# ThreadFon Multi vs CNC Machinist Calculator Ultra

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.

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.

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.

ThreadFon Multi ships an update monthly, CNC Machinist Calculator Ultra every 10 days. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ThreadFon Multi | CNC Machinist Calculator Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/threadfon-multi-thread-calc/id1602169811/reviews) | **[4.9 (27 ratings)](https://appshunter.io/ios/app/cnc-machinist-calculator-ultra/id6474093839/reviews)** |
| Number of ratings | 5 | **27** |
| Positive reviews | 80.0% of reviews | **84.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 43 MB | 93 MB |
| Requires iOS | **12.0** | 15.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Dmitriy Trofimov](https://appshunter.io/developer/1598378710) | [Shane Anderson](https://appshunter.io/developer/1037668280) |

## What reviewers say

### ThreadFon Multi

[App page](https://appshunter.io/ios/app/threadfon-multi-thread-calc/id1602169811)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CNC Machinist Calculator Ultra

[App page](https://appshunter.io/ios/app/cnc-machinist-calculator-ultra/id6474093839)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription - 1 Month | $1.99 | per month |
| Subscription - 12 Months | $19.99 | per year |
| Full Access - One Time | $39.99 | one-time |


## Frequently asked 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 30, 2026 and CNC Machinist Calculator Ultra on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*