# CircuitShepherd vs 1zip

The clearest difference is in-app purchases: 1zip at none against CircuitShepherd's 1. CircuitShepherd's advantage is iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. CircuitShepherd sells 1 in-app purchase, starting at $6.99 per month. 1zip asks for nothing beyond the download.

## The numbers

| Metric | CircuitShepherd | 1zip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/circuitshepherd/id1598606653/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Josef Woess](https://appshunter.io/developer/1597520399) | [Geesec Security (Chengdu) Technology Co., Ltd](https://appshunter.io/developer/1896769275) |

## What reviewers say

### 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 |


### 1zip

[App page](https://appshunter.io/ios/app/1zip/id6772157804)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CircuitShepherd free?

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

### Is 1zip free?

1zip is free to download, with no in-app purchases.

### Do CircuitShepherd or 1zip have ads?

Neither CircuitShepherd nor 1zip shows ads.

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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.*