# PDF AI vs Octag Ai

The clearest difference is ads: PDF AI at none against Octag Ai's shown. PDF AI also leads on iOS requirement (15.0 vs 18.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PDF AI sells 2 in-app purchases, starting at $5.99 per month and Octag Ai sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PDF AI | Octag Ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/octag-ai/id6752037593/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 42 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Doreen Eichelberger](https://appshunter.io/developer/1764091825) | [Octag AI LLC](https://appshunter.io/developer/1837542453) |

## What reviewers say

### PDF AI

[App page](https://appshunter.io/ios/app/pdf-ai-doc-scan-editor-reader/id6636529981)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $5.99 | per month |
| 1 Year Premium | $39.99 | per year |


### Octag Ai

[App page](https://appshunter.io/ios/app/octag-ai/id6752037593)

Discover public figures' social media profiles from photos or videos using advanced AI visual search. Upload media, and the AI analyzes it to find verified matches across the web, providing direct links to official channels. Offers free daily searches with an optional subscription for enhanced features.

**Highlights:** AI visual search for public figures, Find social media profiles from photos/videos, Instant tagging gallery, AI assistant chat for results, Free daily searches, Ad-free Pro subscription option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Token Pack (10) | $0.99 | one-time |


## Frequently asked questions

### Is PDF AI free?

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

### Is Octag Ai free?

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

### Do PDF AI or Octag Ai have ads?

Octag Ai shows ads; PDF AI does not.

---

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