# Thread Pitch Calculator vs Thread Gauge

The clearest difference is price: Thread Gauge at Free against Thread Pitch Calculator's $4.99. Thread Gauge also leads on rating (5.0 vs 1.8) and update cadence (every 6 days vs every 51 months). Thread Pitch Calculator's advantage is ratings volume (4 vs 1) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Thread Gauge is free to download; Thread Pitch Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thread Gauge holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Thread Pitch Calculator ships an update every 51 months, Thread Gauge every 6 days. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Thread Pitch Calculator | Thread Gauge |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.8 (4 ratings)](https://appshunter.io/ios/app/thread-pitch-calculator/id1382184074/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thread-gauge/id6781018381/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 6 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 4 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bhavinkumar Satashiya](https://appshunter.io/developer/1361485921) | [Imad Jawad](https://appshunter.io/developer/6781018383) |

## What reviewers say

### Thread Pitch Calculator

[App page](https://appshunter.io/ios/app/thread-pitch-calculator/id1382184074)

Easily measure the thread pitch of various screws and bolts directly on your device's screen. This utility app calibrates automatically to your screen width for accurate measurements of metric, US, NPT, and BSPT threads.

**Highlights:** Measure thread pitch on screen, Automatic screen width calibration, Supports metric thread sizes, Supports US thread sizes, Supports NPT and BSPT threads, Measures metric screw sizes

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

**In-app purchases:** none


### Thread Gauge

[App page](https://appshunter.io/ios/app/thread-gauge/id6781018381)

This app transforms your iPhone into a precise thread measurement tool. Simply photograph a screw next to a reference card to accurately determine its pitch and diameter, identifying the closest standard in both metric and imperial units.

**Highlights:** Measures metric and imperial threads, Identifies closest standard match, Uses reference card for scale, On-screen guidance for photography, Offline processing, no data tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Thread Pitch Calculator free?

Thread Pitch Calculator costs $4.99, with no in-app purchases.

### Is Thread Gauge free?

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

### Which has better reviews, Thread Pitch Calculator or Thread Gauge?

Thread Gauge is rated higher. Thread Pitch Calculator averages 1.8 out of 5 from 4 ratings, while Thread Gauge averages 5.0 from 1 ratings.

### Do Thread Pitch Calculator or Thread Gauge have ads?

Neither Thread Pitch Calculator nor Thread Gauge shows ads.

### Which is updated more often, Thread Pitch Calculator or Thread Gauge?

Thread Pitch Calculator ships an update every 51 months, and Thread Gauge every 6 days. Most recently, Thread Pitch Calculator was updated on September 29, 2026 and Thread Gauge on October 10, 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.*