Comparison

GD&T vs FSWizard

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

Head to head
About

GD&T

Read full description

Learn, interpret and inspect GD&T according to ISO 1101. This app describes a large range of definitions of geometric dimensioning and tolerancing and supports engineers and employees as a multimedia reference book. As part of operative education, this app shows relationships and makes it easier to understand the right handling of form and position tolerances in practice. This app explains the most important definitions of GD&T and its interpretation by examples (straightness, roundness, flatness, cylindricity, profile of a line, parallelism, squareness, angularity, position, concentricity, symmetry, circular runout, …) -25 animations -Basic information -Form tolerance -Profile tolerance -Position tolerance -Orientation tolerance -Runout tolerance

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
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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.

Screenshots

GD&T4 screens
FSWizard4 screens

Verdict

The call

The clearest difference is update cadence: FSWizard at every 5 weeks against GD&T's every 11 months. On price, ads, 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.

UpkeepUpdate frequency

GD&T ships an update every 11 months, FSWizard every 5 weeks. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

Scorecard1 real difference · 9 level
GD&T versus FSWizard: the parameters behind the verdict, then further details
ParameterGD&TFSWizard
PriceFreeFree
Rating—4.6 (47 ratings) — better
Positive reviews—83.9% of reviews
Number of ratings—47 — better
Update frequencyEvery 11 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size56 MB11 MB
Age rating4+4+
DeveloperCarl Zeiss AGEldar Gerfanov

In-app purchases

None

GD&T

No in-app purchases

None

FSWizard

No in-app purchases

Questions

Is GD&T free?
GD&T is free to download, with no in-app purchases.
Is FSWizard free?
FSWizard is free to download, with no in-app purchases.
Do GD&T or FSWizard have ads?
Neither GD&T nor FSWizard shows ads.
Which is updated more often, GD&T or FSWizard?
GD&T ships an update every 11 months, and FSWizard every 5 weeks. Most recently, GD&T was updated on October 26, 2026 and FSWizard on November 1, 2026.

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