square transition layout Flat Pattern. Pyramid layout Flat Pattern. Truncated Pyramid Layout Flat Pattern. Sphere Petal Layouts Flat Pattern. Dish End Petal Layouts Flat Pattern. Miter Bend Layout Flat Pattern. Screw Flight Layout Flat Pattern. In this application cone,shell,pipe,pipe branch connections, full cone, half cone, truncated cone, square to round, round to square, rectangular to round, Round to rectangular, pyramid, truncated pyramid, cone to pipe branch, spheres, dish ends etc. it is useful for those who are working in Pressure vessels fabrication, process equipment fabrication, welding, Piping, Insulation, Ducting, heavy Equipment fabrication, Storage tank, Agitators, Mechanical equipment, structures, industrial fabrication, heat ex changers etc. it is best tool for production engineers, fabrication engineer, planning engineers, costing and estimating engineers, project engineers, fabrication contractor, fabrication supervisors, fabrication fitters, fabrication worker.

Screenshots

Boiler Calculator4 screens
Flat Pattern4 screens

Verdict

The call

The clearest difference is update cadence: Flat Pattern at daily against Boiler Calculator's every 35 months. Flat Pattern also leads on iOS requirement (10.0 vs 12.0). Boiler Calculator's advantage is price ($3.99 vs $7.99). On ads, in-app purchases, monetization model 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

Boiler Calculator costs $3.99 and Flat Pattern $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Boiler Calculator ships an update every 35 months, Flat Pattern daily. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Boiler Calculator versus Flat Pattern: the parameters behind the verdict, then further details
ParameterBoiler CalculatorFlat Pattern
Price$3.99 — better$7.99
Rating—1.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—2 — better
Update frequencyEvery 35 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.010.0 — better
Further details — not scored
Size2 MB64 MB
Age rating4+4+
DeveloperBhavinkumar SatashiyaImran Pinjara

Customer experience

Boiler Calculator

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Flat Pattern

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Boiler Calculator

No in-app purchases

None

Flat Pattern

No in-app purchases

Questions

Is Boiler Calculator free?
Boiler Calculator costs $3.99, with no in-app purchases.
Is Flat Pattern free?
Flat Pattern costs $7.99, with no in-app purchases.
Do Boiler Calculator or Flat Pattern have ads?
Neither Boiler Calculator nor Flat Pattern shows ads.
Which is updated more often, Boiler Calculator or Flat Pattern?
Boiler Calculator ships an update every 35 months, and Flat Pattern daily. Most recently, Boiler Calculator was updated on September 22, 2026 and Flat Pattern on October 1, 2026.

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