# Arca vs OCR, Read & Convert Documents

The clearest difference is ads: Arca at none against OCR, Read & Convert Documents's shown. Arca also leads on iOS requirement (15.0 vs 18.0). OCR, Read & Convert Documents's advantage is update cadence (every 2 days vs every 8 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Arca sells 2 in-app purchases, starting at $0.99 per month and OCR, Read & Convert Documents sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Arca ships an update every 8 days, OCR, Read & Convert Documents every 2 days. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Arca | OCR, Read & Convert Documents |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 48 MB | 12 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MIN KYU KANG](https://appshunter.io/developer/1744100711) | [Anatol Radzko](https://appshunter.io/developer/6796613176) |

## What reviewers say

### Arca

[App page](https://appshunter.io/ios/app/arca-save-links-keep-value/id6791397920)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arca Basic Monthly | $0.99 | per month |
| Arca Basic Yearly | $9.99 | per year |


### OCR, Read & Convert Documents

[App page](https://appshunter.io/ios/app/ocr-read-and-convert-documents/id6800818673)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Editor Monthly | $1.99 | per month |
| LibreDoc Full Pro | $3.99 | per month |
| PDF Editor Annual | $12.99 | per year |
| Full Pro Annual | $22.99 | per year |


## Frequently asked questions

### Is Arca free?

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

### Is OCR, Read & Convert Documents free?

OCR, Read & Convert Documents is free to download, with in-app purchases available.

### Do Arca or OCR, Read & Convert Documents have ads?

OCR, Read & Convert Documents shows ads; Arca does not.

### Which is updated more often, Arca or OCR, Read & Convert Documents?

Arca ships an update every 8 days, and OCR, Read & Convert Documents every 2 days. Most recently, Arca was updated on October 7, 2026 and OCR, Read & Convert Documents on October 16, 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.*