# Circuit vs Circuit Design

The clearest difference is in-app purchases: Circuit at none against Circuit Design's 3. Circuit also leads on iOS requirement (15.1 vs 17.0). Circuit Design's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Circuit Design sells 3 in-app purchases, starting at $7.99 per month. Circuit asks for nothing beyond the download.

Circuit ships an update every 5 weeks, Circuit Design every 2 months. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Circuit | Circuit Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/circuit-design/id1618728154/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Tu Anh Do](https://appshunter.io/developer/738947045) |

## What reviewers say

### Circuit

[App page](https://appshunter.io/ios/app/circuit-design/id1618728154)

Design, analyze, and solve electrical circuits with this comprehensive tool. It supports various circuit types, simplifies complex networks step-by-step, and includes educational resources on electrical laws and formulas. Save and share your designs locally.

**Highlights:** Design and analyze electrical circuits, Simplify complex resistor, capacitor, and inductor networks, Convert delta to wye and vice versa, Convert current to voltage sources and vice versa, Design or find resistor values, Step-by-step simplification visualization, Educational study tab with electrical laws and formulas

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

**In-app purchases:** none


### Circuit Design

[App page](https://appshunter.io/ios/app/circuit-design/id6776538242)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Circuit Design Premium Monthly | $7.99 | per month |
| Circuit Design Premium Yearly | $29.99 | per year |
| Circuit Design Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Circuit free?

Circuit is free to download, with no in-app purchases.

### Is Circuit Design free?

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

### Do Circuit or Circuit Design have ads?

Circuit shows ads; Circuit Design does not.

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

Circuit ships an update every 5 weeks, and Circuit Design every 2 months. Most recently, Circuit was updated on October 12, 2026 and Circuit Design on October 5, 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.*