Comparison

Thread Calculators vs Helix Angle Calculator

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

Helix Angle Calculator

Features
Read full description

Precision Threading, Simplified Helix Angle Calculator is a fast, free solution for calculating helix angles and selecting the correct anvil (insert shim) for any CNC thread-turning operation. Key Features - One-step calculations – Enter thread diameter and pitch, tap “Calculate,” and you’re done. - Accurate anvil selection – Choose your threading insert type and instantly receive the recommended anvil part number. - Metric and imperial support – Switch effortlessly between mm and TPI. - Offline functionality – No internet required, ideal for shop floor environments. - Multilingual interface – Available in Bahasa Indonesia, Dansk, Deutsch, English, Español, Français, Italiano, Magyar, Nederlands, Polski, Svenska, 繁體中文, 简体中文, 日本語 and 한국어.   Completely free – No ads, no sign-up, just practical tooling knowledge. How It Works 1. Enter the thread’s diameter. 2. Specify the pitch. 3. Select your insert code (e.g., 16ER, 22IR). 4. Instantly view the calculated helix angle and recommended anvil. Expert Guidance Included The app includes safety notes, multi-start thread considerations, and a direct link to a detailed guide on helix angles in thread turning—perfect for both experienced machinists and apprentices. Disclaimer All calculations are provided for reference purposes only. Always verify tooling parameters before machining. SmiCut assumes no responsibility for application results. Enhance precision, extend tool life, and streamline production—download Helix Angle Calculator today.

Screenshots

Thread Calculators4 screens
Helix Angle Calculator4 screens

Verdict

The call

The clearest difference is price: Helix Angle Calculator at Free against Thread Calculators's $1.99. Helix Angle Calculator also leads on update cadence (every 5 days vs every 10 months). Thread Calculators's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On ads 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

Helix Angle Calculator 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, Helix Angle Calculator every 5 days. The most recent releases landed on August 1, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 6 level
Thread Calculators versus Helix Angle Calculator: the parameters behind the verdict, then further details
ParameterThread CalculatorsHelix Angle Calculator
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 10 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size51 MB2 MB
Age rating4+4+
DeveloperKantaben GorasiyaSmiCut AB

In-app purchases

None

Thread Calculators

No in-app purchases

None

Helix Angle Calculator

No in-app purchases

Questions

Is Thread Calculators free?
Thread Calculators costs $1.99, with no in-app purchases.
Is Helix Angle Calculator free?
Helix Angle Calculator is free to download, with no in-app purchases.
Do Thread Calculators or Helix Angle Calculator have ads?
Neither Thread Calculators nor Helix Angle Calculator shows ads.
Which is updated more often, Thread Calculators or Helix Angle Calculator?
Thread Calculators ships an update every 10 months, and Helix Angle Calculator every 5 days. Most recently, Thread Calculators was updated on August 1, 2026 and Helix Angle Calculator on September 8, 2026.

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