# OmniSide vs PDF Studio

The clearest difference is ads: OmniSide at none against PDF Studio's shown. OmniSide also leads on update cadence (weekly vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. OmniSide sells 4 in-app purchases, starting at $12.99 per month and PDF Studio sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

OmniSide ships an update weekly, PDF Studio every 2 weeks. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OmniSide | PDF Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 103 MB | 94 MB |
| Requires iOS | 16.4 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [OMNILOGIC PTE. LTD.](https://appshunter.io/developer/1876824775) | [Edip Yılmaz](https://appshunter.io/developer/1832677947) |

## What reviewers say

### OmniSide

[App page](https://appshunter.io/ios/app/omniside-multi-ai-chat-and-work/id6759094454)

This app offers a unified platform for multiple AI models, enabling users to chat, generate images, analyze documents, and build personal knowledge bases. It provides access to leading AI technologies in a single, seamless interface.

**Highlights:** AI Chat with leading models, Generate AI images from text, Analyze and summarize documents, Build personal knowledge bases, Switch between multiple AI models, Access Claude, ChatGPT, Gemini, Grok

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $12.99 | per month |
| Ultra Monthly | $29.99 | per month |
| Pro Annually | $109.99 | per year |
| Ultra Annually | $224.99 | per year |


### PDF Studio

[App page](https://appshunter.io/ios/app/pdf-studio-editor-and-reader/id6785958834)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $2.99 | per month |
| Yearly Pro | $19.99 | per year |


## Frequently asked questions

### Is OmniSide free?

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

### Is PDF Studio free?

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

### Do OmniSide or PDF Studio have ads?

PDF Studio shows ads; OmniSide does not.

### Which is updated more often, OmniSide or PDF Studio?

OmniSide ships an update weekly, and PDF Studio every 2 weeks. Most recently, OmniSide was updated on October 23, 2026 and PDF Studio on October 12, 2026.

---

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