Walter Machining Calculator vs EF Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Walter Machining Calculator
Calculate machining time, power, torque, and cutting force for various operations. Compare existing tools with new ones to project potential savings.
- Calculate machining time, power, and torque
- Determine cutting force and metal removal rate
- Support for milling, drilling, boring, turning, and grooving
- Thread tapping, forming, and milling calculations
- Material selection for calculations
- Savings calculator for tool comparison
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Walter Machining Calculator Helps the user to calculate machining time, power, torque, cutting force, metal removal rate and chip thickness in a variety of machining operations, like Shoulder-, Face- and Slot-Milling, Drilling, Boring, Turning and Grooving, Thread Tapping, -Forming and -Milling, by selecting the material to machine and entering different machining parameters. With the Savings Calculator the user can also compare existing tool with a new tool and calculate projected savings.
EF Calculator
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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.
Screenshots
Verdict
The clearest difference is update cadence: EF Calculator at every 8 months against Walter Machining Calculator's every 19 months. EF Calculator also leads on iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Walter Machining Calculator ships an update every 19 months, EF Calculator every 8 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.
| Parameter | Walter Machining Calculator | EF Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) — better | — |
| Positive reviews | 62.9% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 19 months | Every 8 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Walter-AG | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer Praezisionswerkzeuge |
In-app purchases
Walter Machining Calculator
No in-app purchases
EF Calculator
No in-app purchases
Questions
Is Walter Machining Calculator free?
Is EF Calculator free?
Do Walter Machining Calculator or EF Calculator have ads?
Which is updated more often, Walter Machining Calculator or EF Calculator?
Other comparisons
