ISO Fits & Tolerance Tools
ISO 286 Tolerance & Fits
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Simplify complex tolerance and fit calculations with a powerful all-in-one engineering toolkit.
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 hasn’t received enough ratings or reviews to display an overview.
Added new engineering tools and improved calculator accuracy
Improved ISO 286-1 hole & shaft tolerance calculations
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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ashvin Kevadiya
- Size
- 47.2 MB
- Category
- Education
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 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+
- Contains
Advertising
- In-App Purchases
Yes
- Lifetime Premium $12.99
- Copyright
- © @2025