Comparison

Transitions Layouts vs FabCalc

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

Head to head
About

Transitions Layouts

This utility app generates precise layouts for various transition shapes used in fabrication and HVAC. It simplifies complex calculations for square-to-round, rectangular-to-round, and pyramid designs, reducing manual drafting and improving accuracy.

Highlights
  • Square to Round/Rectangular Layout
  • Round to Square/Rectangular Layout
  • Pyramid and Truncated Pyramid Layout
  • Multiple Joint Configurations
  • Flexible Line Divisions
  • Accurate Input Parameters
Features
Read full description

Transitions Layouts is a specialized layout development tool designed for fabrication professionals, HVAC technicians, and sheet metal engineers who work with transition pieces and complex shape developments. This app helps generate accurate layouts for square-to-round, rectangular-to-round, round-to-square, pyramid, and truncated pyramid shapes. It simplifies layout calculations and reduces manual drafting effort, making fabrication faster and more precise. The app supports multiple development options including different joint configurations and line divisions, allowing flexibility for various fabrication requirements. Layout Development Features: - Square to Round / Rectangular to Round Layout - Round to Square / Round to Rectangular Layout - Pyramid Layout - Truncated Pyramid Layout Development Options: - 1 Part (Single Joint) Layout - 2 Part (Two Joint) Layout - 4 Part (Four Joint) Layout Line Division Options: - 12 Lines - 24 Lines - 36 Lines Input Parameters: - Base length and width - Top diameter or top dimensions - Height of shape The app generates layouts based on the selected joints and line divisions, making it easy to mark, cut, and fabricate transition pieces accurately. Transitions Layouts is highly useful for: - Fabrication and sheet metal industries - HVAC duct manufacturing - Process equipment manufacturing - Industrial and workshop applications Designed with practicality and accuracy in mind, Transitions Layouts is an essential tool for professionals involved in transition piece development. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://semiconhub.in/manager/privacy.html Terms and Condition : https://semiconhub.in/manager/tcondition.html

About

FabCalc

Features
Read full description

The flat pattern calculator your fab shop needs — cylinders, cone gores, duct wraps, and more. Fully offline. No account. No ads. Stop laying out cone gores by hand on the table. Stop guessing developed length on a duct wrap. FabCalc generates shop-ready flat pattern drawings and 1:1 DXF files for common fabricated shapes. WHAT'S INSIDE • Cylinder wrap — full shell and partial segments • Half-pipe sleeve — 180° cylinder segments • Cone / frustum gore — annular sector with slant length and arc development • Rectangular duct wrap — four-panel strip with bend lines and bend allowance • Live 2D preview — cut profile, bend lines, roll direction, dimensions • DXF export — AutoCAD R12 ASCII, layered (CUT, BEND, ROLL, TEXT), 1:1 scale • PDF job sheet — drawing, inputs, calculated values, notes • Saved jobs — reopen and edit patterns locally WHO IT'S FOR Fabricators, sheet metal workers, pipe fitters, boilermakers, plasma/laser operators, and shop owners who need accurate flat patterns without desktop CAD. FREE vs PRO Free forever: all shape inputs, live preview, calculated values, warnings, and DXF cut-file export. Pro unlocks PDF job sheets and unlimited saved jobs. One-time purchase or subscription. Subscriptions auto-renew until cancelled. Manage in your Apple ID Subscription Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://doublevision.company/privacy NO ACCOUNT. NO ADS. NO DATA COLLECTION. FabCalc works on the layout table, at the plasma table, in the truck. Everything runs locally.

Screenshots

Transitions Layouts4 screens
FabCalc4 screens

Verdict

The call

The clearest difference is update cadence: FabCalc at weekly against Transitions Layouts's every 9 months. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Transitions Layouts sells 1 one-off in-app purchase and FabCalc sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Transitions Layouts ships an update every 9 months, FabCalc weekly. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

Scorecard1 real difference · 8 level
Transitions Layouts versus FabCalc: the parameters behind the verdict, then further details
ParameterTransitions LayoutsFabCalc
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size47 MB3 MB
Age rating4+4+
DeveloperSachinbhai SuraniDouble Vision USA LLC

In-app purchases

1 purchases

Transitions Layouts

One-time1
  • Lifetime premium$9.99
4 purchases

FabCalc

Subscriptions2
  • FabCalc Pro Monthly$4.991 Month
  • FabCalc Pro Yearly$29.991 Year
One-time2
  • Fab Shop Bundle$119.99
  • ShopCalc Pro Lifetime$129.99

Questions

Is Transitions Layouts free?
Transitions Layouts is free to download, with in-app purchases available.
Is FabCalc free?
FabCalc is free to download, with in-app purchases available.
Do Transitions Layouts or FabCalc have ads?
Neither Transitions Layouts nor FabCalc shows ads.
Which is updated more often, Transitions Layouts or FabCalc?
Transitions Layouts ships an update every 9 months, and FabCalc weekly. Most recently, Transitions Layouts was updated on October 17, 2026 and FabCalc on October 22, 2026.

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