# EF Calculator

> EF Calculator (iPhone/iPad app by EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer Praezisionswerkzeuge.)

- Source: https://appshunter.io/ios/app/ef-calculator/id1164942213 (this page in markdown: same URL + `.md`)
- Developer: [EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer Praezisionswerkzeuge](https://appshunter.io/developer/1152974581)
- Category: Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 10 MB
- Languages: German
- Released: 2017-01-06
- Data updated: 2026-05-23
- User reviews in markdown: https://appshunter.io/ios/app/ef-calculator/id1164942213/reviews.md

## What is EF Calculator?

This App calculates cutting data for Twist Drills, Taps, Cold Forming Taps, Thread Milling Cutters and Milling Cutters.
For the collet holder EMUGE Speedsynchro® and for FRANKEN Circle Segment End Mills is a Return-on-Investment-Calculator installed. It enables a comparison of cost and time against conventional machining processes.


## Version history (last 4 releases)

### 1.7.4 — 2023-02-14

Extension of the calculations for milling and minor error corrections.

### 1.6.1 — 2017-09-22

This app has been updated by Apple to display the Apple Watch app icon.

Bugfix Release

### 1.4.0 — 2017-01-17

performance optimisation

### 1.3.0 — 2017-01-06

No release notes.

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## More apps by EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer Praezisionswerkzeuge

- [EF Catalogues · Kataloge](https://appshunter.io/ios/app/ef-catalogues-kataloge/id1152974582)
- [EF Speedsynchro](https://appshunter.io/ios/app/ef-speedsynchro/id1478395972)

All apps by EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer Praezisionswerkzeuge: https://appshunter.io/developer/1152974581

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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 2026-05-23.*