# CircuitShepherd vs Scrollo

The clearest difference is in-app purchases: Scrollo at none against CircuitShepherd's 1. CircuitShepherd's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

CircuitShepherd ships an update every 3 weeks, Scrollo every 2 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CircuitShepherd | Scrollo |
| --- | --- | --- |
| 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** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 59 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Josef Woess](https://appshunter.io/developer/1597520399) | [Zakhar Ipatov](https://appshunter.io/developer/6794474654) |

## 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 |


### Scrollo

[App page](https://appshunter.io/ios/app/scrollo-exercise-app-blocker/id6794474652)

**In-app purchases:** none


## Frequently asked questions

### Is CircuitShepherd free?

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

### Is Scrollo free?

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

### Do CircuitShepherd or Scrollo have ads?

Neither CircuitShepherd nor Scrollo shows ads.

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

CircuitShepherd ships an update every 3 weeks, and Scrollo every 2 months. Most recently, CircuitShepherd was updated on October 2, 2026 and Scrollo on October 8, 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.*