# Opal Chat vs AI 4.0 | Chatbot

The clearest difference is review sentiment: Opal Chat at 100% against AI 4.0 | Chatbot's 36%. Opal Chat also leads on monetization model (free with in-app purchases vs subscription) and rating (5.0 vs 4.6). AI 4.0 | Chatbot's advantage is ratings volume (130 vs 6) and device support (4 vs 2). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Opal Chat sells 1 in-app purchase, starting at $9.99 per month and AI 4.0 | Chatbot sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Opal Chat 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 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Opal Chat's written reviews are positive against 36% of AI 4.0 | Chatbot's.

Opal Chat ships an update every 2 days, AI 4.0 | Chatbot every 10 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Opal Chat | AI 4.0 | Chatbot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/opal-chat/id1662416863/reviews)** | [4.6 (130 ratings)](https://appshunter.io/ios/app/ai-40-chatbot/id1664402132/reviews) |
| Number of ratings | 6 | **130** |
| Positive reviews | **100.0% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 2 MB | 121 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Jordan Stern](https://appshunter.io/developer/1661495527) | [CODEPAD YAZILIM VE DIJITAL HIZMETLER LIMITED SIRKETI](https://appshunter.io/developer/907140692) |

## What reviewers say

### Opal Chat

[App page](https://appshunter.io/ios/app/opal-chat/id1662416863)

Generate text and images with an AI companion. Create visuals, write content, brainstorm ideas, and get personalized recommendations for various topics. Discover new insights and features by simply asking.

**Highlights:** Create images, Write articles and emails, Generate creative ideas, Analyze pros and cons, Get recommendations, Explain topics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Opal Unlimited | $9.99 | per month |


### 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 |


## Frequently asked questions

### Is Opal Chat free?

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

### Is AI 4.0 | Chatbot free?

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

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

Opal Chat is rated higher. Opal Chat averages 5.0 out of 5 from 6 ratings, while AI 4.0 | Chatbot averages 4.6 from 130 ratings.

### Do Opal Chat or AI 4.0 | Chatbot have ads?

Neither Opal Chat nor AI 4.0 | Chatbot shows ads.

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

Opal Chat ships an update every 2 days, and AI 4.0 | Chatbot every 10 days. Most recently, Opal Chat was updated on September 8, 2026 and AI 4.0 | Chatbot on September 22, 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.*