# EF Calculator vs Sorotec App

The clearest difference is update cadence: Sorotec App at every 3 weeks against EF Calculator's every 8 months. EF Calculator's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EF Calculator ships an update every 8 months, Sorotec App every 3 weeks. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | EF Calculator | Sorotec App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 10 MB | 5 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer Praezisionswerkzeuge](https://appshunter.io/developer/1152974581) | [Sorotec GmbH](https://appshunter.io/developer/1668188282) |

## What reviewers say

### EF Calculator

[App page](https://appshunter.io/ios/app/ef-calculator/id1164942213)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sorotec App

[App page](https://appshunter.io/ios/app/sorotec-app/id1668188280)

This app provides CNC milling machine users with tools for selecting and correctly setting milling cutters. It aims to prevent setting errors and answer common questions simply, streamlining the user's workflow.

**Highlights:** Milling cutter selection tools, Correct setting guidance, Error prevention for settings, Answers common CNC questions, Streamlines work processes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EF Calculator free?

EF Calculator is free to download, with no in-app purchases.

### Is Sorotec App free?

Sorotec App is free to download, with no in-app purchases.

### Do EF Calculator or Sorotec App have ads?

Neither EF Calculator nor Sorotec App shows ads.

### Which is updated more often, EF Calculator or Sorotec App?

EF Calculator ships an update every 8 months, and Sorotec App every 3 weeks. Most recently, EF Calculator was updated on October 26, 2026 and Sorotec App on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*