# DocScanProX vs Earthquake Risk Calculator

The clearest difference is in-app purchases: Earthquake Risk Calculator at none against DocScanProX's 2. Earthquake Risk Calculator also leads on update cadence (every 2 days vs every 11 days). DocScanProX's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DocScanProX sells 2 in-app purchases, starting at $0.99 per 7 days. Earthquake Risk Calculator asks for nothing beyond the download.

DocScanProX ships an update every 11 days, Earthquake Risk Calculator every 2 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DocScanProX | Earthquake Risk Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 2 days** |
| Size | 2 MB | 8 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ho Van Duoc](https://appshunter.io/developer/1435504316) | [TAHA OGUL](https://appshunter.io/developer/1885106141) |

## What reviewers say

### DocScanProX

[App page](https://appshunter.io/ios/app/docscanprox/id6791203588)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doc Scan ProX | $0.99 | per 7 days |
| Doc Scan ProX | $2.99 | per month |


### Earthquake Risk Calculator

[App page](https://appshunter.io/ios/app/earthquake-risk-calculator/id6793368643)

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

**In-app purchases:** none


## Frequently asked questions

### Is DocScanProX free?

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

### Is Earthquake Risk Calculator free?

Earthquake Risk Calculator is free to download, with no in-app purchases.

### Do DocScanProX or Earthquake Risk Calculator have ads?

Earthquake Risk Calculator shows ads; DocScanProX does not.

### Which is updated more often, DocScanProX or Earthquake Risk Calculator?

DocScanProX ships an update every 11 days, and Earthquake Risk Calculator every 2 days. Most recently, DocScanProX was updated on October 31, 2026 and Earthquake Risk Calculator on October 25, 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.*