# JSON FORMATTER PRO vs AI PDF Reader

The clearest difference is in-app purchases: JSON FORMATTER PRO at none against AI PDF Reader's 2. JSON FORMATTER PRO also leads on ads (none vs shown) and ratings volume (55 vs 2). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. AI PDF Reader sells 2 in-app purchases, starting at $9.99 per 7 days. JSON FORMATTER PRO asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for JSON FORMATTER PRO against 5.0 for AI PDF Reader. That said, the two scores are not equally well evidenced: JSON FORMATTER PRO has 55 ratings behind it against 2, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | JSON FORMATTER PRO | AI PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (55 ratings)](https://appshunter.io/ios/app/json-formatter-pro/id1492653762/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ai-pdf-reader-scan-document/id6738639846/reviews)** |
| Number of ratings | **55** | 2 |
| Positive reviews | 94.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Daily | Daily |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 33 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creative Greenlight LLC](https://appshunter.io/developer/1120958194) | [Shenzhen Yicheng Information Technology Co.,Ltd](https://appshunter.io/developer/1689358660) |

## What reviewers say

### JSON FORMATTER PRO

[App page](https://appshunter.io/ios/app/json-formatter-pro/id1492653762)

This utility app simplifies JSON formatting and validation. It offers syntax error highlighting and allows users to type or paste JSON data for easy manipulation and export. Ideal for developers and anyone working with JSON on the go.

**Highlights:** Syntax Error Highlighting, JSON Formatting, Type JSON, Paste JSON, Export JSON, Syntax Validation

**Features:** macOS Compatibility

**In-app purchases:** none


### AI PDF Reader

[App page](https://appshunter.io/ios/app/ai-pdf-reader-scan-document/id6738639846)

Easily scan, convert, and organize documents with your phone's camera. Turn images into PDFs, view multiple file formats, and categorize your files automatically. Designed for students, professionals, and home users to improve work efficiency and simplify daily tasks.

**Highlights:** Scan documents to PDF, Convert images to PDF, View multi-format files, Organized file categorization, File favorites, History tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $9.99 | per 7 days |
| Yearly Membership | $39.99 | per year |


## Frequently asked questions

### Is JSON FORMATTER PRO free?

JSON FORMATTER PRO is free to download, with no in-app purchases.

### Is AI PDF Reader free?

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

### Which has better reviews, JSON FORMATTER PRO or AI PDF Reader?

AI PDF Reader is rated higher. JSON FORMATTER PRO averages 4.9 out of 5 from 55 ratings, while AI PDF Reader averages 5.0 from 2 ratings.

### Do JSON FORMATTER PRO or AI PDF Reader have ads?

AI PDF Reader shows ads; JSON FORMATTER PRO does not.

### Which is updated more often, JSON FORMATTER PRO or AI PDF Reader?

JSON FORMATTER PRO ships an update daily, and AI PDF Reader daily. Most recently, JSON FORMATTER PRO was updated on October 8, 2026 and AI PDF Reader on October 3, 2026.

---

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