# FSWizard PRO vs Thread Calculator

The clearest difference is review sentiment: FSWizard PRO at 90% against Thread Calculator's 33%. FSWizard PRO also leads on rating (4.8 vs 4.3) and ads (none vs shown). Thread Calculator's advantage is price (Free vs $17.99). On ratings volume, in-app purchases and device support there is nothing between them.

Thread Calculator is free to download; FSWizard PRO costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FSWizard PRO holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 24 and 13 respectively. Written reviews point the same way: 90% of FSWizard PRO's written reviews are positive against 33% of Thread Calculator's.

FSWizard PRO ships an update monthly, Thread Calculator every 18 months. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | FSWizard PRO | Thread Calculator |
| --- | --- | --- |
| Price | $17.99 | **Free** |
| Rating | **[4.8 (24 ratings)](https://appshunter.io/ios/app/fswizard-pro/id774456543/reviews)** | [4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews) |
| Number of ratings | **24** | 13 |
| Positive reviews | **90.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 18 months |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#67** | — |
| Size | 13 MB | 25 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eldar Gerfanov](https://appshunter.io/developer/741521900) | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) |

## What reviewers say

### FSWizard PRO

[App page](https://appshunter.io/ios/app/fswizard-pro/id774456543)

**Currently charting:** #67 Top Paid · Productivity (US App Store)

This app calculates optimal cutting speeds and feeds for CNC milling and turning operations. It supports various materials, tools, and machining techniques like chip thinning and HSM. Includes helpful charts and calculators for machinists.

**Highlights:** CNC milling and turning speed calculator, Material and tool-based cutting condition calculation, Chip thinning and HSM support, Built-in drill and tap charts, GD&T reference, Triangle and fillet calculators

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Thread Calculator

[App page](https://appshunter.io/ios/app/thread-calculator/id1559560290)

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

**Highlights:** Thread cutting calculator for multiple units, Cold forming calculator, Thread repair calculator, Tap hole and bolt diameter calculation, Saves time compared to tables

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FSWizard PRO free?

FSWizard PRO costs $17.99, with no in-app purchases.

### Is Thread Calculator free?

Thread Calculator is free to download, with no in-app purchases.

### Which has better reviews, FSWizard PRO or Thread Calculator?

FSWizard PRO is rated higher. FSWizard PRO averages 4.8 out of 5 from 24 ratings, while Thread Calculator averages 4.3 from 13 ratings.

### Do FSWizard PRO or Thread Calculator have ads?

Thread Calculator shows ads; FSWizard PRO does not.

### Which is updated more often, FSWizard PRO or Thread Calculator?

FSWizard PRO ships an update monthly, and Thread Calculator every 18 months. Most recently, FSWizard PRO was updated on October 8, 2026 and Thread Calculator on September 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.*