Thread Calculators vs Taper Formulas & Tools
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.
Taper Formulas & Tools
This app provides essential machining calculators for taper turning, lathe operations, and angle measurements. It simplifies complex calculations for machinists, engineers, and students, ensuring precision in every task. Supports both metric and imperial units.
- Taper angle calculator
- Diameter calculations
- Length and ratio tools
- Angle calculator
- Metric/imperial support
- Formula references
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Taper Formulas & Tools provides a complete set of machining calculators to help you work faster, smarter, and with greater precision. Whether you're working with taper turning, lathe operations, tooling setups, or angle measurements, this app offers accurate formulas and easy-to-use tools for every machinist. Designed for workshops, mechanical engineers, CNC operators, and students, the app simplifies complex machining mathematics into clear, step-by-step calculations. Key Features: Taper angle calculator, Large end / small end diameter calculations, Length of taper and taper ratio tools, Included angle & half-angle calculator, Metric and imperial unit support, Clear formula references for learning and verification, Fast, accurate, workshop-ready interface, Whether you're machining shafts, tooling, mandrels, or precision taper parts, this app ensures accuracy in every calculation. in-app purchase included Lifetime to Remove Ads Privacy Policy : https://docs.google.com/document/d/1Dn1gNdDP2AHL7sg-px4rxdLAcoGHlNB8/edit#heading=h.1ionsc3v3xmq Terms and Condition : https://docs.google.com/document/d/1t-LREPKByKaM0UkbIo4o0E1gdAYs21Oe30EfGxenEss/edit?usp=sharing
Screenshots
Verdict
The clearest difference is price: Taper Formulas & Tools at Free against Thread Calculators's $1.99. Thread Calculators's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 1). On ratings volume, update cadence, ads 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
Taper Formulas & Tools is free to download; Thread Calculators costs $1.99 up front. Taper Formulas & Tools sells 1 one-off in-app purchase. Thread Calculators asks for nothing beyond the download.
Thread Calculators holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Thread Calculators ships an update every 10 months, Taper Formulas & Tools every 9 months. The most recent releases landed on August 1, 2026 and September 15, 2026 respectively.
| Parameter | Thread Calculators | Taper Formulas & Tools |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 10 months | Every 9 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Kantaben Gorasiya | Nanjibhai Gorasiya |
Customer experience
Thread Calculators
Taper Formulas & Tools
In-app purchases
Thread Calculators
No in-app purchases
Taper Formulas & Tools
- Lifetime premium$9.99
Questions
Is Thread Calculators free?
Is Taper Formulas & Tools free?
Which has better reviews, Thread Calculators or Taper Formulas & Tools?
Do Thread Calculators or Taper Formulas & Tools have ads?
Which is updated more often, Thread Calculators or Taper Formulas & Tools?
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