# AI ChatBot Assistant ChatUltra vs ChatBrief

The clearest difference is update cadence: ChatBrief at every 2 days against AI ChatBot Assistant ChatUltra's every 2 months. ChatBrief also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI ChatBot Assistant ChatUltra sells 6 in-app purchases, starting at $5.99 per 7 days and ChatBrief sells 1 in-app purchase, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

AI ChatBot Assistant ChatUltra ships an update every 2 months, ChatBrief every 2 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI ChatBot Assistant ChatUltra | ChatBrief |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.5K ratings)](https://appshunter.io/ios/app/ai-chatbot-assistant-chatultra/id6458545071/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 99 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Agile Apps LLC](https://appshunter.io/developer/1735876999) | [jinhyun kim](https://appshunter.io/developer/1874477094) |

## What reviewers say

### AI ChatBot Assistant ChatUltra

[App page](https://appshunter.io/ios/app/ai-chatbot-assistant-chatultra/id6458545071)

This AI-powered assistant acts as a versatile writing partner, research helper, and productivity booster. It can generate text, create images from descriptions, summarize documents and videos, and assist with homework and coding. Users can interact by typing, speaking, or uploading files.

**Highlights:** Next-Gen AI Chatbot, AI Image Generator, Smarter Writing & Content Creation, Homework Helper & Study Partner, AI Image & File Tools, Boost Productivity

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Chatbot Ultra: Pro Access | $5.99 | per 7 days |
| Chatbot Premium JPT Generation | $9.99 | per 7 days |
| Chatbot Ultra AI: Monthly | $19.99 | per month |
| AI Chat Ultra: Pro Yearly | $39.99 | per year |
| Chatbot Ultra AI - Yearly | $59.99 | per year |
| AI Chat Lifetime Generation | $99.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and responsive
- 💡 Helpful AI assistant
- 🤖 Impressive AI capabilities
- 🔍 Useful for research and writing

**What reviewers complain about**

- 💰 Paid subscription required
- 🐛 Occasional crashes or bugs
- 🕰️ Slow response times after prolonged use
- 📢 Intrusive pop-up ads or review requests

**Reported bugs**

- Login issues or account problems
- Inconsistent performance across devices
- Incomplete or outdated knowledge base

**Requested features**

- Dark mode option
- Voice input and output
- Improved integration with other apps
- More customization options


### ChatBrief

[App page](https://appshunter.io/ios/app/chatbrief/id6758688964)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatBrief Pro | $5.99 | per month |


## Frequently asked questions

### Is AI ChatBot Assistant ChatUltra free?

AI ChatBot Assistant ChatUltra is free to download, with in-app purchases available.

### Is ChatBrief free?

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

### Do AI ChatBot Assistant ChatUltra or ChatBrief have ads?

Neither AI ChatBot Assistant ChatUltra nor ChatBrief shows ads.

### Which is updated more often, AI ChatBot Assistant ChatUltra or ChatBrief?

AI ChatBot Assistant ChatUltra ships an update every 2 months, and ChatBrief every 2 days. Most recently, AI ChatBot Assistant ChatUltra was updated on November 7, 2026 and ChatBrief on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*