# Ai Gravity vs Compress PDF

The clearest difference is ads: Ai Gravity at none against Compress PDF's shown. Compress PDF's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Ai Gravity sells 3 in-app purchases, starting at $4.99 per 7 days and Compress PDF sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Ai Gravity | Compress PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/ai-gravity-smart-assistant/id6780536826/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 15 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tri Noviantoro](https://appshunter.io/developer/1724636753) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## What reviewers say

### Ai Gravity

[App page](https://appshunter.io/ios/app/ai-gravity-smart-assistant/id6780536826)

This AI assistant helps you chat, generate and edit images, analyze documents, and browse the web. It offers powerful AI tools in a simple interface for everyday tasks, with free and unlimited Pro options.

**Highlights:** AI chat for questions and writing, Image generation from text, Image editing, Document and photo analysis, Web browsing mode, Voice input

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fable AI Pro Weekly | $4.99 | per 7 days |
| Fable AI Pro Monthly | $19.99 | per month |
| Fable AI Pro Yearly | $59.99 | per year |


### Compress PDF

[App page](https://appshunter.io/ios/app/compress-pdf-pdf-compressor/id6790176607)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $2.99 | per 7 days |
| Premium Month | $7.99 | per month |
| Premium Year | $49.99 | per year |


## Frequently asked questions

### Is Ai Gravity free?

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

### Is Compress PDF free?

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

### Do Ai Gravity or Compress PDF have ads?

Compress PDF shows ads; Ai Gravity does not.

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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.*