EveryCircuit

Design and simulate electronic circuits!
Features:

• Animations of voltage waveforms and current flows
• Animations of capacitor charges
• Analog control knob adjusts circuit parameters
• Automatic wire routing
• Oscilloscope
• Seamless DC and transient simulation
• Single play/pause button controls simulation
• Saving and loading of circuit schematic
• Mobile simulation engine built from ground-up
• Shake the phone to kick-start oscillators
• Intuitive user interface
• No Ads

Components:

• Sources, signal generators
• Resistors, capacitors, inductors, transformers
• Potentiometer, lamp
• Switches, SPST, SPDT
• Diodes, Zener diodes, light emitting diodes (LED)
• MOS transistors (MOSFET)
• Bipolar junction transistors (BJT)
• Ideal operational amplifier (opamp)
• Digital logic gates, AND, OR, NOT, NAND, NOR, XOR, XNOR 

SCREENSHOTS :