Screw Pitch Gauge
Quick Screw Thread Checker
Free · In‑App Purchases · Designed for iPad
Quickly check screw thread pitch with your iPhone.
Includes 21 metric and 27 inch (TPI) scales, plus a built-in ruler with calibration.
Perfect for DIY and repairs.
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.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
Added an in-app purchase to remove ads.
This purchase removes all advertisements (such as banner ads) displayed in the app.
The developer, Jun Yamabe, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Jun Yamabe
- Size
- 4.4 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.4 or later.
- iPhone
Requires iOS 18.4 or later. - iPad
Requires iPadOS 18.4 or later. - Mac
Requires macOS 15.4 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.4 or later.
- Languages
English and 13 more
- English, Arabic, French, German, Indonesian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $2.99
- Copyright
- Copyright © 2025 Jun Yamabe. All rights reserved.