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Ohmlark vs Calconic

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Ohmlark compared with Calconic
DetailOhmlark logo OhmlarkCalconic logo Calconic
What it doesElectronics calculators for makers No-code calculator builder for websites
StageNot given Established
FoundedNot given 2017
Based inNot given LT
Pricing modelFreemium Freemium
PricingFree: $0 forever. Pro Monthly: $4 per month, cancel anytime. Pro Lifetime: $29 one-time payment. Not given
Key features
  • Resistor Color Code: read 4, 5 and 6-band resistors or find bands for a value
  • LED Resistor: pick the current-limiting resistor and power rating
  • Voltage Divider: output voltage, loading effect, or solve R2 for target Vout
  • RC Filter: cutoff frequency, time constant and attenuation at any frequency
  • LC Resonance: resonant frequency, characteristic impedance and Q
  • 555 Timer: astable frequency/duty cycle and monostable pulse width
  • Battery Life: runtime from capacity, active/sleep current and duty cycle
  • PCB Trace Width: IPC-2221 trace width for current and temperature rise
  • Electronics Unit Converter: SI prefixes, AWG to mm², mil to mm, dBm to mW, oz copper
  • Drag-and-drop calculator editor
  • PayPal payment integration
  • Lead collection with email notifications
  • Mail results to email
  • Formula editor for calculations
  • Multi-step calculator
  • Conditional element visibility
  • Google Sheets integration
  • Zapier integration
  • Custom landing pages
What makes it different
  • Real E-series resistor values, not ideal numbers
  • Engineering notation input and result sharing as links
  • No ads, no tracking, no sign-up for free calculators
  • Whole-device BOM costing and battery-life summary in Pro
  • Works on phone at the bench
  • No programming knowledge required
  • Pre-made templates for quick start
  • Responsive design on all devices
  • Easy embedding into any website
  • 30-day money back guarantee
Community votes01
DR (Domain Rating by Ahrefs)1 +1 (up) since last check77 no change since last check
Trust Flow (Majestic)026
Citation Flow (Majestic)041
Referring domains (Majestic)01564

4 details filled in for both companies.

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