English

SLD | Electrical diagrams - Electrical diagram creator

Effortlessly design electrical diagrams with customizable symbols & standards compliance for professional results in minutes!

SLD | Electrical diagrams
  • 4.24 Version
  • 3.1 Score
  • 335K+ Downloads
  • In-app purchases License
  • 3+ Content Rating
Download Android APK (14.94 MB)
Old Versions
CONS

Limited functionality in the free version

Difficulty saving files reliably

Lack of intuitive navigation and options

Missing key electrical symbols

Clunky menus make item selection challenging

Inconsistent text placement and rotation issues

Potential for losing data if app fails

Not suitable for complex automation schematics

This application enables you to swiftly and efficiently create your own electrical installation diagrams. All you need to do is choose the symbol you wish to use and drag it to your preferred location.

- Symbols in accordance with IEC and ANSI standards for electrical engineering include:

Circuit breaker, plug, switch, disconnector, fuse, residual current device (RCD), contactor, motor, generator, socket, plug base, contact, normally open NO, normally closed NC, valve, level indicator, temperature sensor, delay and advance opening/closing devices, limit switch, handle, interlock, push button, mushroom button, lamp, grounding, energy meter, active (kWh) wattmeter, reactive (kvar) varimeter, transformer, voltage indicators, current indicators, three-phase windings, overvoltage devices, thermal relay, magnetic relay, coil, timer, minimum and maximum voltage settings, starter, rectifier, inverter, battery, converter, AC/DC and DC/DC converters, frequency meter, voltmeter, ammeter, ohmmeter, soft starter, variable resistors, reactance elements, diode, varistor, heater, fault indicators, star-delta transformer setup, insulation materials, regulators, connectors, conductors, phases, neutral lines, grounding, protective devices, fans, photovoltaic panels, control systems, load indicators, and the ability to enter text such as volts, amperes, watts, and energy readings.

# BASIC Version #

* You can design your single-line diagram using the same symbols available in the PRO Version.

* You are limited to a single scheme but can share it as an image, PDF, or file.

* Once a scheme is created, you cannot open another one since they are not saved.

* This version includes advertisements.

# PRO Version # (1 - In-App Purchases)

* You will have the ability to open, edit, and save your schemes.

* Access additional examples.

* This version is ad-free.

* Are you interested in translating the symbol texts and receiving a coupon for access to premium features? Please reach out!

* More examples and resources are available elsewhere.

* Instructional videos demonstrate various functions across different languages.

A Powerhouse Tool for Effortless Electrical Drafting

Having extensively used this application to design complex electrical installations for commercial projects, I've been thoroughly impressed by its intuitive workflow and professional depth. 

The seamless drag-and-drop interface transforms schematic creation from a tedious chore into a truly efficient process. 

What resonates most is the sheer breadth of standards-compliant symbols – finding precisely the right IEC or ANSI component, whether it's a specialized thermal relay, a photovoltaic panel, or a star-delta transformer setup, feels instantaneous. 

This comprehensive library eliminates frustrating searches through external references, allowing me to focus purely on the engineering logic itself. 

The ability to directly annotate schematics with text values like volts and amps further streamlines documentation. 

While the BASIC version serves well for quick sketches or single-diagram tasks, upgrading to PRO felt essential for serious work; the ability to save, reopen, and edit multiple schematics without ads makes it indispensable. 

It's become my go-to solution for creating clear, professional diagrams with remarkable speed and accuracy.

Your Top Questions Answered:

Is the PRO upgrade worth it? Absolutely, if you work with multiple schematics or need to revise designs. Saving/loading projects and removing ads significantly enhances productivity.

Can I access my diagrams on different devices? Currently, schemes are stored locally on the device used to create them unless manually exported/shared.

Does it support specific industry standards? Yes, the symbols strictly adhere to IEC and ANSI standards for electrical engineering symbols.

Is there learning material available? Yes, instructional videos demonstrating various functions are accessible within the application or the developer's resources.

Show More
Information
  • Version4.24
  • UpdateJul 16, 2025
  • DeveloperÁngel Martínez
  • CategoryProductivity
  • Requires AndroidAndroid 5.0+
  • Downloads335K+
  • Package Namecom.xlingenieria.unifilar
  • Signature5a906afd072234a091c6a291272b1ed5
  • Available on
  • ReportFlag as inappropriate
User Reviews
3.1 6 Reviews
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  • Alka Kumari
    Alka Kumari

    The application works well overall. It could benefit from having separate pages within a single project. Also, the option to copy or duplicate projects would be great. Files should be more accessible and visible too.

  • Carvin Fiddler
    Carvin Fiddler

    Sure! To add rotation functionality, you can include an event listener that detects user input. This could be a mouse event or a keyboard event depending on how you want to trigger the rotation. When triggered, adjust the rotation values of the components. Ensure the components update their positions accordingly. Adding rotation animations can create a smoother visual effect. You might also consider limiting rotation angles if necessary for better control.

  • Clifford Gwekwe
    Clifford Gwekwe

    This app is amazing! It’s super easy to navigate. The variety of symbols available is impressive. Everything feels smooth and user-friendly. Definitely a great find!

  • Nasiru M. Bello
    Nasiru M. Bello

    You want to see an improved wire tracing tool, something like EveryCircuit or ETAP. Those interfaces offer user-friendly designs and clear visual representations. They make complex circuit layouts easier to manage. Enhanced features would streamline the process and add convenience. A fresh perspective on wire tracing could really elevate the overall experience for users.

  • Abraham Ayende
    Abraham Ayende

    The experience feels off. Not user-friendly at all. A straightforward copy or repeat option would really help. The menus are bulky, and locating items becomes a hassle.

  • Motsusi Mokake
    Motsusi Mokake

    It seems like using it with AC should work well. However, there isn’t any mention of this limitation anywhere. It simply doesn’t have features for DC circuits.

Security Status
Clean

It’s extremely likely that this software program is clean.

What does this mean?

We have scanned the file and URLs associated with this software program in more than 50 of the world's leading antivirus services; no possible threat has been detected.

  • Name: SLD | Electrical diagrams
  • Package Name: com.xlingenieria.unifilar
  • Signature: 5a906afd072234a091c6a291272b1ed5