LogicGate vs Singular

LogicDesign is the most powerful digital logic circuit simulator built for iPhone and iPad. Whether you're a student studying computer architecture, an engineer prototyping circuits, or a curious mind exploring digital logic — LogicDesign puts a full lab in your pocket. DESIGN YOUR CIRCUITS • Drag and drop logic gates: AND, NAND, OR, NOR, XOR, XNOR, NOT, Buffer • Add Flip-Flops: JK, D & T for sequential circuit design • Draw wires intuitively between any inputs and outputs • Simulate in real time with live signal propagation ANALYZE IN DEPTH • Auto-generated Truth Tables for any circuit • Waveform Viewer — watch signal timelines like an oscilloscope • Boolean Equation view — instantly see the simplified logical expression LEARN FROM EXAMPLES • Built-in library with Half Adder, Full Adder, SR Latch, 2-bit Counter, and more MANAGE YOUR PROJECTS • Save, load, and organize unlimited circuits • Export professional PDF circuit reports to share or print • Fully offline — your data never leaves your device PRO SUBSCRIPTION REQUIRED Full access to all features requires a LogicDesign Pro subscription. Choose from a weekly, yearly, or lifetime plan. A free trial may be available. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current billing period. Manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: https://github.com/MAAlsaleh0/LogicGatesAPP_Legal/blob/main/PRIVACY_POLICY.md Terms of Use: https://github.com/MAAlsaleh0/LogicGatesAPP_Legal/blob/main/TERMS_OF_USE.md

Singular is a professional-grade analog & logic circuit simulator designed for your iPhone and iPad. Build, simulate, and analyze electronic circuits with an intuitive drag-and-drop editor and a powerful real-time simulation engine — no internet required. Whether you're an electrical engineering student studying for exams, a maker prototyping your next project, or a professional verifying a design, Singular gives you a complete electronics workbench in your pocket. POWERFUL SIMULATION ENGINE • Modified Nodal Analysis (MNA) with TR-BDF2 adaptive solver • Real-time transient, DC, and AC analysis • Frequency-aware adaptive timestep — accurate results at any speed • Newton-Raphson nonlinear convergence for semiconductors • Hot-swap: modify your circuit while simulation is running 40+ ELECTRONIC COMPONENTS Passive — Resistor, Capacitor, Inductor, Potentiometer Sources — DC Voltage, AC Voltage, Pulse Generator Diodes — Standard Diode, Ideal Diode, LED Transistors — NPN, PNP, Darlington PNP, N-MOSFET, P-MOSFET Integrated Circuits — NE555 Timer, Operational Amplifier (Op-Amp) Logic Gates — AND, OR, NAND, NOR, XOR, XNOR, Inverter, Buffer Flip-Flops — D, JK, T Flip-Flop, SR Latch Measurement — Voltmeter, Ammeter Power Rails — Ground, VCC, VDD, VSS, VEE, ±3.3V, ±5V REAL-TIME OSCILLOSCOPE • Multi-trace display with color-coded signals • Adjustable time base and voltage scale • Pinch-to-zoom and pan gestures • 60 fps rendering — smooth and responsive INTUITIVE CIRCUIT EDITOR • Drag-and-drop component placement with grid snapping • Draw wires by tapping terminals — automatic routing • Rotate, flip, and mirror components freely • Multi-select, move, and organize your design • Full undo/redo history (up to 100 steps) • Pinch zoom (0.1x–5x) and two-finger pan PROFESSIONAL TOOLS • Design Explorer with automatic reference designators (R1, C2, U3…) • Standard value picker — E12, E24, E96 resistor series and standard capacitor values • Built-in expression evaluator — type "10k*2.2" and get the result instantly • Real-time voltage, current, and power readouts on every component • Net name visualization for complex designs LEARN & EXPLORE • Built-in example circuits: Voltage Divider, Current Divider, Inverting Amplifier, 555 Timer Demo • Resource Center with reference articles • Detailed simulation error guide — understand what went wrong and why • Save examples to your workspace and modify them freely SAVE, EXPORT & SHARE • Save unlimited circuits to your workspace • Export circuits as portable .circuit files with embedded thumbnails • Import circuits from other users or devices • Add names, descriptions, and metadata to every project DESIGNED FOR iPAD & iPHONE • Built 100% with SwiftUI for a native Apple experience • Optimized for both touch and Apple Pencil • Works entirely offline — your data stays on your device Singular is the circuit simulator that students wish they had during lectures, that makers reach for at the workbench, and that engineers trust for quick verification. Download it and start building. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/