Simurelay vs Circuit Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simurelay
Design and simulate electromechanical systems with a wide range of basic electrical components. Create detailed electrical diagrams using relays, switches, buttons, contactors, and timers.
- Design electromechanical systems
- Simulate electrical diagrams
- Basic electrical components library
- Relays, switches, buttons, contactors
- Timers and motors simulation
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Simurelay is a simulator to help you design electromechanical systems and simulate them. It allows to make many electrical diagrams by using the available basic components such as relays, switches, buttons, contactors, timers, motors...
Circuit Simulator
Design and simulate electronic and digital circuits in real-time. Visualize voltage and current flow, and analyze circuit behavior with tools like oscilloscopes and multimeters. Offers a user-friendly experience for circuit design and digital electronic analysis.
- Real-time electronic circuit simulation
- Digital circuit simulation
- Voltage and current analysis
- Multichannel oscilloscope
- Multimeter tools
- Circuit design and tuning
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VoltSim is a realtime electronic circuit simulator like Multisim, SPICE, LTspice, Altium or Proto for circuit design with a better user experience. VoltSim is a complete circuit app in which you can design circuits with various components and simulate an electric or digital circuit. During simulation you can check voltage, current and many other variables. Check signals on multichannel oscilloscope or multimeter and tune your circuit in real time! You can also use VoltSim as logic circuit simulator and perform digital electronic analysis! This app will help you visualize how the voltage varies across the circuit and how current flows through it. T&C: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Circuit Simulator at 4.7 against Simurelay's 3.9. Circuit Simulator also leads on update cadence (every 6 weeks vs every 7 months) and review sentiment (73% vs 52%). On price, ads, in-app purchases and monetization model 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. Simurelay sells 3 one-off in-app purchases and Circuit Simulator sells 8 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Circuit Simulator holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 17 and 72 respectively. Written reviews point the same way: 52% of Simurelay's written reviews are positive against 73% of Circuit Simulator's.
Simurelay ships an update every 7 months, Circuit Simulator every 6 weeks. The most recent releases landed on August 1, 2026 and September 20, 2026 respectively.
| Parameter | Simurelay | Circuit Simulator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (17 ratings) | 4.7 (72 ratings) — better |
| Positive reviews | 52.3% of reviews | 72.7% of reviews — better |
| Number of ratings | 17 | 72 — better |
| Update frequency | Every 7 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.3 — better |
| Further details — not scored | ||
| Size | 19 MB | 103 MB |
| Age rating | 4+ | 4+ |
| Developer | Abdessamed Benkabouya | Sindhu Gopi |
Customer experience
Simurelay
Circuit Simulator
In-app purchases
Simurelay
- Timers Coils and Contacts$7.99
- Advanced Tools$7.99
- Full Version$14.99
Circuit Simulator
- Extensions Subscription$0.991 Month
- Sensors Extension$0.99
- Custom Chips Extension$1.99
- Instruments extension$2.99
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- Analog Extension$3.99
- Misc Extension$3.99
- Digital Extension$3.99
- Extension Pack$12.99
Questions
Is Simurelay free?
Is Circuit Simulator free?
Which has better reviews, Simurelay or Circuit Simulator?
Do Simurelay or Circuit Simulator have ads?
Which is updated more often, Simurelay or Circuit Simulator?
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