Walter Feeds & Speeds vs ThreadKing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Walter Feeds & Speeds
This app helps determine optimal feed rate and cutting speed values for various machining operations. It covers turning, drilling, threading, and milling with indexable inserts. Navigate through machining operations, materials, and tool types to find precise values.
- Determine feed rate and cutting speed
- Supports turning, drilling, threading, milling
- Indexable insert tool compatibility
- Intuitive navigation
- Workpiece material selection
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Walter Feeds & Speeds is an intuitive app for determining base feed rate and cutting speed values. The app covers variety of machining operations in the field of Turning-, Drilling-, Threading- and Milling tools with indexable inserts. The intuitive navigation, from machining operation, work piece material, tool type and further parameters, will help you to determining the feed rate and cutting speed values.
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 review sentiment: ThreadKing at 100% against Walter Feeds & Speeds's 40%. ThreadKing also leads on rating (4.7 vs 2.2) and update cadence (every 6 days vs every 6 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 2.2. Both are backed by a comparable volume of ratings — 9 and 13 respectively. Written reviews point the same way: 40% of Walter Feeds & Speeds's written reviews are positive against 100% of ThreadKing's.
Walter Feeds & Speeds ships an update every 6 months, ThreadKing every 6 days. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.
| Parameter | Walter Feeds & Speeds | ThreadKing |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (9 ratings) | 4.7 (13 ratings) — better |
| Positive reviews | 40.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 | 13 — better |
| Update frequency | Every 6 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 | 14.0 | 8.1 — better |
| Further details — not scored | ||
| Size | 159 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Walter-AG | Motionics LLC |
Customer experience
Walter Feeds & Speeds
ThreadKing
In-app purchases
Walter Feeds & Speeds
No in-app purchases
ThreadKing
No in-app purchases
Questions
Is Walter Feeds & Speeds free?
Is ThreadKing free?
Which has better reviews, Walter Feeds & Speeds or ThreadKing?
Do Walter Feeds & Speeds or ThreadKing have ads?
Which is updated more often, Walter Feeds & Speeds or ThreadKing?
Other comparisons
