# IsoTool — Flat pattern for pipes & bends

> Flat pattern for pipes & bends (iPhone/iPad app by Kim Mathiesen.)

- Source: https://appshunter.io/ios/app/isotool/id6754553989 (this page in markdown: same URL + `.md`)
- Developer: [Kim Mathiesen](https://appshunter.io/developer/1747184979)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 4 MB
- Languages: Danish
- Released: 2026-01-21
- Data updated: 2026-07-05
- User reviews in markdown: https://appshunter.io/ios/app/isotool/id6754553989/reviews.md

## What is 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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |



## Version history (last 1 release)

### 1.0 — 2026-01-21

No release notes.

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| [Triangle Calc A](https://appshunter.io/ios/app/triangle-calc-a/id1582200016) | — | $0.99 | Productivity |
| [Elbow - Flat Pattern](https://appshunter.io/ios/app/elbow-flat-pattern/id6471258565) | — | Free | Productivity |
| [ElbowCalc - Flat Pattern Maker](https://appshunter.io/ios/app/elbowcalc-flat-pattern-maker/id6753796014) | 4.5 (2) | Free | Productivity |

## More apps by Kim Mathiesen

- [The Cover Letter AI](https://appshunter.io/ios/app/the-cover-letter-ai/id6748743825)

All apps by Kim Mathiesen: https://appshunter.io/developer/1747184979

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-05.*