Comparison

FSWizard vs CNC Machinist Calculator Pro

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

CNC Machinist Calculator Pro

This app provides a comprehensive suite of calculators and tools for CNC machinists, engineers, and hobbyists. It offers specialized calculations for turning, milling, drilling, threading, and geometric tolerances, along with material data and G-code generation.

Highlights
  • Turning, Milling, and Drilling Calculators
  • Thread and Bolt Pattern Calculators
  • Geometric Tolerance (GD&T) Tools
  • Material Property and Weight Calculator
  • G-code Export for Chamfers and Tapers
  • Unit and Hardness Converters
  • Machinist Forum and Test
Features
Read full description

CNC Machinist Calculator Pro is a machining calculator designed for manufacturing engineers, machinists, CNC operators, tool & die makers, and at home hobbyists. CNC Machinist Calculator Pro is great for CNC programmers or machine operators who need to make quick calculations on the fly. It's also a great tool for quoting new work. Visit www.cncdirt.com for more info This CNC machining calculator app includes the following features: 1. Turning Calculators for lathe operators *Cutting Speed Calculation by Material *Grooving/Cut off cycle time Calculation *Rough turn cycle time Calculation *Cutting Speed Calculations *Cutting speed to RPM conversions *Feed per rev - Feed per minute conversions 2. Milling Calculators for mill operators *Cutting Speed & Feed Calculation by Material *RPM to Cutting Speed Conversions *Feed per Minute - Feed per tooth Conversions *Radial Chip Thinning Calculation *Metal Removal rate Calculation *Milling cut time Calculation *Circle Milling Calculations - Both inner & outer *Ball Mill Cusp Height Calculation *Ball Mill Effective diameter/Chip Thinning Calculator *Thread Milling Calculations - Both inner & outer 3. Drilling Calculators *Cutting Speed Calculation by material *Cycle time calculation *Drill point Length calculation 4. Gun drilling Calculators *Cutting Speed Calculation by material *Cycle time calculation 5. Thread Calculators 6. True Position Calculators 7. Bolt Pattern Calculators 8. Surface Finish Calculators 9. Drill & Tap charts 10. Thread data for the following threads: * 60° Threads (Pitch Ø, Minor Ø, Major Ø, Helix, Lead, etc.) * NPT Threads * Acme Threads * STI Threads 11. Thread over 3 wire info (Size limits, min, max, & best wire) 12. Center drill dimensions 13. Unit converter 14. Hardness conversions 15. G-codes 16. M-codes 17. Blue Print Geometric Tolerance Descriptors - GD&T 18. SFM calculator for drilling, milling, & turning over 170 materials 19. Tap Drill Calculator for roll form & cut taps 20. Various Geometric calculators 21. Triangle Solver 22. CNC keyway calculator 23. Custom macro variables, logic, arguments, & arithmetic data 24. Machinist Forum 25. Export G-code for internal & external chamfers, tapers, & radii with tool nose comp. 26. Circle segment calculator ( arc calculator ) 27. National Pipe Thread data - NPT threads 28. Material Property Search with machinability info 29. Material Weight Calculator for over 170 materials & 10 shapes 30. Tool Wear section with images helpful info to improve tool life 31. Machinist Test with 6 categories to test your strengths & weaknesses 32. Socket Head Cap Screw hole dimensions 33. Scientific Calculator which includes: * sine (sin) * cosine (cos) * tangent (tan) * arcsine (sin-1) * arccosine (cos-1) * arctangent (tan-1) * square (x²) * cube (x³) * pi (π) * square root (√) * base 10 logarithm (log) * exponential function (ex) * natural logarithm (In). 34. Linear Thermal Expansion Calculator 35. Grinding Calculations * Plunge Grind - Q Prime, grit penetration & aggressiveness * Surface Grind - Q Prime, grit penetration & aggressiveness * Grinding Wheel Velocity * Work piece Velocity * Work piece RPM to wheel RPM ratio cylindricity error calculator * Wheel Mesh (Grit) size conversion * Equivalent wheel diameter 36. More to come... We're quickly becoming the best engineering calculator on the market Check us out at www.cncdirt.com

Screenshots

FSWizard4 screens
CNC Machinist Calculator Pro4 screens

Verdict

The call

The clearest difference is price: FSWizard at Free against CNC Machinist Calculator Pro's $14.99. CNC Machinist Calculator Pro's advantage is ratings volume (681 vs 47) and iOS requirement (12.2 vs 15.0). On rating, review sentiment, update cadence and ads 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

FSWizard is free to download; CNC Machinist Calculator Pro costs $14.99 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 — 4.6 for FSWizard against 4.7 for CNC Machinist Calculator Pro. That said, the two scores are not equally well evidenced: CNC Machinist Calculator Pro has 681 ratings behind it against 47, so its average is the more settled of the two. Written reviews split almost evenly too, at 84% and 84% positive.

UpkeepUpdate frequency

FSWizard ships an update every 5 weeks, CNC Machinist Calculator Pro every 2 months. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
FSWizard versus CNC Machinist Calculator Pro: the parameters behind the verdict, then further details
ParameterFSWizardCNC Machinist Calculator Pro
PriceFree — better$14.99
Rating4.6 (47 ratings)4.7 (681 ratings) — better
Positive reviews83.9% of reviews83.9% of reviews
Number of ratings47681 — better
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.2 — better
Further details — not scored
Size11 MB47 MB
Age rating4+4+
DeveloperEldar GerfanovShane Anderson

Customer experience

FSWizard

All ratings47 ratings
Positive89.4%
Neutral10.6%
Negative0.0%
Written reviews31 reviews
Positive83.9%
Neutral9.7%
Negative6.5%

CNC Machinist Calculator Pro

All ratings679 ratings
Positive95.4%
Neutral1.9%
Negative2.7%
Written reviews87 reviews
Positive83.9%
Neutral6.9%
Negative9.2%

Bugs and requests

FSWizard

Not enough reviews yet to summarise bugs or requests.

CNC Machinist Calculator Pro

Reported bugs

3 issues
  • Bolt hole calculations incorrect
  • Thermal expansion option not working properly
  • Compatibility issues with newer iPhone models

Requested features

9 requests
  • Cylindrical grinding calculator
  • Tool nose compensation for lathe
  • Acme thread calculator
  • G2/G3 configuration for milling
  • Drill point length calculator
Show 4 more
  • Keensert and Helicoil drill/tap data
  • G and M code dictionary
  • Ceramic tool material support
  • Carbon fiber, fiberglass, and common plastics in feeds/speeds

In-app purchases

None

FSWizard

No in-app purchases

None

CNC Machinist Calculator Pro

No in-app purchases

Questions

Is FSWizard free?
FSWizard is free to download, with no in-app purchases.
Is CNC Machinist Calculator Pro free?
CNC Machinist Calculator Pro costs $14.99, with no in-app purchases.
Which has better reviews, FSWizard or CNC Machinist Calculator Pro?
CNC Machinist Calculator Pro is rated higher. FSWizard averages 4.6 out of 5 from 47 ratings, while CNC Machinist Calculator Pro averages 4.7 from 681 ratings.
Do FSWizard or CNC Machinist Calculator Pro have ads?
Neither FSWizard nor CNC Machinist Calculator Pro shows ads.
Which is updated more often, FSWizard or CNC Machinist Calculator Pro?
FSWizard ships an update every 5 weeks, and CNC Machinist Calculator Pro every 2 months. Most recently, FSWizard was updated on November 1, 2026 and CNC Machinist Calculator Pro on November 1, 2026.

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