# Different Calcul vs Chat AI

The clearest difference is in-app purchases: Different Calcul at none against Chat AI's 3. Different Calcul also leads on iOS requirement (12.0 vs 15.6). Chat AI's advantage is device support. On price there is nothing between them.

Both are free to download. Chat AI sells 3 in-app purchases, starting at $3.99 per 7 days. Different Calcul asks for nothing beyond the download.

## The numbers

| Metric | Different Calcul | Chat AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (8 ratings)](https://appshunter.io/ios/app/chat-ai-chatbot-and-assistant/id1672248522/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 97.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 54 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [雪奎 周](https://appshunter.io/developer/1579814396) | [ParticleThink Technology Co., Ltd.](https://appshunter.io/developer/1630886372) |

## What reviewers say

### Different Calcul

[App page](https://appshunter.io/ios/app/different-calcul/id1660195342)

**In-app purchases:** none


### Chat AI

[App page](https://appshunter.io/ios/app/chat-ai-chatbot-and-assistant/id1672248522)

This AI-powered application assists with a wide range of tasks, from answering complex questions and writing essays to acting as a personal secretary or coding assistant. It leverages the 3.5-turbo model to provide human-like responses and offers pre-prepared prompts for various topics.

**Highlights:** AI-powered assistance, Essay writing, Coding help, Personal secretary functions, Knowledge encyclopedia, Email drafting, Travel advice

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Premium | $3.99 | per 7 days |
| AI Premium | $9.99 | per month |
| AI Premium | $29.99 | per year |


## Frequently asked questions

### Is Different Calcul free?

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

### Is Chat AI free?

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

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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.*