# Simurelay vs Circuit Simulator

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.

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.

## The numbers

| Metric | Simurelay | Circuit Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (17 ratings)](https://appshunter.io/ios/app/simurelay/id1580180864/reviews) | **[4.7 (72 ratings)](https://appshunter.io/ios/app/circuit-simulator-voltsim/id6736870364/reviews)** |
| Number of ratings | 17 | **72** |
| Positive reviews | 52.3% of reviews | **72.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 19 MB | 103 MB |
| Requires iOS | 15.6 | **15.3** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdessamed Benkabouya](https://appshunter.io/developer/1580180866) | [Sindhu Gopi](https://appshunter.io/developer/1773585161) |

## What reviewers say

### Simurelay

[App page](https://appshunter.io/ios/app/simurelay/id1580180864)

Design and simulate electromechanical systems with a wide range of basic electrical components. Create detailed electrical diagrams using relays, switches, buttons, contactors, and timers.

**Highlights:** Design electromechanical systems, Simulate electrical diagrams, Basic electrical components library, Relays, switches, buttons, contactors, Timers and motors simulation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timers Coils and Contacts | $7.99 | one-time |
| Advanced Tools | $7.99 | one-time |
| Full Version | $14.99 | one-time |


### Circuit Simulator

[App page](https://appshunter.io/ios/app/circuit-simulator-voltsim/id6736870364)

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.

**Highlights:** Real-time electronic circuit simulation, Digital circuit simulation, Voltage and current analysis, Multichannel oscilloscope, Multimeter tools, Circuit design and tuning

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extensions Subscription | $0.99 | per month |
| Sensors Extension | $0.99 | one-time |
| Custom Chips Extension | $1.99 | one-time |
| Instruments extension | $2.99 | one-time |
| Analog Extension | $3.99 | one-time |
| Misc Extension | $3.99 | one-time |
| Digital Extension | $3.99 | one-time |
| Extension Pack | $12.99 | one-time |


## Frequently asked questions

### Is Simurelay free?

Simurelay is free to download, with in-app purchases available.

### Is Circuit Simulator free?

Circuit Simulator is free to download, with in-app purchases available.

### Which has better reviews, Simurelay or Circuit Simulator?

Circuit Simulator is rated higher. Simurelay averages 3.9 out of 5 from 17 ratings, while Circuit Simulator averages 4.7 from 72 ratings.

### Do Simurelay or Circuit Simulator have ads?

Neither Simurelay nor Circuit Simulator shows ads.

### Which is updated more often, Simurelay or Circuit Simulator?

Simurelay ships an update every 7 months, and Circuit Simulator every 6 weeks. Most recently, Simurelay was updated on August 1, 2026 and Circuit Simulator on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*