Comparison

Machinist Tool 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

Machinist Tool

This app offers machinists and engineers tools and resources for holemaking and finishing applications. It helps convert cutting tool parameters and select the right boring inserts. Users can also access product literature and connect with an engineering helpline.

Highlights
  • Cutting tool parameter conversion
  • Boring insert selection guide
  • Access to product literature
  • Engineering helpline access
  • Holemaking and finishing resources
Features
Read full description

The Machinist Tool from Allied Machine & Engineering provides numerous tools and resources to assist machinists and engineers with their holemaking and finishing applications. Quickly convert cutting tool parameters for the machine inputs you need. The Machinist Tool app also includes Allied’s product literature as well as the Boring Insert Selector that guides you through the selection process to find the right insert for your boring application. For any questions or challenges you have, Allied Machine & Engineering is a phone call away. An Engineering Helpline button is conveniently located at the bottom of your screen. With one touch, you’ll be connected to an application engineer who is standing by, ready to help.

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

Machinist Tool4 screens
Thread Calculator4 screens

Verdict

The call

The clearest difference is ads: Machinist Tool at none against Thread Calculator's shown. Machinist Tool also leads on update cadence (weekly vs every 18 months) and monetization model (free vs ad-supported). Thread Calculator's advantage is review sentiment (33% vs 0%). On price, rating, ratings volume 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 4.2. Both are backed by a comparable volume of ratings — 6 and 14 respectively. Written reviews point the same way: 0% of Machinist Tool's written reviews are positive against 33% of Thread Calculator's.

UpkeepUpdate frequency

Machinist Tool ships an update weekly, Thread Calculator every 18 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Machinist Tool versus Thread Calculator: the parameters behind the verdict, then further details
ParameterMachinist ToolThread Calculator
PriceFreeFree
Rating4.2 (6 ratings)4.4 (14 ratings) — better
Positive reviews0.0% of reviews33.3% of reviews — better
Number of ratings614 — better
Update frequencyWeekly — betterEvery 18 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size40 MB25 MB
Age rating4+4+
DeveloperAllied Machine & Engineering Corp.GSR Gustav Stursberg GmbH

Customer experience

Machinist Tool

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Thread Calculator

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

In-app purchases

None

Machinist Tool

No in-app purchases

None

Thread Calculator

No in-app purchases

Questions

Is Machinist Tool free?
Machinist Tool 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, Machinist Tool or Thread Calculator?
Thread Calculator is rated higher. Machinist Tool averages 4.2 out of 5 from 6 ratings, while Thread Calculator averages 4.4 from 14 ratings.
Do Machinist Tool or Thread Calculator have ads?
Thread Calculator shows ads; Machinist Tool does not.
Which is updated more often, Machinist Tool or Thread Calculator?
Machinist Tool ships an update weekly, and Thread Calculator every 18 months. Most recently, Machinist Tool was updated on October 24, 2026 and Thread Calculator on October 24, 2026.

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