Tolerance Helper app icon

Apps Like Tolerance Helper for iPhone and iPad

Calculate tolerances for holes and shafts

Calculate dimensions with ISO standard tolerances for holes and shafts. Input size and class to determine limits. Reference complete tables for standard intervals. Support for both hole and shaft designations.

by Dmitriy Trofimov★ 0.00 ratingsReferenceFreeData updated 2026-09-06

Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

  1. Iowa Police Field Reference app icon

    Iowa Police Field Reference

    Joshua Lefler

    Iowa law reference for professionals.

    The app provides a searchable database of Iowa Criminal Code and Traffic Law for law enforcement professionals. It includes tools like a fine compendium, speeding citation calculator, and court date finder, with no internet access required.

    ★ 4.8610 ratingsReference$3.99Data updated 2026-10-30
  2. iEngineer app icon

    iEngineer

    Perfectly Simple Apps LLC

    Look up screw specs and dimensions

    Access screw and bolt specifications with detailed dimensions and material grades. View US screws including 93 sizes and 74 material options. Purchase metric screws for 210 sizes and 86 material grades.

    ★ 4.6197 ratingsReferenceFreeData updated 2026-09-08
  1. Mila's Unit Converter PRO app icon

    Mila's Unit Converter PRO

    Scott DeSapio

    Convert units across 16 categories

    Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.

    ★ 4.81,025 ratingsUtilities$9.99Data updated 2026-09-25
  2. VetCalc app icon

    VetCalc

    DBQ Solutions, LLC

    ★ 4.6974 ratingsReferenceFreeData updated 2026-09-09
  3. Mila's Weight Converter app icon

    Mila's Weight Converter

    Scott DeSapio

    Convert units of instantly

    Convert between pounds, kilograms, grams, and ounces. Input and select units for conversion. Share results via copy or email. Supports imperial and metric systems.

    ★ 4.637 ratingsUtilitiesFreeData updated 2026-09-09
  4. Inflation Calculator & Data app icon

    Inflation Calculator & Data

    Cedric Porter

    Calculate rates and track currency values

    Calculate historical currency values to determine past costs or worth. View detailed results with graphs and tables. Save favorite calculations. Supports 26 currencies including USD, EUR, GBP, and JPY. Provides US Dollar from 1776 to 2023.

    ★ 4.5947 ratingsFinanceFreeData updated 2026-09-23
  5. Mechanical Engineering Mag app icon

    Mechanical Engineering Mag

    ASME

    Read articles, explore trends, stay updated

    Access current and past issues of magazine. Read articles in text format optimized for mobile. View issues in a replica format similar to the print edition.

    ★ 3.56 ratingsNewsFreeData updated 2026-09-08
  6. Transwhiz Concise E/C Dict app icon

    Transwhiz Concise E/C Dict

    Otek International Inc.

    Look up words in English and Chinese

    Look up English and Chinese words with detailed definitions and similar terms. Access professional dictionaries in computer, mechanical, engineering, civil engineering, and chemical fields. Select words for further lookup.

    ★ 5.01 ratingsReferenceFreeData updated 2026-09-18
  7. Elementium app icon

    Elementium

    Samuel Spencer

    Search elements by properties and trends

    Access detailed element information including symbol, name, atomic number, and mass. Search by classification, phase, or other properties. View electronegativity, atomic radius, and electron configuration.

    ★ 4.6598 ratingsEducationFreeData updated 2026-09-09
  8. Alto Products app icon

    Alto Products

    Alto Products Corp. AL

    Manufacture clutches for automatic and standard transmissions

    Reference "Access clutch specifications, part numbers, and technical data. Search by application type and vehicle model. Download product manuals and purchase directly from the ."

    ★ 4.04 ratingsReferenceFreeData updated 2026-09-11
  9. Decibel Meter: Sound dB Level app icon

    Decibel Meter: Sound dB Level

    传胜 贾

    Measure levels and detect noise damage

    Measure levels in real time with high-precision sensors. Display noise levels in dB with corresponding descriptions. Lock screen mode available. No ads or in- purchases.

    ★ 4.7362 ratingsUtilitiesFreeData updated 2026-09-15
  10. Aerospace Engineering 101 app icon

    Aerospace Engineering 101

    Pollmine.Com

    Learn with AI coach

    Learn through bite-sized videos, quizzes, and an AI-driven coach. Access chapters on entrepreneurship, MBA, accounting, marketing, sales, leadership, public relations, interviews, PMP, and patents.

    ★ 4.551 ratingsEducationFreeData updated 2026-09-08
  11. Engineering Drafting Shortcuts app icon

    Engineering Drafting Shortcuts

    Jitendra Surve

    Access keyboard for software and Microsoft Office

    Access keyboard for software including AutoCAD, MicroStation, PDMS, and STAAD Pro. Includes for Microsoft Office applications like Word, Excel, PowerPoint, Outlook, and OneNote. Features a units converter and a simple calculator.

    ★ 1.01 ratingsProductivity$5.99Data updated 2026-09-06
  12. Geometry Calculator. app icon

    Geometry Calculator.

    V PUGAZHENTHI

    Calculate parameters instantly

    Calculate geometric properties for 26 shapes, planes, and solids. Input dimensions to find area, perimeter, volume, and surface area. Access formulas for triangles, polygons, circles, and 3D solids.

    ★ 4.633 ratingsEducation$2.99Data updated 2026-09-21

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.