# Calctronics vs CircuitShepherd

The clearest difference is rating: Calctronics at 4.0 against CircuitShepherd's 1.5. Calctronics also leads on monetization model (free vs free with in-app purchases) and review sentiment (14% vs 0%). CircuitShepherd's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Calctronics sells 1 one-off in-app purchase and CircuitShepherd sells 1 in-app purchase, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Calctronics holds the better App Store score, 4.0 against 1.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 14% of Calctronics's written reviews are positive against 0% of CircuitShepherd's.

Calctronics ships an update every 2 months, CircuitShepherd every 3 weeks. The most recent releases landed on September 9, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Calctronics | CircuitShepherd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/calctronics-circuit-calc/id1583972990/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/circuitshepherd/id1598606653/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | **14.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 49 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anas Abubakar](https://appshunter.io/developer/1581534101) | [Josef Woess](https://appshunter.io/developer/1597520399) |

## What reviewers say

### Calctronics

[App page](https://appshunter.io/ios/app/calctronics-circuit-calc/id1583972990)

This app provides a comprehensive suite of calculators and design tools for electronic engineering. It assists with circuit design, filter analysis, and component calculations for resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic projects.

**Highlights:** Comprehensive calculator collection, Filter design with graph plotting, Resistor, transistor, capacitor design tools, Amplifier and inductor design, Circuit analysis and design, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to the Pro version | $2.99 | one-time |


### 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 Calctronics free?

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

### Is CircuitShepherd free?

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

### Which has better reviews, Calctronics or CircuitShepherd?

Calctronics is rated higher. Calctronics averages 4.0 out of 5 from 5 ratings, while CircuitShepherd averages 1.5 from 2 ratings.

### Do Calctronics or CircuitShepherd have ads?

Calctronics shows ads; CircuitShepherd does not.

### Which is updated more often, Calctronics or CircuitShepherd?

Calctronics ships an update every 2 months, and CircuitShepherd every 3 weeks. Most recently, Calctronics was updated on September 9, 2026 and CircuitShepherd on June 4, 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.*