Electronic Toolbox 2 โ The classic, reโimagined
Since 2009, Electronic Toolbox has been one of the most comprehensive electronics references and toolboxes on the App Storeโfor professionals, students, makers, HAMs, and hobby engineers.
With Electronic Toolbox 2, a fully modernized new edition arrives: familiar in structure, up to date technologically, and consistently evolved.
# The best and most complete electronics appโnow for iPhone, iPad & Mac
Over 70 tools, tables, and referencesโfrom โAโ like ASCII table to โZโ like Zener diode calculation:
Everything you need in the lab, workshop, or lecture hall, in one place.
โข Universal app: One purchaseโthree platforms (iPhone, iPad, Mac)
โข iCloud sync: All settings and favorites automatically on all devices
โข Multiโwindow support: Use multiple tools in parallelโideal for comparisons
โข PDF export: Save, document, or share results
โข Pinned tools: Keep important tools always at hand
โข Interactive tools: New visualizations, e.g., in the Battery Charge tool
โข Modern UI with Dark Mode: Redesigned, clearly structured, and easy to read
# Proven foundation, familiar workflow
Electronic Toolbox 2 stays true to its heritageโall known tools are included and have been carefully revised.
From calculators to reference data: nothing is missing, much is better.
Examples:
โข Resistor color code and coil calculator
โข NE555 and heatsink calculation
โข Conversion and unit tools (HEX, AWG, frequency, and more)
โข Parametric component search with datasheets
โข Tables for batteries, drill sizes, IC pinouts, packages, and more
โข References for boards like Raspberry Pi, Arduino, BeagleBone, Nano Pi โฆ
โข Global search across all tools
โข Fully usable offline
โข No ads, no inโapp purchases
# Continuously improvedโsince 2009
Electronic Toolbox has been maintained and improved with passion for over a decade.
With version 2, we carry this legacy forwardโon a new technical foundation for the years ahead.
Feedback from the community remains central: every suggestion helps make the toolbox even better.
# Gentle transition
The original ElectronicโToolbox Pro remains fully usableโexisting workflows are not interrupted.
Existing customers can switch to the new version via a discounted bundle.
Features like the Circuit Editor or Projects will initially remain exclusive to ElectronicโToolbox Pro and are not yet included in this new edition.
# From the developer
Jan Roskosch built Electronic Toolbox 2 together with his father Marcus Roskosch, the developer of the original app.
A modern realization of a classicโwith the same passion for electronics, precision, and quality.
# At a glance
โข Completely new, modern interface
โข All known tools from the original app included
โข Universal app for iPhone, iPad, and Mac
โข iCloud synchronization
โข PDF export & multiโwindow support
โข Fully usable offline
โข No ads, no inโapp purchases
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Electronic Toolbox 2โthe future of the electronic toolbox.
Continued with passion. Built for you.