Resistor color code calculator

All Versions of Resistor color code calculator

• 
  1.3.1(7)This is the latest versionLatest

  XAPK

  Oct 20, 202622.7 MBAndroid 7.0+What's New
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  What's new in the version 1.3.1

  Updated on Oct 20, 2026

  • Dark theme: the quiz, its results and the stats card now sit on deep navy glass instead of bright pastel cards.
  • A new Quiz banner with 3D art of an IC chip, a resistor and a light bulb.
  • The result card is restyled for light and dark, with the value in gold at night.
  • Find has a new value card, and the ✕ in the field now clears it.
  • After a wrong answer, the correct answer is now easy to read in the dark theme.

• 
  1.3.0(6)

  XAPK

  Oct 15, 202620.3 MBAndroid 7.0+What's New
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  What's new in the version 1.3.0

  Updated on Oct 15, 2026

  • A whole new look: every screen rebuilt in a glossy 3D style, with a new bottom bar, drawer and settings.
  • The resistor is redrawn as a lacquered 3D part, in richer colours.
  • Quiz: a new home and Play Quiz screen — pick a topic, tap a difficulty to start. New question and results screens.
  • A soft click on every tap (follows the Sound setting), and sounds that keep up with quick taps.
  • Next always stays on screen in the quiz.

• 
  1.2.0(5)

  XAPK

  Oct 13, 202619.2 MBAndroid 7.0+What's New
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  What's new in the version 1.2.0

  Updated on Oct 13, 2026

  • NEW — Find the bands has its own tab: type a resistance, get the bands.
  • NEW — Settings. Theme, quiz sound and reset progress in one place, all remembered.
  • The colour reference now opens as a sheet over your work, so you keep your place.
  • Classic view redesigned: full-width band tabs, and the reading set at one size at every band count.
  • The resistor and the SMD chip redrawn, and a new app icon.