TECH ToolBox app icon

Apps Like TECH ToolBox for iPhone and iPad

by 1BIGRIG Ltd★ 0.00 ratingsProductivity$6.99Data updated 2026-09-06

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Electrodoc Pro app icon

    Electrodoc Pro

    IODEMA SRL

    Lookup resistor values and color codes

    Allows users to calculate resistor values using color codes and SMD codes. It includes tools for Ohm's Law, reactance, resonance, and voltage dividers. Users can determine resistor ratios, series/parallel combinations, and LED resistor needs.

    ★ 4.663 ratingsProductivity$4.99Data updated 2026-09-09
  2. Ham Radio Toolbox app icon

    Ham Radio Toolbox

    Nuno Facha

    Tune bands and check propagation

    Real-time propagation data provides solar and geomagnetic insights for QSO planning. DX cluster viewer displays active DX spots. Calculate antenna lengths and tune dipoles. Check frequency bands and propagation conditions.

    ★ 4.880 ratingsUtilitiesFreeData updated 2026-09-06
  1. GPS Status & Toolbox app icon

    GPS Status & Toolbox

    MobiWIA Korlatolt Felelossegu Tarsasag

    Track GPS data and save locations

    Track GPS and GLONASS satellite data including position, accuracy, speed, altitude, and orientation. Save and navigate to locations using coordinates or real-time data. Use a compass with magnetic and true north, a leveling tool, and waypoints.

    ★ 4.3435 ratingsTravel$2.99Data updated 2026-09-09
  2. Ugly's Electrical References app icon

    Ugly's Electrical References

    Informed Publishing

    Access code tables and track updates

    Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.

    ★ 4.41,489 ratingsProductivity$12.99Data updated 2026-09-09
  3. UScellular Protect app icon

    UScellular Protect

    USCC Services, LLC

    Check device health and get support

    Back up and restore device data. Locate lost or stolen devices using Find My. Access step-by-step troubleshooting guides. View device health and performance metrics. Manage device settings and security options.

    ★ 4.4745 ratingsUtilitiesFreeData updated 2026-09-06
  4. Audiofile Calc — LUFS, dB, Hz app icon

    Audiofile Calc — LUFS, dB, Hz

    Audiofile Engineering, LLC

    Calculate audio parameters and settings

    Calculate note lengths and bar lengths for musical compositions. Convert time signatures and tempo. Adjust beat divisions and measure counts. Export results and share calculations.

    ★ 4.513 ratingsMusicFreeData updated 2026-09-08
  5. Electronics Toolkit! app icon

    Electronics Toolkit!

    Electronial

    Calculate resistor values by color

    Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.

    ★ 4.3531 ratingsEducationFreeData updated 2026-09-06
  6. Electrical Calculator lite app icon

    Electrical Calculator lite

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.

    ★ 4.6575 ratingsUtilitiesFreeData updated 2026-09-09
  7. Electronic Toolbox Pro app icon

    Electronic Toolbox Pro

    Marcus Roskosch

    Edit schematics, calculate values, and test circuits

    Manage components with a database of resistors, capacitors, and diodes. Calculate circuit values using Ohm’s Law and power formulas. Access schematics, datasheets, and component symbols. Convert units and view component ratings.

    ★ 4.7245 ratingsProductivity$12.99Data updated 2026-09-08
  8. Audio-Technica Installed Sound app icon

    Audio-Technica Installed Sound

    Audio-Technica Corporation

    Generate RTA measurements and SPL readings

    Tools for professionals include real-time analysis with SPL display, tone and noise generation, wavelength calculation, UHF frequency reference, antenna line loss assessment, microphone gain calculation, and recording/playback of test signals.

    ★ 2.953 ratingsMusicFreeData updated 2026-09-08
  9. Gemaire HVAC Pro+ app icon

    Gemaire HVAC Pro+

    Watsco, Inc.

    Access product info and tools anytime

    Access product information, pricing, and order status through account linking. View real-time product availability at preferred and nearby branches. Find locations, hours, and contact details. Track order progress and check branch inventory.

    ★ 4.8817 ratingsProductivityFreeData updated 2026-09-08
  10. Circuit Playground app icon

    Circuit Playground

    Adafruit Industries LLC

    Calculate component values and resistor codes

    Calculate component values for Op Amp, 555, RC Filter, and Resistor Divider circuits. Decode resistor and capacitor codes. Compute power, resistance, current, and voltage using Ohm's Law and Power Calculators.

    ★ 4.319 ratingsUtilities$2.99Data updated 2026-09-08
  11. The Audio Toolbox app icon

    The Audio Toolbox

    Innovate Audio LTD

    Control QLab workspaces remotely

    Allows control of QLab workspaces via WiFi, enabling start, stop, and cue selection. It includes a MIDI Tester for sending and receiving MIDI messages. Users can monitor levels, adjust EQ settings, and manage cue lists in real time.

    ★ 4.931 ratingsUtilities$3.99Data updated 2026-09-06

How we rank alternatives

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