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Screenshots

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About IsoTool

IsoTool includes a 7-day free trial for first-time users. Continued use requires a paid subscription. IsoTool is a tool for precise calculation of pipe and sheet-metal flat patterns for technical insulation, ventilation, and metal fabrication. Calculate flat patterns for pipes, bends, T-pieces, and transition pieces in seconds. The calculator generates an accurate pattern with all dimensions, ready to be transferred directly onto sheet metal or used as a digital reference. IsoTool is developed for professionals in technical insulation, ventilation, and sheet-metal work who need fast and accurate calculations without using complex CAD software. Features: • Calculates flat patterns for pipes, such as: bends, T-pieces, and transitions • Displays dimensions and angles in a clear, easy-to-read layout • Ideal for workshop, job site, or educational use With IsoTool, you get a practical and reliable tool that saves time, reduces errors, and ensures accurate results—every time. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

App privacy

The developer, Kim Mathiesen, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to IsoTool

Looking for apps like IsoTool? Here are 6 similar apps on the App Store. The highest rated is Elbow - Flat Pattern (5.0/5), and all 6 are free to download.

IsoTool vs. alternatives
App Rating Price Last updated Compare
IsoTool – Free January 21, 2026
Elbow - Flat Pattern 5.0 / 5 (1) Free Mar 26, 2026 Compare
Sheet Metal Layout: Patterns – Free Sep 20, 2026 Compare
ElbowCalc - Flat Pattern Maker 4.3 / 5 (7) Free Nov 17, 2025 Compare
Fabrication Tools Calculator 4.2 / 5 (6) Free Aug 15, 2025 Compare
Unbend Flat Pattern Calculator – Free Oct 2, 2026 Compare
FabricatorPro: Metal Calc – Free Sep 10, 2026 Compare

Compare IsoTool with the top alternatives: ratings, updates, ASO score and keyword gaps →