# Circuit vs iDroidSim

The clearest difference is review sentiment: iDroidSim at 100% against Circuit's 0%. Circuit's advantage is update cadence (every 5 weeks vs every 8 months) and price ($5.99 vs $9.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Circuit costs $5.99 and iDroidSim $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Circuit ships an update every 5 weeks, iDroidSim every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Circuit | iDroidSim |
| --- | --- | --- |
| Price | **$5.99** | $9.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idroidsim/id6471349087/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 31 MB | 61 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Vladimir Djokic](https://appshunter.io/developer/1483350231) |

## What reviewers say

### Circuit

[App page](https://appshunter.io/ios/app/circuit-design-pro/id1618696811)

Design, analyze, and solve electrical circuits with this comprehensive tool. It supports various circuit types, resistor calculations, and network conversions. Learn simplification steps graphically and study key electrical laws.

**Highlights:** Design and analyze electrical circuits, Solve resistor, capacitor, and inductor networks, Simplify complex circuit diagrams step-by-step, Convert between delta and wye networks, Convert between current and voltage sources, Design or find resistor values, Study electrical laws and formulas

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

**In-app purchases:** none


### iDroidSim

[App page](https://appshunter.io/ios/app/idroidsim/id6471349087)

This powerful circuit simulator is designed for students, hobbyists, and professionals to perform electronics circuit design calculations. It offers interactive simulation of various components and complex circuits, providing accurate results for analysis and design.

**Highlights:** Circuit simulation for electronics design, Supports a wide range of electronic components, Interactive analysis of resistive and non-linear circuits, Numeric integration for reactive elements, Tools like oscilloscopes and digital logic gates, Suitable for students and professionals

**In-app purchases:** none


## Frequently asked questions

### Is Circuit free?

Circuit costs $5.99, with no in-app purchases.

### Is iDroidSim free?

iDroidSim costs $9.99, with no in-app purchases.

### Do Circuit or iDroidSim have ads?

Neither Circuit nor iDroidSim shows ads.

### Which is updated more often, Circuit or iDroidSim?

Circuit ships an update every 5 weeks, and iDroidSim every 8 months. Most recently, Circuit was updated on October 24, 2026 and iDroidSim on October 24, 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.*