Comparison

CalcTri V1 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

CalcTri V1

This utility app offers a calculator, right triangle calculations, and pipe centering. It mimics desktop calculator operation and allows copying from history. Supports angle input in degrees and minutes for precise calculations.

Highlights
  • Basic calculator function
  • Right triangle calculations
  • Pipe centering calculations
  • Angle input in degrees and minutes
  • Copy calculation history
Features
Read full description

You can use a simple calculator function, calculate a right triangle, and calculate the centering of a pipe. It is based on the operation of a desktop calculator. The calculator can be copied from the calculation history. The calculation of a right triangle is calculated from the length and angle of the sides. You can also enter the angle in degrees and minutes. The centering of the pipe can be calculated as straight and 45 degrees

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

CalcTri V14 screens
Layout Calc Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: CalcTri V1 at none against Layout Calc Pro's 7. Layout Calc Pro's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price 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. Layout Calc Pro sells 7 one-off in-app purchases. CalcTri V1 asks for nothing beyond the download.

UpkeepUpdate frequency

CalcTri V1 ships an update every 3 weeks, Layout Calc Pro weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 3 level
CalcTri V1 versus Layout Calc Pro: the parameters behind the verdict, then further details
ParameterCalcTri V1Layout Calc Pro
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size40 MB71 MB
Age rating4+4+
DeveloperTOGUCHI, CO., LTD.思源 李

In-app purchases

None

CalcTri V1

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 CalcTri V1 free?
CalcTri V1 is free to download, with no in-app purchases.
Is Layout Calc Pro free?
Layout Calc Pro is free to download, with in-app purchases available.
Do CalcTri V1 or Layout Calc Pro have ads?
CalcTri V1 shows ads; Layout Calc Pro does not.
Which is updated more often, CalcTri V1 or Layout Calc Pro?
CalcTri V1 ships an update every 3 weeks, and Layout Calc Pro weekly. Most recently, CalcTri V1 was updated on October 24, 2026 and Layout Calc Pro on October 30, 2026.

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