SPK-ToolBox app icon

Apps Like SPK-ToolBox for iPhone and iPad

by REDOUANE ABDELOUARIT★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Hydraulics and Waterworks Calc app icon

    Hydraulics and Waterworks Calc

    V PUGAZHENTHI

    Calculate pressure, flow, and force

    Calculate hydraulic parameters like capillary rise, viscosity, hydrostatic pressure, and head loss. Convert between metric and imperial units. Solve for pressure head, velocity head, and specific energy head.

    ★ 4.212 ratingsProductivity$4.99Data updated 2026-09-08
  2. CONVERT UNITS app icon

    CONVERT UNITS

    Yan Liong Tan

    And track currency rates

    For length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency. Automatically or manually update currencies with 160 options. Enable multitasking on iPad for simultaneous conversions.

    ★ 4.71,357 ratingsProductivityFreeData updated 2026-09-11
  3. ▸ Calculator + app icon

    ▸ Calculator +

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculate, convert, and solve equations

    Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.

    ★ 4.7899 ratingsUtilities$1.99Data updated 2026-09-08
  4. PCalc app icon

    PCalc

    TLA Systems Ltd.

    Calculate, convert, and program with precision

    Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.

    ★ 4.7776 ratingsUtilities$9.99Data updated 2026-10-24
  5. Converter+ (Units, Currencies) app icon

    Converter+ (Units, Currencies)

    TranCreative Software

    Convert units, currencies, and calculate.

    The app offers unit and currency conversion across hundreds of categories. It includes mortgage, loan, and tip calculators, with the ability to edit, add, or download templates.

    ★ 4.72,418 ratingsProductivityFreeData updated 2026-09-14
  6. Calculator ∞ app icon

    Calculator ∞

    An Truong

    Calculate, graph, and solve equations

    Solve equations, perform algebraic calculations, and graph functions. Support for multiple models including TI-83, TI-84, TI-89, Casio FX, and Sharp EL. Includes a scientific , fraction simplifier, and unit converter.

    ★ 4.76,384 ratingsEducation$5.99Data updated 2026-10-24
  7. Calc Pro HD – iPad Calculator app icon

    Calc Pro HD – iPad Calculator

    Panoramic Software Inc.

    Calculate, edit, and track finances

    Perform complex calculations with scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting and planning. Switch between landscape and portrait modes. Save and export calculation results.

    ★ 4.71,468 ratingsUtilitiesFreeData updated 2026-09-08
  8. Unit Converter Engineering Pro app icon

    Unit Converter Engineering Pro

    Kaiguri Tech Limited

    Convert units across , physics, and math

    Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  9. The Chemical Touch: Lite Edition app icon

    The Chemical Touch: Lite Edition

    Christopher Fennell

    View elements, masses, and properties

    Access element data including atomic mass, density, melting and boiling points, atomic radius, and electronegativity. Tap elements to view Wikipedia pages for detailed information.

    ★ 3.82,485 ratingsEducationFreeData updated 2026-09-08
  10. Toolbox™ app icon

    Toolbox™

    Tue Nguyen Minh

    Edit files, manage data, and organize tasks

    Manage files with drag-and-drop organization. Access a flashlight with adjustable brightness. Use a calculator, note taker, and screen recorder. Includes calendar, timer, and widget tools. Sync data across devices.

    ★ 4.74,293 ratingsUtilities$1.99Data updated 2026-09-08
  11. Visual Math 4D app icon

    Visual Math 4D

    Ronny Weidemann

    Solve equations and visualize graphs

    Solve mathematical equations and visualize results in 2D and 3D. Plot cartesian, polar, spherical, and parametric functions. Animate equations and vector fields. Find intersections of functions. Support for complex functions.

    ★ 4.6872 ratingsEducation$1.99Data updated 2026-09-08
  12. STEAM DRAW app icon

    STEAM DRAW

    Indigo Penguin Limited

    On for free

    On a virtual surface with finger or stylus input. Choose from various drawing tools and colors. Save and share creations directly. Supports touch and pen interaction for precise drawing.

    ★ 2.54,808 ratingsEntertainmentFreeData updated 2026-09-08
  13. 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

How we rank alternatives

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