# DA PA Checker vs JSON Viewer(Pro)

The clearest difference is price: DA PA Checker at Free against JSON Viewer(Pro)'s $2.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

DA PA Checker is free to download; JSON Viewer(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DA PA Checker | JSON Viewer(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/da-pa-checker/id1602491197/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | Free | — |
| Size | 18 MB | 64 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### DA PA Checker

[App page](https://appshunter.io/ios/app/da-pa-checker/id1602491197)

This tool helps you quickly check the Domain Authority (DA) and Page Authority (PA) of websites. It provides accurate scores for individual URLs or in bulk, aiding in SEO strategy and competitor analysis.

**Highlights:** Check Domain Authority (DA), Check Page Authority (PA), Bulk URL checking (up to 20), Easy-to-use interface, Accurate score calculation, Unlimited free usage

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON Viewer(Pro)

[App page](https://appshunter.io/ios/app/json-viewerpro/id6740746553)

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

**In-app purchases:** none


## Frequently asked questions

### Is DA PA Checker free?

DA PA Checker is free to download, with no in-app purchases.

### Is JSON Viewer(Pro) free?

JSON Viewer(Pro) costs $2.99, with no in-app purchases.

### Do DA PA Checker or JSON Viewer(Pro) have ads?

Neither DA PA Checker nor JSON Viewer(Pro) shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*