Comparison

FSWizard vs Thread Calculator

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

Thread Calculator

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

Highlights
  • Thread cutting calculator for multiple units
  • Cold forming calculator
  • Thread repair calculator
  • Tap hole and bolt diameter calculation
  • Saves time compared to tables
Features
Read full description

The app includes: - A calculator for thread cutting for the following units: M, MF, UNC, UNEF, UNF, UNR, UNS, NPT, NPTF, NPSC, NPSF, NPSL, NPSM, BA, BSP, BSF, BSW, BSPP, TR, and TRF - A calculator for cold forming - A calculator for thread repair You want to know which tap hole you should drill for threading or which bolt you should use? With this app, you will find the desired measures in no time: Simply select the desired thread type, nominal size, and pitch and you will get the matching diameter for your project. This saves precious time you would have spent tediously searching for internal and external thread dimensions in tables. As this app is still in its development phase, new features will follow soon, so stay tuned! GSR Gustav Stursberg GmbH is a manufacturer for high-quality thread cutting tools with 130 years of operational experience in the area of threading tool production. The product portfolio includes a wide selection of tools for different areas of application. GSR taps, twist drills, round dies, and tool holders are manufactured to the highest quality standards in our own production facilities. The constant quality control during the production process guarantees a consistent good quality in all national as well as international production facilities. This requires enormous precision, which is reflected by our tools. Precision is in the details. Since 1889.

Screenshots

FSWizard4 screens
Thread Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: FSWizard at 83% against Thread Calculator's 33%. FSWizard also leads on ads (none vs shown) and update cadence (monthly vs every 18 months). On price, in-app purchases and device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FSWizard holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 47 and 13 respectively. Written reviews point the same way: 83% of FSWizard's written reviews are positive against 33% of Thread Calculator's.

UpkeepUpdate frequency

FSWizard ships an update monthly, Thread Calculator every 18 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

Scorecard7 real differences · 3 level
FSWizard versus Thread Calculator: the parameters behind the verdict, then further details
ParameterFSWizardThread Calculator
PriceFreeFree
Rating4.6 (47 ratings) — better4.3 (13 ratings)
Positive reviews83.3% of reviews — better33.3% of reviews
Number of ratings47 — better13
Update frequencyMonthly — betterEvery 18 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size13 MB25 MB
Age rating4+4+
DeveloperEldar GerfanovGSR Gustav Stursberg GmbH

Customer experience

FSWizard

All ratings47 ratings
Positive89.4%
Neutral10.6%
Negative0.0%
Written reviews30 reviews
Positive83.3%
Neutral10.0%
Negative6.7%

Thread Calculator

All ratings13 ratings
Positive84.6%
Neutral7.7%
Negative7.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

FSWizard

No in-app purchases

None

Thread Calculator

No in-app purchases

Questions

Is FSWizard free?
FSWizard is free to download, with no in-app purchases.
Is Thread Calculator free?
Thread Calculator is free to download, with no in-app purchases.
Which has better reviews, FSWizard or Thread Calculator?
FSWizard is rated higher. FSWizard averages 4.6 out of 5 from 47 ratings, while Thread Calculator averages 4.3 from 13 ratings.
Do FSWizard or Thread Calculator have ads?
Thread Calculator shows ads; FSWizard does not.
Which is updated more often, FSWizard or Thread Calculator?
FSWizard ships an update monthly, and Thread Calculator every 18 months. Most recently, FSWizard was updated on September 22, 2026 and Thread Calculator on September 9, 2026.

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