Drill Calc app icon

Apps Like Drill Calc for iPhone and iPad

Calculate bit size for threaded holes

Calculate bit size for threaded holes using bolt diameter, thread pitch, and percentage for inch and metric threads. Display close fit hole sizes for common sizes. Provide tables for standard inch fractional and numeric bit sizes.

by Black Cat Systems★ 4.119 ratingsUtilities$2.99Data updated 2026-09-08

Drill Calc screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. OSG Calculator app icon

    OSG Calculator

    OSG USA, INC.

    Calculate cutting parameters and tap drill sizes

    Calculate cutting parameters for drills, taps, endmills, and ballnose tools. Determine tap drill sizes for inch and metric cut and form taps. Compute suggested tap drill sizes for NPT and NPS threads. Convert decimal equivalents to fractional values.

    ★ 4.02 ratingsReferenceFreeData updated 2026-09-08
  2. ThreadKing app icon

    ThreadKing

    Motionics, LLC

    Calculate thread sizes and dimensions

    Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.

    ★ 4.712 ratingsProductivityFreeData updated 2026-09-10
  1. Drill and Tap Tool - Thread Tapping & Through Hole app icon

    Drill and Tap Tool - Thread Tapping & Through Hole

    Chewy Applications Ltd.

    Tap type, spin dials, find size

    Calculate size for operations by selecting type, tap size, percentage depth of , clearance, and cutting or forming operation. Adjust settings via tap interface without typing.

    ★ 4.330 ratingsReference$1.99Data updated 2026-09-18
  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
  3. PowerSchool Mobile app icon

    PowerSchool Mobile

    PowerSchool Group LLC

    Access grades, assignments, and attendance real-time

    View student grades, assignments, and attendance in real time. Access GPA, class overview, and due/graded assignments via dashboard widgets. Check attendance and school bulletins. Track meal benefits. Receive updates on student activities.

    ★ 4.6927,213 ratingsEducationFreeData updated 2026-09-18
  4. Clever Cleaner: AI CleanUp App app icon

    Clever Cleaner: AI CleanUp App

    CleverFiles Inc.

    Clean storage, fast and free

    Clear cache and delete unnecessary files to free up storage. Remove duplicate photos and messages. Scan for large files and suggest deletions. Organize data and manage storage usage effectively.

    ★ 4.881,961 ratingsProductivityFreeData updated 2026-09-14
  5. CNC Machinist Calculator Pro app icon

    CNC Machinist Calculator Pro

    Shane Anderson

    Calculate tool offsets and feed rates

    Calculate turning operations with spindle speed, feed rate, and tool engagement angle inputs. Determine cutting time and material removal rates. Convert imperial to metric units. Store and recall frequently used settings.

    ★ 4.7677 ratingsProductivity$14.99Data updated 2026-09-17
  6. Ring Sizer by Jason Withers © app icon

    Ring Sizer by Jason Withers ©

    Uniqo Lab FZC

    Measure size in metric or imperial units

    Measure size using metric or imperial units, choose diameter or circumference, and use visual guides for accurate measurement. Supports sizes for USA, Australia, UK, Europe, Japan, and China. Share size on social networks.

    ★ 4.56,770 ratingsUtilitiesFreeData updated 2026-09-08
  7. LingoDeer - Learn Languages app icon

    LingoDeer - Learn Languages

    LingoDeer Co., Ltd.

    With structured lessons

    Asian and other through structured lessons created by language teachers. Practice vocabulary, grammar, and pronunciation. Track progress with interactive exercises and quizzes. Download lessons offline and set personal learning goals.

    ★ 4.727,828 ratingsEducationFreeData updated 2026-09-13
  8. Air Horn & Fart Sounds Prank app icon

    Air Horn & Fart Sounds Prank

    振山 董

    Play sound effects and trigger pranks

    Select a sound effect from 70+ options including air , police siren, and zombie noises. Long press to trigger the sound. Play the selected sound to surprise others. Share the via social media or messaging.

    ★ 4.611,130 ratingsEntertainmentFreeData updated 2026-09-06
  9. Word Hippo app icon

    Word Hippo

    KAT IP PTY LTD

    Find similar words and antonyms

    Find similar and opposite words using an advanced thesaurus. Generate example sentences, rhyming words, related types, and matching words. View definitions and translations for vocabulary support.

    ★ 4.913,707 ratingsReferenceFreeData updated 2026-09-13
  10. Southwire® Voltage Drop Calc app icon

    Southwire® Voltage Drop Calc

    Southwire Company

    Calculate and wire size

    Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.

    ★ 4.61,480 ratingsUtilitiesFreeData updated 2026-09-08
  11. Machinist Journeyman app icon

    Machinist Journeyman

    James Rowe

    Manage tools, track projects, and organize workflows

    Perform machine shop calculations for diameters, angles, and threads. Convert between imperial and metric units. Access formulas for gear ratios and thread pitch. Store and retrieve frequently used values. Export results in printable format.

    ★ 4.319 ratingsBusiness$9.99Data updated 2026-09-14
  12. Concrete Calculator Plus app icon

    Concrete Calculator Plus

    Calc Hub, LLC

    Estimate and materials for slabs, walls, columns,

    Estimate volume for rectangular, circular, and stepped slabs, footings, columns, walls, and steps. Calculate block and CMU quantities for walls. Estimate mortar mix materials and rebar amounts. Determine gravel needs for bases.

    ★ 4.822,767 ratingsUtilitiesFreeData updated 2026-09-06
  13. Jadens Printer app icon

    Jadens Printer

    JADENS COMPANY LIMITED

    Print labels and documents wirelessly

    Print labels, barcodes, and addresses. Connect via Bluetooth. Choose from multiple sizes. Support PDF and image files. Access an online store for label templates and customization.

    ★ 4.84,956 ratingsUtilitiesFreeData updated 2026-09-06
  14. Shot Timer - Range Trainer app icon

    Shot Timer - Range Trainer

    Daniel Yaakob

    Track drills, adjust settings, and save results

    Choose drill types and customize settings like start delay and countdown . Receive coaching tips via chat. Attach photos to drill history and set par time goals. Adjust microphone sensitivity and number of shots.

    ★ 4.0431 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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