# IndexOS vs Electrical Schematics

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

IndexOS is free to download; Electrical Schematics costs $2.99 up front. IndexOS sells 2 in-app purchases, starting at $3.99 per month and Electrical Schematics sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IndexOS ships an update every 4 weeks, Electrical Schematics every 4 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IndexOS | Electrical Schematics |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 155 MB | 10 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Silvio Celotto](https://appshunter.io/developer/6781339350) | [Angel Martinez](https://appshunter.io/developer/1446956865) |

## What reviewers say

### IndexOS

[App page](https://appshunter.io/ios/app/indexos/id6781729474)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IndexOS - Piano Mensile | $3.99 | per month |
| IndexOS - Piano Annuale | $44.99 | 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 IndexOS free?

IndexOS 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 IndexOS or Electrical Schematics have ads?

Neither IndexOS nor Electrical Schematics shows ads.

### Which is updated more often, IndexOS or Electrical Schematics?

IndexOS ships an update every 4 weeks, and Electrical Schematics every 4 days. Most recently, IndexOS was updated on October 8, 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.*