CalcTri V1 vs Layout Calc Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Basic calculator function
- Right triangle calculations
- Pipe centering calculations
- Angle input in degrees and minutes
- Copy calculation history
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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
Layout Calc Pro
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【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
Verdict
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
Both are free to download. Layout Calc Pro sells 7 one-off in-app purchases. CalcTri V1 asks for nothing beyond the download.
CalcTri V1 ships an update every 3 weeks, Layout Calc Pro weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | CalcTri V1 | Layout Calc Pro |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | TOGUCHI, CO., LTD. | 思源 李 |
In-app purchases
CalcTri V1
No in-app purchases
Layout Calc Pro
- Three Day VIP$5.00
- 1-Year VIP Membership$19.99
- 2-Year VIP Membership$34.99
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- 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?
Is Layout Calc Pro free?
Do CalcTri V1 or Layout Calc Pro have ads?
Which is updated more often, CalcTri V1 or Layout Calc Pro?
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