Tools & Utilities
BenchBuddy
The bench tools you re-derive all day, done right and offline.
Offline electronics calculator & reference suite. No ads.
Why BenchBuddy exists
Hobbyists, EE students, and repair techs re-derive the same values at the bench all day, juggling six browser tabs or ad-laden single-function apps. BenchBuddy bundles the everyday electronics calculators and reference tables into one clean, offline, zero-ad toolkit.
What BenchBuddy does
- Resistor colour-code decoder/encoder (4/5/6 band) plus SMD resistor codes
- Ohm's law and power: solve any two of voltage, current, resistance, power
- Voltage divider and LED series-resistor calculators
- Nearest E12/E24/E96 standard value, surfaced in every relevant calc
- Capacitor code decoder, RC/LC time constants, and reactance
- 555 astable / monostable timer calculator
- Calculation history, pinned favourites, and copy-to-clipboard on every result
- Fully offline — no account, no subscription
Screenshots
Privacy and local storage
BenchBuddy runs entirely on your device. No account, no tracking, no network access. Your calculation history and favourites never leave your phone unless you export them.
Full privacy policy for BenchBuddyAffiliate links disclosure
BenchBuddy may include clearly-labelled, contextual links to multimeters, parts kits, and test gear on relevant calculator screens — never in the result area.
Get BenchBuddy
Get it on Google Play
Google Play
Play Store listing coming soon. The app is under active development.