# Electronic Toolbox Pro vs CircuitShepherd

The clearest difference is review sentiment: Electronic Toolbox Pro at 93% against CircuitShepherd's 0%. Electronic Toolbox Pro also leads on rating (4.7 vs 1.5) and in-app purchases (none vs 1). CircuitShepherd's advantage is price (Free vs $12.99) and update cadence (every 3 weeks vs every 2 months). On ads and device support there is nothing between them.

CircuitShepherd is free to download; Electronic Toolbox Pro costs $12.99 up front. CircuitShepherd sells 1 in-app purchase, starting at $6.99 per month. Electronic Toolbox Pro asks for nothing beyond the download.

Electronic Toolbox Pro holds the better App Store score, 4.7 against 1.5. That said, the two scores are not equally well evidenced: Electronic Toolbox Pro has 245 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 93% of Electronic Toolbox Pro's written reviews are positive against 0% of CircuitShepherd's.

Electronic Toolbox Pro ships an update every 2 months, CircuitShepherd every 3 weeks. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Electronic Toolbox Pro | CircuitShepherd |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.7 (245 ratings)](https://appshunter.io/ios/app/electronic-toolbox-pro/id339158729/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/circuitshepherd/id1598606653/reviews) |
| Number of ratings | **245** | 2 |
| Positive reviews | **92.6% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 201 MB | 49 MB |
| Requires iOS | **11.1** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Roskosch](https://appshunter.io/developer/334053438) | [Josef Woess](https://appshunter.io/developer/1597520399) |

## What reviewers say

### Electronic Toolbox Pro

[App page](https://appshunter.io/ios/app/electronic-toolbox-pro/id339158729)

This comprehensive electronics engineering app provides professionals, hobbyists, and students with a vast array of tools and reference materials. It features a circuit editor, numerous calculation and conversion tools, and extensive component specifications with parametric search capabilities.

**Highlights:** Circuit Editor, Component reference with parametric search, Numerous calculation tools, Unit and HEX/Decimal conversion tools, Scientific calculator, frequency generator, oscilloscope, Project diagram and document storage, Reference tools for major development boards

**In-app purchases:** none

**What reviewers like**

- 🚀 Comprehensive database
- 🔍 Detailed component information
- 👍 Intuitive and easy to use
- ⚡ Frequent updates
- 🛠️ Useful calculators and tools

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Missing some component data
- 🔌 Compatibility issues on older devices

**Reported bugs**

- Equation disappearing in calculator
- Circuit editor not working with touch input

**Requested features**

- More microcontroller and SBC support
- Circuit simulation and design capabilities
- Educational resources and tutorials
- Improved circuit editor functionality


### CircuitShepherd

[App page](https://appshunter.io/ios/app/circuitshepherd/id1598606653)

Automate electronic circuit design with AI-driven parameter optimization. Define schematics and design goals, and the software finds optimal part values in real-time. Save time on calculations and iterations with this intuitive tool.

**Highlights:** Automated parameter optimization, AI-driven circuit engineering, Real-time design goal finding, Intuitive user interface, Schematic definition, Part value calculation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| full version | $6.99 | per month |


## Frequently asked questions

### Is Electronic Toolbox Pro free?

Electronic Toolbox Pro costs $12.99, with no in-app purchases.

### Is CircuitShepherd free?

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

### Which has better reviews, Electronic Toolbox Pro or CircuitShepherd?

Electronic Toolbox Pro is rated higher. Electronic Toolbox Pro averages 4.7 out of 5 from 245 ratings, while CircuitShepherd averages 1.5 from 2 ratings.

### Do Electronic Toolbox Pro or CircuitShepherd have ads?

Neither Electronic Toolbox Pro nor CircuitShepherd shows ads.

### Which is updated more often, Electronic Toolbox Pro or CircuitShepherd?

Electronic Toolbox Pro ships an update every 2 months, and CircuitShepherd every 3 weeks. Most recently, Electronic Toolbox Pro was updated on October 15, 2026 and CircuitShepherd on October 2, 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.*