ISO Fits & Tolerance Tools
ISO 286 Tolerance & Fits
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
Precision tools for engineers, machinists & CNC professionals
Simplify complex tolerance and fit calculations with a powerful all-in-one engineering toolkit. Whether you're working with ISO, ASME, or GOST standards, this app helps you calculate, select, and analyze fits with speed and accuracy.
KEY FEATURES
Comprehensive Tolerance Reference
- Tolerance values for sizes from 1 mm to 10,000 mm
- Supports ISO 286, ASME B4.1 (ANSI), and GOST standards
- Quick lookup tables for real-world engineering use
Smart Tolerance Calculator
- Find suitable tolerances based on given deviations
- Get multiple tolerance options instantly
- Works across ISO and ASME systems
Fit Selection Made Easy
- Select shaft/hole fits based on size and deviation
- Automatically calculates:
- Clearance (gap)
- Interference (tightness)
- Perfect for design & manufacturing decisions
Advanced Engineering Tools
- Angle tolerance calculations
- Convert taper values to degrees, minutes, seconds
- Built-in triangle calculator
Tolerance Stack-Up Calculator
- Solve dimensional chains using max-min method
- Quickly determine closing dimensions
- All calculations are automatically saved
Casting Tolerances
- Tolerance values based on accuracy class & casting method
- Fully aligned with GOST standards
Shape Tolerances Reference
- Quick guide to geometric tolerances
- Based on ISO 1101 & GOST 2.308
Unit Converter
- Convert millimeters ↔ inches instantly
WHY THIS APP?
- Built for mechanical engineers, CNC programmers & designers
- Combines multiple standards in one place
- Saves time and reduces calculation errors
- Clean, fast, and easy-to-use interface
NOTE
All information provided is for reference purposes only.
In-app purchase Details:
Lifetime Access for ads free version
Privacy Policy : https://visionaso.in/manager/privacypolicy.html
Terms of use : https://visionaso.in/manager/termscondition.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Ashvin Kevadiya, 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
- Provider
- Ashvin Kevadiya
- Size
- 54.6 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Premium 11,99 €
- Copyright
- © @2025
