Comparison

Walter Machining Calculator 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

Walter Machining Calculator

Calculate machining time, power, torque, and cutting force for various operations. Compare existing tools with new ones to project potential savings.

Highlights
  • Calculate machining time, power, and torque
  • Determine cutting force and metal removal rate
  • Support for milling, drilling, boring, turning, and grooving
  • Thread tapping, forming, and milling calculations
  • Material selection for calculations
  • Savings calculator for tool comparison
Features
Read full description

Walter Machining Calculator Helps the user to calculate machining time, power, torque, cutting force, metal removal rate and chip thickness in a variety of machining operations, like Shoulder-, Face- and Slot-Milling, Drilling, Boring, Turning and Grooving, Thread Tapping, -Forming and -Milling, by selecting the material to machine and entering different machining parameters. With the Savings Calculator the user can also compare existing tool with a new tool and calculate projected savings.

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

Walter Machining Calculator3 screens
Thread Calculator4 screens

Verdict

The call

The clearest difference is rating: Thread Calculator at 4.4 against Walter Machining Calculator's 3.0. Thread Calculator also leads on iOS requirement (15.0 vs 18.0). Walter Machining Calculator's advantage is ads (none vs shown) and review sentiment (63% vs 33%). On price, ratings volume, update cadence 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

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

ReceptionRating · Positive reviews · Number of ratings

Thread Calculator holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 5 and 14 respectively. Written reviews complicate that: 63% of Walter Machining Calculator's written reviews are positive against 33% of Thread Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Walter Machining Calculator ships an update every 19 months, Thread Calculator every 18 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Walter Machining Calculator versus Thread Calculator: the parameters behind the verdict, then further details
ParameterWalter Machining CalculatorThread Calculator
PriceFreeFree
Rating3.0 (5 ratings)4.4 (14 ratings) — better
Positive reviews62.9% of reviews — better33.3% of reviews
Number of ratings514 — better
Update frequencyEvery 19 monthsEvery 18 months — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size95 MB25 MB
Age rating4+4+
DeveloperWalter-AGGSR Gustav Stursberg GmbH

Customer experience

Walter Machining Calculator

All ratings5 ratings
Positive40.0%
Neutral20.0%
Negative40.0%
Written reviews35 reviews
Positive62.9%
Neutral5.7%
Negative31.4%

Thread Calculator

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

In-app purchases

None

Walter Machining Calculator

No in-app purchases

None

Thread Calculator

No in-app purchases

Questions

Is Walter Machining Calculator free?
Walter Machining Calculator 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, Walter Machining Calculator or Thread Calculator?
Thread Calculator is rated higher. Walter Machining Calculator averages 3.0 out of 5 from 5 ratings, while Thread Calculator averages 4.4 from 14 ratings.
Do Walter Machining Calculator or Thread Calculator have ads?
Thread Calculator shows ads; Walter Machining Calculator does not.
Which is updated more often, Walter Machining Calculator or Thread Calculator?
Walter Machining Calculator ships an update every 19 months, and Thread Calculator every 18 months. Most recently, Walter Machining Calculator was updated on October 23, 2026 and Thread Calculator on October 24, 2026.

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