FSWizard vs ThreadKing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FSWizard
This app is a comprehensive calculator for CNC machinists, simplifying the calculation of speeds and feeds for milling, drilling, and turning operations. It automatically suggests optimal cutting conditions based on material choices and supports advanced features like chip thinning and HSM machining.
- Milling, drilling, and turning speeds and feeds
- Automatic cutting condition suggestions
- Chip thinning and HSM support
- Built-in drill and tap charts (imperial/metric)
- GD&T reference
- Triangle and fillet calculators
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CNC Milling and Turning Speed and Feed Calculator (Wizard) Absolutely the best CNC machinist speed and feed calculator around. Calculate cutting conditions simply by choosing your work and tool material. No need to know any numbers. FSWizard will automatically use recommended cutting speed and chip-load. Made by a machinist for machinists. Improve productivity and optimize cutter life. Supports Chip thinning and HSM machining. Suggests optimum cutting depth and balances cutting parameters. *Milling, drilling, and turning speeds and feeds for various materials. * Built-in Drill and Tap charts for both imperial and metric systems will not leave you looking for one in your toolbox. *Tap drill sizes for most common imperial and metric taps. *Tap drill sizes for BSP and NPT pipe threads. *GD&T Reference *Triangle Calculator will be a great help to anyone who needs to calculate oblique or a right angle triangle *Fillet Calculator will find tangent points to a circle and two lines *Milling Tools available: Solid End-mill, Indexed End-mill, and Face-mill, Solid and indexable drills *Drilling Tools: Jobber Drill, Hi-Performance Parabolic Drill, Spade Drill, Reamer *Turning Tools: Profiling and Grooving Charts: Drill chart, Imperial, Metric, Pipe Tap charts are also included in the free version. FSWizard works with both metric and imperial units. The free version has All major groups of materials.
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 update cadence: ThreadKing at every 6 days against FSWizard's monthly. ThreadKing also leads on review sentiment (100% vs 83%) and iOS requirement (8.1 vs 11.0). FSWizard's advantage is ratings volume (47 vs 12). On price, rating, 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.
On the App Store both sit at effectively the same score — 4.6 for FSWizard against 4.7 for ThreadKing. Both are backed by a comparable volume of ratings — 47 and 12 respectively. Written reviews are what separate them: 83% of FSWizard's written reviews are positive against 100% of ThreadKing's.
FSWizard ships an update monthly, ThreadKing every 6 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | FSWizard | ThreadKing |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (47 ratings) | 4.7 (12 ratings) — better |
| Positive reviews | 83.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 47 — better | 12 |
| Update frequency | Monthly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 | 8.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Eldar Gerfanov | Motionics LLC |
Customer experience
FSWizard
ThreadKing
In-app purchases
FSWizard
No in-app purchases
ThreadKing
No in-app purchases
Questions
Is FSWizard free?
Is ThreadKing free?
Which has better reviews, FSWizard or ThreadKing?
Do FSWizard or ThreadKing have ads?
Which is updated more often, FSWizard or ThreadKing?
Other comparisons
