# PDF Scanner vs 地震预警

The clearest difference is device support: PDF Scanner at 2 against 地震预警's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 4 in-app purchases, starting at $4.49 per 7 days and 地震预警 sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF Scanner | 地震预警 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/pdf-scanner-document-cam-scan/id1564598064/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 7 months | — |
| Monetization | Freemium | — |
| Size | 17 MB | 70 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [OLEG CHEBULAEV](https://appshunter.io/developer/698309077) | [树轩 魏](https://appshunter.io/developer/1728876217) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-document-cam-scan/id1564598064)

Transform your device into a powerful portable scanner. Instantly digitize documents, receipts, and notes into PDF, JPG, or TXT formats. Add electronic signatures and share your scans effortlessly.

**Highlights:** Scan documents and photos to PDF, JPG, or TXT, Scan multiple pages into one document, OCR text recognition, Add electronic signatures, Share scanned documents easily, Upload to cloud services

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (7 days) | $4.49 | per 7 days |
| Pro (1 month) | $9.99 | per month |
| Pro (3 month) | $19.49 | per 3 months |
| Pro (1 year) | $28.99 | per year |


### 地震预警

[App page](https://appshunter.io/ios/app/and/id6479295528)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP包月 | $9.99 | per month |
| VIP包季 | $29.99 | per 3 months |
| VIP包年 | $39.99 | per year |


## Frequently asked questions

### Is PDF Scanner free?

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

### Is 地震预警 free?

地震预警 is free to download, with in-app purchases available.

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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.*