# Screw Pitch Gauge — Quick Screw Thread Checker

> Quick Screw Thread Checker (iPhone/iPad app by Jun Yamabe.)

- Source: https://appshunter.io/ios/app/screw-pitch-gauge/id6749295527 (this page in markdown: same URL + `.md`)
- Developer: [Jun Yamabe](https://appshunter.io/developer/1732682049)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.4 · 4 MB
- Languages: American English, Arabic, French (France), German (Germany), Indonesian, Japanese, Korean, European Portuguese, Chinese (Simplified, China), European Spanish and 4 more
- Released: 2025-07-31
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/screw-pitch-gauge/id6749295527/reviews.md

## What is Screw Pitch Gauge?

A simple and precise tool to measure thread pitch directly on your iPhone or iPad screen.  

Whether you're fixing your bike, repairing furniture, or doing home DIY, identifying the correct screw thread is essential. This app turns your screen into a digital screw pitch gauge — no physical tools required!

* Features
- 21 Metric Thread Sizes
  - Includes pitches from 0.25 mm to 3.0 mm
  - Clearly drawn zigzag thread shapes for easy matching
- 27 Imperial Thread Sizes (TPI)
  - Covers from 6 TPI to 80 TPI
  - Converts TPI to precise inch-based pitch automatically
- Built-in Ruler
  - Measure screw length and outer diameter in mm or inches
  - Supports calibration using a credit card, A4 paper, or any known-length object
- Calibrate Your Screen
  - Adjust scaling easily to match your specific device and ensure accurate measurements
- DIY Friendly
  - Designed for everyday users, not just professionals
  - Perfect for bike repair, hobby projects, and household fixes
- Minimal Ads
  - Only a small banner at the bottom — no full-screen ads, no interruptions

* Why Use This App?
- Save time guessing thread types or searching for your physical gauge
- Works even when you’re outdoors or on-the-go
- Avoid costly mistakes by choosing the right screw size the first time

* Device Support
- iPhone: Landscape mode only
- iPad: All orientations supported (portrait, landscape, etc.)

Free, simple, and accurate — made for those who want to get the job done without hassle.
Try it now and turn your iPhone or iPad into a smart, pocket-size thread checker.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |



## Version history (last 5 releases)

### 2.0.0 — 2025-11-12

Added an in-app purchase to remove ads.
This purchase removes all advertisements (such as banner ads) displayed in the app.

### 1.1.0 — 2025-10-24

The app name is now available in multiple languages, making it easier to use in more regions.

### 1.0.2 — 2025-09-20

Added localization support for:
- Arabic
- Japanese
- Korean
- Chinese (Simplified)
- Chinese (Traditional)
- Spanish
- Portuguese
- German
- French
- Turkish
- Indonesian
- Thai
- Vietnamese

### 1.0.1 — 2025-08-01

Improved visibility of screw pitch pattern in Dark Mode.

### 1.0 — 2025-07-31

No release notes.

## Apps similar to Screw Pitch Gauge

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Magic Measure - AR Ruler](https://appshunter.io/ios/app/magic-measure-ar-ruler/id6473676395) | — | Free | Utilities |
| [Flying Ruler: 3D Tape Measure](https://appshunter.io/ios/app/flying-ruler-3d-tape-measure/id667579844) | 4.1 (186) | $1.99 | Utilities |
| [Leveler - Level at any Angle](https://appshunter.io/ios/app/leveler-level-at-any-angle/id6451039222) | — | Free | Utilities |
| [Angle Finder - Level Tool](https://appshunter.io/ios/app/angle-finder-level-tool/id6746223864) | 5.0 (3) | Free | Utilities |
| [iVibraMeter](https://appshunter.io/ios/app/ivibrameter/id523474468) | 3.0 (2) | $199.99 | Utilities |
| [Smart Tools Pro - SmartTools](https://appshunter.io/ios/app/smart-tools-pro-smarttools/id762552951) | 3.3 (8) | $0.99 | Utilities |

## More apps by Jun Yamabe

- [Smart Protractor](https://appshunter.io/ios/app/smart-protractor/id6746047543)
- [Color Lens – Color Assist](https://appshunter.io/ios/app/color-lens-color-assist/id6746681077)
- [Japanese Era](https://appshunter.io/ios/app/japanese-era/id6747539110)
- [Caliper&Ruler](https://appshunter.io/ios/app/caliper-and-ruler/id6749051381)
- [World Flags & Facts](https://appshunter.io/ios/app/world-flags-and-facts/id6751833800)

All apps by Jun Yamabe: https://appshunter.io/developer/1732682049

## Related topics

[screw pitch gauge](https://appshunter.io/ios/topics/screw-pitch-gauge) · [slender threads](https://appshunter.io/ios/topics/slender-threads)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*