# Chat AI vs Hephaistos

The clearest difference is in-app purchases: Chat AI at none against Hephaistos's 6. Hephaistos's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hephaistos sells 6 in-app purchases, starting at $8.99 per month. Chat AI asks for nothing beyond the download.

Chat AI ships an update every 5 days, Hephaistos every 2 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Chat AI | Hephaistos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/chat-ai-personal-assistant/id1667023726/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 69.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 39 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Azancot](https://appshunter.io/developer/507868249) | [Logan Ablaoui](https://appshunter.io/developer/1874952906) |

## What reviewers say

### Chat AI

[App page](https://appshunter.io/ios/app/chat-ai-personal-assistant/id1667023726)

This AI-powered assistant lets you chat, create stunning images, learn new skills, and stay updated on the latest trends. Engage in conversations with various personalities, get instant answers to any question, and explore the world of AI.

**Highlights:** AI-powered chat assistant, Conversations with personalities, AI image generation, Coding and language learning, Real-time web search, Multilingual support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and informative
- 🚀 Helpful and efficient
- 💡 Transformative app
- 👍 Detailed and accurate
- 👍 Great app

**What reviewers complain about**

- 🐛 Crashes frequently
- 🔋 High battery consumption
- 💰 Ads and paywall
- 🐛 Doesn't work properly
- 🐛 Glitchy and buggy

**Reported bugs**

- Crashes after multiple uses
- Ads get stuck and can't be closed
- Doesn't generate images as promised
- Freezes and stops responding

**Requested features**

- Dark mode option
- Vocal mode
- Fewer ads or paid version
- Improved stability and reliability


### Hephaistos

[App page](https://appshunter.io/ios/app/hephaistos/id6761625537)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark (monthly) | $8.99 | per month |
| Flame (monthly) | $24.99 | per month |
| Titan (monthly) | $44.99 | per month |
| Spark (yearly) | $89.99 | per year |
| Flame (yearly) | $249.00 | per year |
| Titan (yearly) | $399.00 | per year |


## Frequently asked questions

### Is Chat AI free?

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

### Is Hephaistos free?

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

### Do Chat AI or Hephaistos have ads?

Chat AI shows ads; Hephaistos does not.

### Which is updated more often, Chat AI or Hephaistos?

Chat AI ships an update every 5 days, and Hephaistos every 2 days. Most recently, Chat AI was updated on October 24, 2026 and Hephaistos on October 19, 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.*