Comparison

FSWizard PRO vs ThreadKing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FSWizard PRO

This app calculates optimal cutting speeds and feeds for CNC milling and turning operations. It supports various materials, tools, and machining techniques like chip thinning and HSM. Includes helpful charts and calculators for machinists.

Highlights
  • CNC milling and turning speed calculator
  • Material and tool-based cutting condition calculation
  • Chip thinning and HSM support
  • Built-in drill and tap charts
  • GD&T reference
  • Triangle and fillet calculators
Features
Read full description

CNC Milling and Turning Speed and 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 Endmill, Indexed Endmill, and Facemill, 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. Please visit: https://hsmadvisor.com/?page=help&article_id=4811_supported-materials-list For a list of workpiece materials available in the PRO version

About

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.

Highlights
  • 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
Features
Read full description

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

FSWizard PRO4 screens
ThreadKing4 screens

Verdict

The call

The clearest difference is price: ThreadKing at Free against FSWizard PRO's $17.99. ThreadKing also leads on update cadence (every 6 days vs monthly) and review sentiment (100% vs 90%). FSWizard PRO's advantage is chart position (#153 vs unranked). On rating, 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

CostPrice · In-app purchases · Ads · Monetization

ThreadKing is free to download; FSWizard PRO costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for FSWizard PRO against 4.7 for ThreadKing. Both are backed by a comparable volume of ratings — 24 and 12 respectively. Written reviews are what separate them: 90% of FSWizard PRO's written reviews are positive against 100% of ThreadKing's.

UpkeepUpdate frequency

FSWizard PRO ships an update monthly, ThreadKing every 6 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 5 level
FSWizard PRO versus ThreadKing: the parameters behind the verdict, then further details
ParameterFSWizard PROThreadKing
Price$17.99Free — better
Rating4.8 (24 ratings) — better4.7 (12 ratings)
Positive reviews90.0% of reviews100.0% of reviews — better
Number of ratings24 — better12
Update frequencyMonthlyEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#153 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.08.1 — better
Further details — not scored
Size13 MB7 MB
Age rating4+4+
DeveloperEldar GerfanovMotionics LLC

Customer experience

FSWizard PRO

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews20 reviews
Positive90.0%
Neutral5.0%
Negative5.0%

ThreadKing

All ratings12 ratings
Positive91.7%
Neutral8.3%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

FSWizard PRO

No in-app purchases

None

ThreadKing

No in-app purchases

Questions

Is FSWizard PRO free?
FSWizard PRO costs $17.99, with no in-app purchases.
Is ThreadKing free?
ThreadKing is free to download, with no in-app purchases.
Which has better reviews, FSWizard PRO or ThreadKing?
FSWizard PRO is rated higher. FSWizard PRO averages 4.8 out of 5 from 24 ratings, while ThreadKing averages 4.7 from 12 ratings.
Do FSWizard PRO or ThreadKing have ads?
Neither FSWizard PRO nor ThreadKing shows ads.
Which is updated more often, FSWizard PRO or ThreadKing?
FSWizard PRO ships an update monthly, and ThreadKing every 6 days. Most recently, FSWizard PRO was updated on October 8, 2026 and ThreadKing on October 9, 2026.

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