# PDF AI vs Atomic BI

The clearest difference is in-app purchases: Atomic BI at none against PDF AI's 5. Atomic BI also leads on ads (none vs shown) and device support (4 vs 2). On price and update cadence there is nothing between them.

Both are free to download. PDF AI sells 5 in-app purchases, starting at $7.99 per 7 days. Atomic BI asks for nothing beyond the download.

PDF AI ships an update every 3 weeks, Atomic BI monthly. The most recent releases landed on November 8, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PDF AI | Atomic BI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (162 ratings)](https://appshunter.io/ios/app/pdf-ai-editor-scanner-chat/id6581489325/reviews)** | — |
| Number of ratings | **162** | — |
| Positive reviews | 89.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 29 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sophon LLC](https://appshunter.io/developer/6792217014) | [Atomic BI](https://appshunter.io/developer/1834582502) |

## What reviewers say

### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-editor-scanner-chat/id6581489325)

This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.

**Highlights:** Edit PDF text and images, AI-powered summaries and highlights, Annotate and collaborate on documents, Fill and e-sign forms, Convert PDFs to Word, Excel, PPT, Images, TXT, Secure offline scanning and organization

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $7.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Weekly VIP | $9.99 | per 7 days |
| Monthly VIP | $14.99 | per month |
| Yearly VIP | $59.99 | per year |


### Atomic BI

[App page](https://appshunter.io/ios/app/atomic-bi/id6751311911)

**In-app purchases:** none


## Frequently asked questions

### Is PDF AI free?

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

### Is Atomic BI free?

Atomic BI is free to download, with no in-app purchases.

### Do PDF AI or Atomic BI have ads?

PDF AI shows ads; Atomic BI does not.

### Which is updated more often, PDF AI or Atomic BI?

PDF AI ships an update every 3 weeks, and Atomic BI monthly. Most recently, PDF AI was updated on November 8, 2026 and Atomic BI on October 28, 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.*