# AI 4.0 | Chatbot vs AiChat

The clearest difference is monetization model: AiChat at free with in-app purchases against AI 4.0 | Chatbot's subscription. AiChat also leads on rating (5.0 vs 4.6) and iOS requirement (13.0 vs 15). AI 4.0 | Chatbot's advantage is ratings volume (130 vs 1) and device support (4 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI 4.0 | Chatbot sells 3 in-app purchases, starting at $6.99 per 7 days and AiChat sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

AiChat holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AI 4.0 | Chatbot has 130 ratings behind it against 1, so its average is the more settled of the two.

AI 4.0 | Chatbot ships an update every 10 days, AiChat weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | AI 4.0 | Chatbot | AiChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (130 ratings)](https://appshunter.io/ios/app/ai-40-chatbot/id1664402132/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aichat-summarize-ai/id6468960885/reviews)** |
| Number of ratings | **130** | 1 |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 121 MB | 45 MB |
| Requires iOS | 15 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CODEPAD YAZILIM VE DIJITAL HIZMETLER LIMITED SIRKETI](https://appshunter.io/developer/907140692) | [晨光 刘](https://appshunter.io/developer/1447254079) |

## What reviewers say

### AI 4.0 | Chatbot

[App page](https://appshunter.io/ios/app/ai-40-chatbot/id1664402132)

This AI-powered assistant simulates human conversation using advanced natural language processing. It can understand and respond to a wide range of inquiries, offering quick and efficient assistance for tasks like information retrieval and customer service. The app is designed for seamless integration into various platforms.

**Highlights:** Simulates human conversation, Natural language processing, Machine learning techniques, Vast text data training, Information retrieval, Customer service support, Language translation

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly \| Pro | $6.99 | per 7 days |
| Monthly Premium  \| Pro | $14.99 | per month |
| Yearly Premium  \| Pro | $39.99 | per year |


### AiChat

[App page](https://appshunter.io/ios/app/aichat-summarize-ai/id6468960885)

This AI-powered assistant leverages advanced language models to help users with a wide range of writing tasks, from essays and songs to code and emails. It can also summarize text, correct grammar, and translate languages, acting as a versatile tool for creativity and productivity.

**Highlights:** Essay writing assistance, AI-powered songwriting, Story generation, Code generation, Email composition, Text summarization, Grammar correction

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $5.99 | per month |
| Yearly Subscription | $39.99 | per year |
| $9.99 a year | $9.99 | one-time |


## Frequently asked questions

### Is AI 4.0 | Chatbot free?

AI 4.0 | Chatbot is free to download, with in-app purchases available.

### Is AiChat free?

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

### Which has better reviews, AI 4.0 | Chatbot or AiChat?

AiChat is rated higher. AI 4.0 | Chatbot averages 4.6 out of 5 from 130 ratings, while AiChat averages 5.0 from 1 ratings.

### Do AI 4.0 | Chatbot or AiChat have ads?

Neither AI 4.0 | Chatbot nor AiChat shows ads.

### Which is updated more often, AI 4.0 | Chatbot or AiChat?

AI 4.0 | Chatbot ships an update every 10 days, and AiChat weekly. Most recently, AI 4.0 | Chatbot was updated on November 3, 2026 and AiChat on November 3, 2026.

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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.*