# ThreadFon: Multi-Thread Calc

> Metric, Inch, Pipe & Trapezoidal Thread Tolerances. ISO, ASME and GOST standards

Canonical page: [https://chrome-stats.com/d/a.dev.mobile.threadfon](https://chrome-stats.com/d/a.dev.mobile.threadfon)

## Overview

- **ID:** `a.dev.mobile.threadfon`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Dmitry Trofimov
- **Category:** BOOKS\_AND\_REFERENCE
- **Downloads:** 25,503
- **Version:** 3.0.0
- **Last updated:** 2025-07-26
- **First published:** 2022-02-17
- **Publisher country:** RU
- **Size:** 25 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=a.dev.mobile.threadfon)
- **Privacy policy:** [https://docs.google.com/document/d/1GDl14wlJIpk4CHoaZp\_s9Md\_NAKJiVrZkuAmJL12Ebo/edit?usp=sharing](https://docs.google.com/document/d/1GDl14wlJIpk4CHoaZp_s9Md_NAKJiVrZkuAmJL12Ebo/edit?usp=sharing)

## Description

ThreadFon: Multi-Thread Calc is a comprehensive Chrome extension designed for engineers, machinists, and quality inspectors who require precise thread tolerance calculations. It supports Metric (ISO 965), Unified Inch (ASME/ANSI B1.1), Pipe (ISO 228, ANSI/ASME B1.20.1), and Trapezoidal threads (GOST 6357-81, GOST 24737-81).

The extension enables quick, reliable determination of essential parameters and tolerances, streamlining design and inspection processes. Its standardized approach based on internationally recognized standards ensures accuracy and compliance across various engineering and manufacturing projects.

## Rankings

- #393,396 — Overall

## Permissions and access

### Permissions

- `a.dev.mobile.threadfon.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/a.dev.mobile.threadfon)