Comparison

Thread Calculators vs Machine Utility

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

Head to head
About

Thread Calculators

This app provides precise thread-cutting data for various international standards. It assists machinists, engineers, and CNC professionals in quickly finding essential measurements and detailed tables for thread dimensions and cutting values.

Highlights
  • Supports international thread standards (M, UNC, NPT, etc.)
  • Tap Hole Size Calculator
  • Bolt Diameter Guide
  • Tap Hole Forming Data
  • Tap Hole Repair Values
  • Detailed thread dimension tables
Features
Read full description

Get quick and accurate thread-cutting data with this complete thread calculator app. It supports a wide range of international thread standards, including M, MF, UNC, UNF, UNEF, UNR, UNS, NPT, NPTF, NPSC, NPSF, NPSL, NPSM, BA, BSP, BSF, BSW, BSPP, TR, and TRF. Whether you're a machinist, engineer, or CNC professional, this app helps you find the right measurements instantly. Access detailed tables for thread dimensions and cutting values in one place. Key tools included: - Tap Hole Size Calculator – Find the correct drill size for perfect threading - Bolt Diameter Guide – Quickly check standard bolt dimensions - Tap Hole Forming Data – Accurate values for forming taps - Tap Hole Repair Values – Fix damaged threads with the correct specs This app is your handy companion for fast, reliable, and precise thread-cutting calculations.

About

Machine Utility

Features
Read full description

Machine Utility is the definitive precision tool built specifically for professionals in Mechanical Engineering, machining, and Gearbox Design. Leave the cumbersome reference charts, heavy handbooks, and complex manual formulas behind. Machine Utility streamlines your workflow by delivering instant, highly accurate calculations for gear design and manufacturing directly to your device. Whether you are engineering a complex transmission, setting up a machine tool on the shop floor, or running quality control, this app provides the exact technical data you need to ensure flawless execution and maintain strict manufacturing tolerances. Engineered for reliability, Machine Utility is the essential Machinist Tool that replaces guesswork with mathematical certainty. Key Features: Index Gear Ratio Calculator: Quickly and accurately compute indexing gear setups for complex milling and machining operations. Gear Ratio Calculator: Instantly determine exact Gear Ratio reductions, transmission speeds, and torque multipliers. Gear Dimension Calculation: Calculate complete physical dimensions and geometry for custom gear fabrication with absolute precision. Helical Gear & Pinion Module: Access specialized parameters and geometric calculations for designing and manufacturing Helical Gear sets. Gear Span Measurement: Compute precision measurements over pins or balls to ensure exact tooth thickness and strict quality control.

Screenshots

Thread Calculators4 screens
Machine Utility4 screens

Verdict

The call

The clearest difference is price: Machine Utility at Free against Thread Calculators's $1.99. Machine Utility also leads on update cadence (every 3 months vs every 10 months). Thread Calculators's advantage is iOS requirement (13.0 vs 15.6). On 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

Machine Utility is free to download; Thread Calculators costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Thread Calculators ships an update every 10 months, Machine Utility every 3 months. The most recent releases landed on August 1, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 7 level
Thread Calculators versus Machine Utility: the parameters behind the verdict, then further details
ParameterThread CalculatorsMachine Utility
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size51 MB22 MB
Age rating4+4+
DeveloperKantaben GorasiyaAvishkruti Solutions

In-app purchases

None

Thread Calculators

No in-app purchases

None

Machine Utility

No in-app purchases

Questions

Is Thread Calculators free?
Thread Calculators costs $1.99, with no in-app purchases.
Is Machine Utility free?
Machine Utility is free to download, with no in-app purchases.
Do Thread Calculators or Machine Utility have ads?
Neither Thread Calculators nor Machine Utility shows ads.
Which is updated more often, Thread Calculators or Machine Utility?
Thread Calculators ships an update every 10 months, and Machine Utility every 3 months. Most recently, Thread Calculators was updated on August 1, 2026 and Machine Utility on September 24, 2026.

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