# Circuit vs CoursFox

The clearest difference is in-app purchases: Circuit at none against CoursFox's 3. Circuit also leads on iOS requirement (15.1 vs 17.0). CoursFox's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. CoursFox 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, CoursFox every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Circuit | CoursFox |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Ad-supported | — |
| Size | 35 MB | 6 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) | [Platka Software Digital](https://appshunter.io/developer/1885569538) |

## 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


### CoursFox

[App page](https://appshunter.io/ios/app/coursfox-pdf-to-courses/id6777681629)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $7.99 | per month |
| 6-Month Plan | $39.99 | per 6 months |
| Annual Plan | $69.99 | per year |


## Frequently asked questions

### Is Circuit free?

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

### Is CoursFox free?

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

### Do Circuit or CoursFox have ads?

Circuit shows ads; CoursFox does not.

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

Circuit ships an update every 5 weeks, and CoursFox every 5 days. Most recently, Circuit was updated on November 5, 2026 and CoursFox on October 31, 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.*