Apps Like SchemaHD for iPhone and iPad
Configure circuits with Verilog and VHDL
Configure logic circuits using Verilog and VHDL to generate custom hardware configurations. Enable secure, parallel processing by executing predefined logic circuits. Prevent unauthorized modifications to ensure data integrity and system safety.
SchemaHD screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



Electric Toolkit - Calculator
Cyberprodigy LLC
Wire diagrams, pinouts, calculate electricity
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.

Wire Color Code
Bonsaisoft LLC
- circuits by country
Select a country to view accurate codes specific to its electrical standards. Identify circuit colors for safe wiring. Access detailed guidelines for international compliance. Save and share configurations for future reference.

Breadpad - SPICE Simulator
FreshBizOpps, LLC
Simulate circuits and analyze signals
Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.

Buffer Editor - Code Editor
Blakzero Oy
Code and text editor on the go.
The app connects to various servers and offers Git operations with a visual merge tool and branch history. It provides live editing, a built-in terminal, and syntax highlighting for numerous languages.

Bassport
Nikita Nesporov
Calculate subwoofer enclosures and wiring diagrams
Calculate bass reflex box settings, quarter-wave resonator configurations, and subwoofer enclosure tuning. Generate sine waves and verify box settings. View speaker wiring diagrams for parallel and serial connections. Select appropriate power cables.

Tinkercad
Autodesk
Design 3D models, circuits, and code
Create 3D models using intuitive device-optimized controls. Design circuits, code, and simulate electronic components. Learn through hands-on projects. Access free, ad-free tools suitable for all ages.

Goodnotes: AI Notes, Docs, PDF
Goodnotes Limited
Capture notes, organize ideas, and create plans
Create and organize digital notes with handwriting recognition and customizable templates. Annotate PDFs and images. Use AI to summarize text and generate ideas. Collaborate in real-time with team members.

2017 Master Electrician Ref.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.

Electric circuit calculator
Kantaben Gorasiya
Calculate current, voltage, resistance, and more
Calculate current in parallel circuits, voltage in series circuits, and resistance in both series and parallel configurations. Use Ohm's Law, DC calculations, and LR filter tools.


Circuit Simulator Q
Ali Mert TUFEKCI
Design circuits, simulate logic, test configurations
Design and simulate logic circuits with drag-and-drop components. Connect inputs and outputs to test behavior. View real-time simulation results and adjust parameters dynamically. Save and export designs for further analysis.

Southwire® Voltage Drop Calc
Southwire Company
Calculate and wire size
Calculate for a specific conductor run or determine wire size based on and current carrying capacity. Limits wire size to and NEC ampacity. Supports AWG and KCMIL sizes only.


iCircuit
Krueger Systems, Inc.
Design, simulate, and learn electronics now.
The app allows users to design, simulate, and learn analog and digital electronics. Its simulation engine provides real-time analysis, enabling users to interact with powered circuits and observe results instantly.




Darkweb Browser for TOR sites
PINATA TECHNOLOGIES
Browse securely with encrypted tunnels
Browse encrypted websites using the TOR Network. Access hidden sites. Route traffic through multiple servers for anonymity. Connect to a built-in VPN for added security. Protect online identity and data privacy.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.