Comparison

ThreadFon Multi vs CNC Machinist Calculator Ultra

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

Head to head
About

ThreadFon Multi

This tool provides detailed insights into metric, inch, pipe, and trapezoidal cylindrical threads based on ISO and ASME standards. It helps users efficiently determine essential thread specifications for various thread types.

Highlights
  • ISO Metric thread support
  • Unified Inch thread support
  • Pipe thread support
  • Trapezoidal thread support
  • Based on ISO 965 and ASME B1.1 standards
  • Determines fundamental thread parameters
Features
Read full description

This application now supports ISO Metric, Unified Inch, Pipe, and Trapezoidal Thread Tolerances, providing detailed insights into the fundamental parameters of metric, inch, pipe, and trapezoidal cylindrical threads. Built on the ISO 965 standard, ASME/ANSI B1.1 standard, ISO 228, ANSI/ASME B1.20.1, ГОСТ 6357-81, and GOST 24737-81 standard. Designed for precision and ease, this tool helps you efficiently determine essential thread specifications for metric, unified inch, pipe, and trapezoidal threads.

About

CNC Machinist Calculator Ultra

This app provides machinists and engineers with a comprehensive suite of tools for CNC operations. It offers a wide range of calculations for turning, milling, drilling, and more, designed to enhance precision and boost productivity.

Highlights
  • Cutting speed and feed recommendations
  • Tap drill size calculations
  • True position calculations
  • Spindle speed and feed rate conversions
  • Thread mill program generator
  • Angle solving and macro variables
Features
Read full description

Unlock the full potential of your CNC machining operations with CNC Machinist Calculator Ultra, the premier tool designed for machinists, engineers, and anyone involved in machining processes. With our Ultra App, you get access to all the features of the Pro App, plus many new features. Users gain access to an extensive range of calculations and functionalities that streamline workflow, enhance precision, and boost productivity across a variety of machining operations including: turning, milling, drilling, tapping, thread milling, center drilling, broaching, knurling, angle solving, macro variables, GD&T, & more! Comprehensive Calculations Across a wide array of Operations: CNC Machinist Calculator Ultra brings you a breadth of calculations. From optimizing cutting speeds and feeds for different materials to calculating drill sizes for tapping operations, our app ensures you have the precise data needed for any machining task. Lathe and mill operators will find cutting speed recommendations, while drill and tap operations are simplified with detailed speed, feed, and size recommendations. Advanced Functionality for Precision Machining: Our app goes beyond basic calculations. Features like True Position Calculations, Spindle Speed and Feed Rate Conversions, and Metal Removal Rates are designed to enhance the precision and efficiency of your machining operations. Whether you're determining the perfect drill point length or analyzing the effective cut diameter of a ball endmill, CNC Machinist Calculator Ultra equips you with the tools for success. Efficiency and Precision at Your Fingertips: Designed with the machinist in mind, our app's intuitive interface allows for quick access to complex calculations and recommendations, simplifying decision-making and reducing potential errors. With CNC Machinist Calculator Ultra, you're not just working smarter; you're working with precision at the speed of thought. Features Tailored for Every Machining Need: Cutting Speed and Feed Recommendations for a variety of machining operations ensure optimal performance and tool life. Drill Cutting Speed & Feed Recommendations tailor your drilling operations for maximum efficiency. Tap Drill Size Calculations provide accurate pre-tap hole sizing to improve thread quality. True Position Calculations offer precision in the placement of holes and features, crucial for high-quality finished parts. Spindle Speed and Feed Rate Conversions allow for easy adjustments between materials and tools, ensuring your machine settings are always optimal. Drill Point Length and Metal Removal Rate calculations optimize drilling operations, helping to improve overall machining efficiency. Adaptive Feed Control for Side Milling and Ball Endmill Cusp Height calculations enhance the surface finish and precision of your parts. The easy-to-use Thread Mill Program Generator to effortlessly create accurate threading paths for your CNC projects, making threading simpler and more efficient. Use our Gauge Block Stack Calculator to quickly find the right combination of blocks for your projects, simplifying precision measurements and saving time. With our Keyway Broach Program Generator, effortlessly generate custom CNC programs for keyway broaching, streamlining the process and ensuring perfect fits every time. Find Thread dimensional data including special sizes Look up ISO-286 Fit tolerance data Dedicated Support and Continuous Improvements We are committed to continuous improvement, regularly updating our app with the latest machining strategies and features based on user feedback and industry trends. Our dedicated support team is always ready to assist, ensuring you maximize the utility of CNC Machinist Calculator Ultra. By downloading or using CNC Machinist Calculator Ultra, you agree to be bound by Apple’s Standard End-User License Agreement (EULA), which you can review here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ThreadFon Multi4 screens
CNC Machinist Calculator Ultra4 screens

