Smart Logic Simulator vs Circuit Design
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Logic Simulator
Design and simulate digital circuits using a drag-and-drop interface. Experiment with various logic gates, flip-flops, and arithmetic circuits to build complex systems. Ideal for students and hobbyists interested in electronics.
- Drag-and-drop circuit design
- Logic gate simulation
- Integrated circuit design
- Flip-flops and latches
- Multiplexers and demultiplexers
- Arithmetic circuit design
Read full descriptionHide full description
Unleash your inner engineer with Smart Logic Simulator! Design and simulate digital circuits with an intuitive drag-and-drop interface, perfect for students, hobbyists, and anyone curious about the world of logic gates. Experiment with AND, OR, NOT, XOR, NAND, NOR, and XNOR gates, building anything from simple logic circuits to complex sequential systems. Power Features for Advanced Circuit Design: * Integrated Circuits: Design complex logic circuits and package them into reusable components for modular and scalable projects. * Dependencies Manager * Flip-Flops & Latches: Explore sequential logic with SR, JK, T, and D flip-flops, as well as SR latches. * Multiplexers & Demultiplexers: From 2:1 to 16:1 multiplexers and demultiplexers, design complex data routing systems. * Arithmetic Circuits: Experiment with half and full adders for building the foundation of digital calculators. Explore a comprehensive library of components, including: * Logic Gates (AND, OR, NOT, XOR, NAND, NOR, XNOR) * Flip-Flops and Latches * Multiplexers and Demultiplexers * Adders (Half and Full) * and much more! Download Smart Logic Simulator today and start building your digital dreams! For media inquiries, resources, and more, visit https://smartlogicsimulator.com/ or contact us at mediaSmartLogicSimulator@gmail.com
Circuit Design
Read full descriptionHide full description
Circuit Design is a powerful and intuitive circuit simulator and schematic editor for iPhone and iPad. Build electronic circuits with drag-and-drop components, simulate voltage and current in real time, and learn electronics through interactive tools and visual analysis. Create professional circuit diagrams using resistors, capacitors, transistors, LEDs, logic gates, microcontrollers, and more. Watch live current flow animations, analyze voltage levels, and test designs instantly with the built-in simulation engine. Perfect for students, engineers, makers, Arduino enthusiasts, and anyone learning electronics. FEATURES • Modern drag-and-drop circuit editor • Real-time circuit simulation • Interactive voltage and current visualization • Huge electronic component library • Smart wire routing and snap-to-grid design • Oscilloscope and waveform preview • PCB layout preview mode • Apple Pencil support on iPad • AI-powered circuit suggestions and error detection • Educational tutorials and guided projects • Dark mode optimized interface • Export circuits as PNG, PDF, and SVG • Cloud sync and project backup Whether you're designing simple LED circuits or advanced electronic systems, Circuit Design gives you a portable electronics lab directly on your device. The App offers two subscription options: -$7.99 Monthly -$29.99 Yearly Prices may vary by location. Privacy Policy: https://privacy.vanlangapps.com Terms of Use: https://tos.vanlangapps.com Should you choose to upgrade to a Pro subscription, payment will be charged to your iTunes account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may cancel automatic renewal and manage your subscription by selecting Manage App Subscriptions in your iTunes Account settings and selecting the subscription you want to modify. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a Pro subscription, where applicable.
Screenshots
Verdict
The clearest difference is iOS requirement: Smart Logic Simulator at 15.3 against Circuit Design's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Smart Logic Simulator sells 1 one-off in-app purchase and Circuit Design sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.
| Parameter | Smart Logic Simulator | Circuit Design |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 59 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomasz Czart | Tu Anh Do |
In-app purchases
Smart Logic Simulator
- One-time fee$29.99
Circuit Design
- Circuit Design Premium Monthly$7.991 Month
- Circuit Design Premium Yearly$29.991 Year
- Circuit Design Premium Lifetime$39.99
Questions
Is Smart Logic Simulator free?
Is Circuit Design free?
Do Smart Logic Simulator or Circuit Design have ads?
Which is updated more often, Smart Logic Simulator or Circuit Design?
Other comparisons















