# FSWizard vs Thread Calculator

The clearest difference is review sentiment: FSWizard at 83% against Thread Calculator's 33%. FSWizard also leads on ads (none vs shown) and update cadence (monthly vs every 18 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FSWizard holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 47 and 13 respectively. Written reviews point the same way: 83% of FSWizard's written reviews are positive against 33% of Thread Calculator's.

FSWizard ships an update monthly, Thread Calculator every 18 months. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FSWizard | Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (47 ratings)](https://appshunter.io/ios/app/fswizard/id741521897/reviews)** | [4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews) |
| Number of ratings | **47** | 13 |
| Positive reviews | **83.3% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 18 months |
| Monetization | **Free** | Ad-supported |
| 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

[App page](https://appshunter.io/ios/app/fswizard/id741521897)

This app is a comprehensive calculator for CNC machinists, simplifying the calculation of speeds and feeds for milling, drilling, and turning operations. It automatically suggests optimal cutting conditions based on material choices and supports advanced features like chip thinning and HSM machining.

**Highlights:** Milling, drilling, and turning speeds and feeds, Automatic cutting condition suggestions, Chip thinning and HSM support, Built-in drill and tap charts (imperial/metric), GD&T reference, Triangle and fillet calculators

**Features:** macOS Compatibility

**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 free?

FSWizard is free to download, 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 or Thread Calculator?

FSWizard is rated higher. FSWizard averages 4.6 out of 5 from 47 ratings, while Thread Calculator averages 4.3 from 13 ratings.

### Do FSWizard or Thread Calculator have ads?

Thread Calculator shows ads; FSWizard does not.

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

FSWizard ships an update monthly, and Thread Calculator every 18 months. Most recently, FSWizard was updated on September 22, 2026 and Thread Calculator on September 9, 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.*