# OSS Document Scanner vs SubnetCalc Pro

The clearest difference is price: OSS Document Scanner at Free against SubnetCalc Pro's $0.99. OSS Document Scanner also leads on update cadence (fortnightly vs every 3 months) and device support (3 vs 1). SubnetCalc Pro's advantage is in-app purchases (none vs 5). On ads there is nothing between them.

OSS Document Scanner is free to download; SubnetCalc Pro costs $0.99 up front. OSS Document Scanner sells 5 one-off in-app purchases. SubnetCalc Pro asks for nothing beyond the download.

OSS Document Scanner ships an update fortnightly, SubnetCalc Pro every 3 months. The most recent releases landed on October 2, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | OSS Document Scanner | SubnetCalc Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/oss-document-scanner/id6472918564/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 78 MB | 1 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Akylas](https://appshunter.io/developer/895717279) | [Julian Christopher Siebert](https://appshunter.io/developer/1830495244) |

## What reviewers say

### OSS Document Scanner

[App page](https://appshunter.io/ios/app/oss-document-scanner/id6472918564)

Transform your mobile device into a powerful document scanner. Easily scan, enhance, organize, and export documents as PDFs or images. Features offline OCR and secure password protection for your files.

**Highlights:** Fast camera scanning with automatic edge detection, Bulk scanning and import from images/PDFs, Enhance PDF quality with filters and editing tools, Organize documents with colored folders and sorting, Export to PDF, JPEG, or PNG, Offline OCR for searchable PDFs, Password protection for generated PDFs

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| a coffee | $0.99 | one-time |
| a big coffee | $1.99 | one-time |
| a beer | $3.99 | one-time |
| a pint | $8.99 | one-time |
| a very nice donation | $17.99 | one-time |


### SubnetCalc Pro

[App page](https://appshunter.io/ios/app/subnetcalc-pro/id6754798969)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OSS Document Scanner free?

OSS Document Scanner is free to download, with in-app purchases available.

### Is SubnetCalc Pro free?

SubnetCalc Pro costs $0.99, with no in-app purchases.

### Do OSS Document Scanner or SubnetCalc Pro have ads?

Neither OSS Document Scanner nor SubnetCalc Pro shows ads.

### Which is updated more often, OSS Document Scanner or SubnetCalc Pro?

OSS Document Scanner ships an update fortnightly, and SubnetCalc Pro every 3 months. Most recently, OSS Document Scanner was updated on October 2, 2026 and SubnetCalc Pro on September 11, 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.*