# CADIO vs CircuitShepherd

The clearest difference is rating: CADIO at 5.0 against CircuitShepherd's 1.5. CircuitShepherd's advantage is ads (none vs shown). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. CADIO sells 2 one-off in-app purchases 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.

CADIO holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

CADIO ships an update every 4 weeks, CircuitShepherd every 3 weeks. The most recent releases landed on June 1, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | CADIO | CircuitShepherd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cadio/id1566868575/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/circuitshepherd/id1598606653/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 49 MB |
| Requires iOS | **13** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Rashad](https://appshunter.io/developer/1498581848) | [Josef Woess](https://appshunter.io/developer/1597520399) |

## What reviewers say

### CADIO

[App page](https://appshunter.io/ios/app/cadio/id1566868575)

This platform offers comprehensive control over a wide range of smart home devices. Manage devices locally or via the cloud, set schedules, and receive notifications. Supports voice control and integration with popular smart home ecosystems.

**Highlights:** Easy device configuration, Local and cloud control, Unlimited device support, Device linking with sensors, Timers and schedules, Voice control, Google Home & Alexa integration

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent License | $5.99 | one-time |
| Permanent License | $7.99 | 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 CADIO free?

CADIO 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, CADIO or CircuitShepherd?

CADIO is rated higher. CADIO averages 5.0 out of 5 from 1 ratings, while CircuitShepherd averages 1.5 from 2 ratings.

### Do CADIO or CircuitShepherd have ads?

CADIO shows ads; CircuitShepherd does not.

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

CADIO ships an update every 4 weeks, and CircuitShepherd every 3 weeks. Most recently, CADIO was updated on June 1, 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.*