Best Triangle3 alternatives: apps like Triangle3

10+ similar apps compared and reviewed

3.4 avg rating
9 free apps
Updated November 2026

Looking for something like Triangle3? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
4.1(377 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to Triangle3

PJFFfree#3

PJFFfree by sigeyosi kanenishi

Piping member reference applic
Worth Considering
📊 Productivity
5.0(1 ratings)
FreeAds
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This app serves as a manual for piping parts, focusing on Japanese specifications. It lists commonly used items based on manufacturer data and public dimension tables, with all measurements in millimeters.

More apps like Triangle3

4
Flm∴S アイソメmaster
Flm∴S アイソメmaster
Flm∴S アイソメmaster
by shinji miyagawa
Free

This app simplifies the creation of piping isometric drawings (spool drawings) for construction and fabrication sites. It replaces manual drafting and CAD software with a tablet-based tool, allowing users to easily place symbols and automatically calculate dimensions for efficient workflow.

Piping and fitting symbolsAutomatic cut length calculationPart numbering and material lists
📊 Productivity
(0)
free
5
一発修正君
一発修正君
一発修正君
by yoshida kogyo,y.k.
Free
📊 Productivity
(0)
6
ShapeInfo Plus
ShapeInfo Plus
ShapeInfo Plus
Geometric shape calculator
$0.99

This app calculates lengths, angles, and areas for various geometric shapes. It supports a wide range of 2D and 3D shapes, making it a handy tool for engineers and students.

Calculate lengths, angles, and areaCalculate volume for 3D shapesSupports various 2D and 3D shapes
📊 Productivity
(31)
paid
7
Thermal Insulation Calculator
Thermal Insulation Calculator
Thermal Insulation Calculator
Izoler-Demo
Free

This tool simplifies complex thermal insulation estimations for professionals, students, and learners. It provides clear insights for planning and understanding insulation tasks with a user-friendly interface.

Thermal insulation calculationsEstimation supportEducational insights
📊 Productivity
(4)
free with in-app purchases
8
SSFMfree
SSFMfree
SSFMfree
shape steel section reference
Free
📊 Productivity
(0)
9
Bolt Length - (Nominal Length)
Bolt Length - (Nominal Length)
Bolt Length - (Nominal Length)
Calculate screw length
Free

This application helps calculate the length of metric coarse screws based on Japanese Industrial Standards. It is designed for mechanical design purposes and should be used at the user's own risk.

Metric coarse screw length calculationConforms to Japanese Industrial Standards (JIS)Designed for mechanical design
📊 Productivity
(2)
free with in-app purchases
10
Triangle Simulator
Triangle Simulator
Triangle Simulator
by Toshiya Hondo
Free

Calculate triangle properties like sides, angles, and area instantly. Save and review past calculations with added memos. Supports various input formats and angle units for precise results.

Calculate triangle sides, angles, and areaView triangle imageSave calculation history
📊 Productivity
(0)
free with in-app purchases