# PDF Scanner vs CapVocab

The clearest difference is ads: CapVocab at none against PDF Scanner's shown. CapVocab also leads on update cadence (every 3 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 9 in-app purchases, starting at $0.99 per 7 days and CapVocab sells 2 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

PDF Scanner ships an update weekly, CapVocab every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Scanner | CapVocab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-scannerscan-documents-ocr/id6444020197/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 247 MB | 83 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WANHUHOU TECHNOLOGIES LIMITED](https://appshunter.io/developer/1651573647) | [喆 陈](https://appshunter.io/developer/1635893683) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scannerscan-documents-ocr/id6444020197)

Transform your phone into a smart scanner with powerful editing tools. Easily convert documents to various formats, extract text with OCR, restore old photos, and utilize AI for counting and measurement. Ideal for professionals and students needing efficient document management.

**Highlights:** Scan documents to PDF, Word, TXT, PPT, JPG, OCR text recognition and editing, Photo restoration and ID photo maker, AI counting and object measurement, Document editing (crop, rotate, highlight), Paper eraser for handwritten text removal

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全能扫描王超级VIP会员 | $0.99 | per 7 days |
| 全能扫描王超级VIP会员 | $2.99 | per month |
| 全能扫描王超级VIP会员 | $7.99 | per 7 days |
| AR PDF Scanner | $9.99 | per month |
| 全能扫描王超级VIP会员 | $39.99 | per year |
| 全能扫描王超级VIP会员 | $19.99 | one-time |
| 全能扫描王超级VIP会员 | $24.99 | one-time |
| 全能扫描王超级VIP会员 | $59.99 | one-time |
| 全能扫描王超级VIP会员 | $69.99 | one-time |


### CapVocab

[App page](https://appshunter.io/ios/app/capvocab-capture-and-remember/id6780800685)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $6.99 | per year |
| Premium Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is PDF Scanner free?

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

### Is CapVocab free?

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

### Do PDF Scanner or CapVocab have ads?

PDF Scanner shows ads; CapVocab does not.

### Which is updated more often, PDF Scanner or CapVocab?

PDF Scanner ships an update weekly, and CapVocab every 3 days. Most recently, PDF Scanner was updated on November 3, 2026 and CapVocab on October 31, 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.*