# Voltio Pro vs Electrical Schematics

The clearest difference is price: Voltio Pro at Free against Electrical Schematics's $2.99. Electrical Schematics's advantage is update cadence (every 4 days vs every 2 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Voltio Pro is free to download; Electrical Schematics costs $2.99 up front. Voltio Pro sells 6 in-app purchases, starting at $6.99 per month and Electrical Schematics sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Voltio Pro ships an update every 2 weeks, Electrical Schematics every 4 days. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Voltio Pro | Electrical Schematics |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 50 MB | 10 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CARLOS VIZCAINO MORENTIN](https://appshunter.io/developer/1847142629) | [Angel Martinez](https://appshunter.io/developer/1446956865) |

## What reviewers say

### Voltio Pro

[App page](https://appshunter.io/ios/app/voltio-pro/id6759069560)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Oficial | $6.99 | per month |
| Plan Maestro Mensual | $11.99 | per month |
| Plan Maestro Pro Mensual | $17.99 | per month |
| Plan Oficial Anual | $69.99 | per year |
| Plan Maestro Anual | $119.99 | per year |
| Plan Maestro Pro Anual | $179.99 | per year |


### Electrical Schematics

[App page](https://appshunter.io/ios/app/electrical-schematics-canvas/id6797312801)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Save multiple schematics | $4.99 | one-time |


## Frequently asked questions

### Is Voltio Pro free?

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

### Is Electrical Schematics free?

Electrical Schematics costs $2.99, and also offers in-app purchases.

### Do Voltio Pro or Electrical Schematics have ads?

Neither Voltio Pro nor Electrical Schematics shows ads.

### Which is updated more often, Voltio Pro or Electrical Schematics?

Voltio Pro ships an update every 2 weeks, and Electrical Schematics every 4 days. Most recently, Voltio Pro was updated on September 24, 2026 and Electrical Schematics on October 7, 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.*