Verdict

The call

The clearest difference is rating: CNC Machinist Calculator Ultra at 4.9 against ThreadFon Multi's 3.2. CNC Machinist Calculator Ultra also leads on update cadence (every 10 days vs monthly) and ratings volume (27 vs 5). ThreadFon Multi's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0.0). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CNC Machinist Calculator Ultra sells 3 in-app purchases, starting at $1.99 per month. ThreadFon Multi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CNC Machinist Calculator Ultra holds the better App Store score, 4.9 against 3.2. That said, the two scores are not equally well evidenced: CNC Machinist Calculator Ultra has 27 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 80% of ThreadFon Multi's written reviews are positive against 85% of CNC Machinist Calculator Ultra's.

UpkeepUpdate frequency

ThreadFon Multi ships an update monthly, CNC Machinist Calculator Ultra every 10 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
ThreadFon Multi versus CNC Machinist Calculator Ultra: the parameters behind the verdict, then further details
ParameterThreadFon MultiCNC Machinist Calculator Ultra
PriceFreeFree
Rating3.2 (5 ratings)4.9 (27 ratings) — better
Positive reviews80.0% of reviews84.6% of reviews — better
Number of ratings527 — better
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0.0
Further details — not scored
Size43 MB93 MB
Age rating4+17+
DeveloperDmitriy TrofimovShane Anderson

Customer experience

ThreadFon Multi

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews10 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

CNC Machinist Calculator Ultra

All ratings27 ratings
Positive96.3%
Neutral0.0%
Negative3.7%
Written reviews13 reviews
Positive84.6%
Neutral7.7%
Negative7.7%

In-app purchases

None

ThreadFon Multi

No in-app purchases

3 purchases

CNC Machinist Calculator Ultra

Subscriptions2
  • Subscription - 1 Month7 Days trial$1.991 Month
  • Subscription - 12 Months7 Days trial$19.991 Year
One-time1
  • Full Access - One Time$39.99

Questions

Is ThreadFon Multi free?
ThreadFon Multi is free to download, with no in-app purchases.
Is CNC Machinist Calculator Ultra free?
CNC Machinist Calculator Ultra is free to download, with in-app purchases available.
Which has better reviews, ThreadFon Multi or CNC Machinist Calculator Ultra?
CNC Machinist Calculator Ultra is rated higher. ThreadFon Multi averages 3.2 out of 5 from 5 ratings, while CNC Machinist Calculator Ultra averages 4.9 from 27 ratings.
Do ThreadFon Multi or CNC Machinist Calculator Ultra have ads?
Neither ThreadFon Multi nor CNC Machinist Calculator Ultra shows ads.
Which is updated more often, ThreadFon Multi or CNC Machinist Calculator Ultra?
ThreadFon Multi ships an update monthly, and CNC Machinist Calculator Ultra every 10 days. Most recently, ThreadFon Multi was updated on October 24, 2026 and CNC Machinist Calculator Ultra on October 27, 2026.

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