Thread Calculators vs Machine Utility
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Machine Utility
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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
Verdict
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
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.
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.
| Parameter | Thread Calculators | Machine Utility |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Kantaben Gorasiya | Avishkruti Solutions |
In-app purchases
Thread Calculators
No in-app purchases
Machine Utility
No in-app purchases
Questions
Is Thread Calculators free?
Is Machine Utility free?
Do Thread Calculators or Machine Utility have ads?
Which is updated more often, Thread Calculators or Machine Utility?
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