# SOnIA vs AI PDF Scan Pro Document Maker

The clearest difference is in-app purchases: SOnIA at none against AI PDF Scan Pro Document Maker's 2. SOnIA also leads on iOS requirement (15.0 vs 17.0). AI PDF Scan Pro Document Maker's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. AI PDF Scan Pro Document Maker sells 2 in-app purchases, starting at $4.99 per month. SOnIA asks for nothing beyond the download.

SOnIA ships an update every 3 months, AI PDF Scan Pro Document Maker every 2 weeks. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SOnIA | AI PDF Scan Pro Document Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 59 MB | 111 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Markus Otto Ludwig Berger](https://appshunter.io/developer/1750511405) | [Chintan Shah](https://appshunter.io/developer/690053140) |

## What reviewers say

### SOnIA

[App page](https://appshunter.io/ios/app/sonia/id6503953294)

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

**In-app purchases:** none


### AI PDF Scan Pro Document Maker

[App page](https://appshunter.io/ios/app/ai-pdf-scan-pro-document-maker/id6756697562)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is SOnIA free?

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

### Is AI PDF Scan Pro Document Maker free?

AI PDF Scan Pro Document Maker is free to download, with in-app purchases available.

### Do SOnIA or AI PDF Scan Pro Document Maker have ads?

Both SOnIA and AI PDF Scan Pro Document Maker show ads.

### Which is updated more often, SOnIA or AI PDF Scan Pro Document Maker?

SOnIA ships an update every 3 months, and AI PDF Scan Pro Document Maker every 2 weeks. Most recently, SOnIA was updated on September 22, 2026 and AI PDF Scan Pro Document Maker on October 6, 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.*