# iDroidSim vs Quantum Cats Dance

The clearest difference is price: Quantum Cats Dance at Free against iDroidSim's $9.99. Quantum Cats Dance also leads on update cadence (daily vs every 8 months). iDroidSim's advantage is device support (3 vs 1) and iOS requirement (15 vs 18.2). On ads and in-app purchases there is nothing between them.

Quantum Cats Dance is free to download; iDroidSim costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iDroidSim ships an update every 8 months, Quantum Cats Dance daily. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | iDroidSim | Quantum Cats Dance |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Monetization | Paid | — |
| Size | 61 MB | 4 MB |
| Requires iOS | **15** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Vladimir Djokic](https://appshunter.io/developer/1483350231) | [Eiki Sato](https://appshunter.io/developer/1018719847) |

## What reviewers say

### 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


### Quantum Cats Dance

[App page](https://appshunter.io/ios/app/quantum-cats-dance/id6757285319)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iDroidSim free?

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

### Is Quantum Cats Dance free?

Quantum Cats Dance is free to download, with no in-app purchases.

### Do iDroidSim or Quantum Cats Dance have ads?

Neither iDroidSim nor Quantum Cats Dance shows ads.

### Which is updated more often, iDroidSim or Quantum Cats Dance?

iDroidSim ships an update every 8 months, and Quantum Cats Dance daily. Most recently, iDroidSim was updated on September 20, 2026 and Quantum Cats Dance on September 17, 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.*