# PromptSmith vs Ai Gravity

The clearest difference is in-app purchases: PromptSmith at none against Ai Gravity's 3. Ai Gravity's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ai Gravity sells 3 in-app purchases, starting at $4.99 per 7 days. PromptSmith asks for nothing beyond the download.

## The numbers

| Metric | PromptSmith | Ai Gravity |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Freemium |
| Size | 5 MB | 15 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [AKIRA SASAKI](https://appshunter.io/developer/1831157554) | [Tri Noviantoro](https://appshunter.io/developer/1724636753) |

## What reviewers say

### PromptSmith

[App page](https://appshunter.io/ios/app/promptsmith/id6755958859)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PromptSmith free?

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

### Is Ai Gravity free?

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

### Do PromptSmith or Ai Gravity have ads?

PromptSmith 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.*