# Proteus Sensor Cloud vs Circuit Simulator Q

The clearest difference is in-app purchases: Proteus Sensor Cloud at none against Circuit Simulator Q's 2. Circuit Simulator Q's advantage is ads (none vs shown) and update cadence (every 2 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Circuit Simulator Q sells 2 in-app purchases, starting at $4.99 per 7 days. Proteus Sensor Cloud asks for nothing beyond the download.

Proteus Sensor Cloud ships an update every 6 weeks, Circuit Simulator Q every 2 days. The most recent releases landed on May 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Proteus Sensor Cloud | Circuit Simulator Q |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/circuit-simulator-q/id6742368702/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 190 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avarachan Cherian](https://appshunter.io/developer/1760793132) | [Ali Mert TUFEKCI](https://appshunter.io/developer/1483311309) |

## What reviewers say

### Proteus Sensor Cloud

[App page](https://appshunter.io/ios/app/proteus-sensor-cloud/id6599858572)

**Features:** macOS Compatibility

**In-app purchases:** none


### Circuit Simulator Q

[App page](https://appshunter.io/ios/app/circuit-simulator-q/id6742368702)

Design and simulate complex digital logic circuits with an intuitive interface. Explore basic gates, build counters, ALUs, and even create your own processors. This tool brings your digital electronics ideas to life.

**Highlights:** Advanced circuit design, Qnet netlist algorithm, Build counter circuits and flip-flops, Construct Arithmetic Logic Units (ALUs), Design custom processors

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is Proteus Sensor Cloud free?

Proteus Sensor Cloud is free to download, with no in-app purchases.

### Is Circuit Simulator Q free?

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

### Do Proteus Sensor Cloud or Circuit Simulator Q have ads?

Proteus Sensor Cloud shows ads; Circuit Simulator Q does not.

### Which is updated more often, Proteus Sensor Cloud or Circuit Simulator Q?

Proteus Sensor Cloud ships an update every 6 weeks, and Circuit Simulator Q every 2 days. Most recently, Proteus Sensor Cloud was updated on May 17, 2026 and Circuit Simulator Q on September 19, 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.*