Comparison

Helix Angle Calculator vs Taper Formulas & Tools

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

Head to head
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.

About

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.

Highlights
  • Taper angle calculator
  • Diameter calculations
  • Length and ratio tools
  • Angle calculator
  • Metric/imperial support
  • Formula references
Features
Read full description

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

Helix Angle Calculator4 screens
Taper Formulas & Tools4 screens

Verdict

The call

The clearest difference is in-app purchases: Helix Angle Calculator at none against Taper Formulas & Tools's 1. Helix Angle Calculator also leads on update cadence (weekly vs every 9 months). On price, ads, device support and iOS requirement 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. Taper Formulas & Tools sells 1 one-off in-app purchase. Helix Angle Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Helix Angle Calculator ships an update weekly, Taper Formulas & Tools every 9 months. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 7 level
Helix Angle Calculator versus Taper Formulas & Tools: the parameters behind the verdict, then further details
ParameterHelix Angle CalculatorTaper Formulas & Tools
PriceFreeFree
Rating—4.5 (2 ratings) — better
Number of ratings—2 — better
Update frequencyWeekly — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.6 — better
Further details — not scored
Size8 MB33 MB
Age rating4+4+
DeveloperSmiCut ABNanjibhai Gorasiya

In-app purchases

None

Helix Angle Calculator

No in-app purchases

1 purchases

Taper Formulas & Tools

One-time1
  • Lifetime premium$9.99

Questions

Is Helix Angle Calculator free?
Helix Angle Calculator is free to download, with no in-app purchases.
Is Taper Formulas & Tools free?
Taper Formulas & Tools is free to download, with in-app purchases available.
Do Helix Angle Calculator or Taper Formulas & Tools have ads?
Neither Helix Angle Calculator nor Taper Formulas & Tools shows ads.
Which is updated more often, Helix Angle Calculator or Taper Formulas & Tools?
Helix Angle Calculator ships an update weekly, and Taper Formulas & Tools every 9 months. Most recently, Helix Angle Calculator was updated on October 28, 2026 and Taper Formulas & Tools on November 5, 2026.

Other comparisons