Walter Machining Calculator vs ThreadKing
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.
ThreadKing
This app serves as a comprehensive reference and calculator for various thread types and dimensions. It provides detailed information on Metric and UN threads, including tap sizes and thread calculations for cutting and forming taps. Users can also find drill size charts and calculate RPM and feed rates for different materials.
- Metric and UN thread reference
- Drill/Tap size charts
- Pipe thread information
- Cutting tap calculator
- Forming tap calculator
- RPM and feed rate calculator
- Thread dimension details
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ThreadKing is the ultimate reference and calculator for threads. It contains all the information for Metric and UN Taps, Fine/Course Threads, Drill/Tap sizes, Pipe Tap sizes, and Thread Dimension. ThreadKing is also a handy calculator for finding the right drill size in Cutting Tap and Forming Tap based on Thread Percentage. Besides, it calculates RPM and feed rates in Cutting Tap for different materials FEATURES: - Drill/Tap Chart available in drill size standards: Fractional, Letter, Wire Gauge and Metric - Course and Fine Thread - Pipe Thread Chart - Cutting Tap Calculator based on Thread Percentage - Forming Tap Calculator based on Thread Percentage - Cut Tapping RPM and Feed Rate Calculator - Thread Dimension Information: Major Dia, Pitch Dia, Minor Dia, Pitch, Thread Height, Threads per Inch - Formular and Equations for Reference
Screenshots
Verdict
The clearest difference is rating: ThreadKing at 4.7 against Walter Machining Calculator's 3.0. ThreadKing also leads on review sentiment (100% vs 63%) and update cadence (every 6 days vs every 18 months). On price, ratings volume, ads and in-app purchases 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.
ThreadKing holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 5 and 13 respectively. Written reviews point the same way: 63% of Walter Machining Calculator's written reviews are positive against 100% of ThreadKing's.
Walter Machining Calculator ships an update every 18 months, ThreadKing every 6 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.
| Parameter | Walter Machining Calculator | ThreadKing |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) | 4.7 (13 ratings) — better |
| Positive reviews | 62.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 | 13 — better |
| Update frequency | Every 18 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 8.1 — better |
| Further details — not scored | ||
| Size | 84 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Walter-AG | Motionics LLC |
Customer experience
Walter Machining Calculator
ThreadKing
In-app purchases
Walter Machining Calculator
No in-app purchases
ThreadKing
No in-app purchases
Questions
Is Walter Machining Calculator free?
Is ThreadKing free?
Which has better reviews, Walter Machining Calculator or ThreadKing?
Do Walter Machining Calculator or ThreadKing have ads?
Which is updated more often, Walter Machining Calculator or ThreadKing?
Other comparisons
