# CROSSNote HLM vs ChatAI

The clearest difference is in-app purchases: CROSSNote HLM at none against ChatAI's 3. CROSSNote HLM also leads on update cadence (every 5 days vs every 3 weeks). ChatAI's advantage is iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. ChatAI sells 3 in-app purchases, starting at $3.99 per 7 days. CROSSNote HLM asks for nothing beyond the download.

CROSSNote HLM ships an update every 5 days, ChatAI every 3 weeks. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CROSSNote HLM | ChatAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/chatai-ai-chatbot-assistant/id6446118267/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 105 MB | 6 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Alejandro Ramon Cornet](https://appshunter.io/developer/1220988317) | [浩 刘](https://appshunter.io/developer/1433579709) |

## What reviewers say

### CROSSNote HLM

[App page](https://appshunter.io/ios/app/crossnote-hlm/id1509713631)

**In-app purchases:** none


### ChatAI

[App page](https://appshunter.io/ios/app/chatai-ai-chatbot-assistant/id6446118267)

Engage in thoughtful conversations, brainstorm creative ideas, or generate various forms of written content. This AI-powered chatbot offers personalized responses across a wide range of topics.

**Highlights:** AI-powered chatbot, Personalized responses, Brainstorm creative ideas, Write long-form content, Casual conversation, Understand wide range of topics

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatAI Vip Subscrition Weekly | $3.99 | per 7 days |
| Vip Subscription Monthly | $12.99 | per month |
| ChatAI Vip Sbuscription Yearly | $29.99 | per year |


## Frequently asked questions

### Is CROSSNote HLM free?

CROSSNote HLM is free to download, with no in-app purchases.

### Is ChatAI free?

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

### Do CROSSNote HLM or ChatAI have ads?

Neither CROSSNote HLM nor ChatAI shows ads.

### Which is updated more often, CROSSNote HLM or ChatAI?

CROSSNote HLM ships an update every 5 days, and ChatAI every 3 weeks. Most recently, CROSSNote HLM was updated on October 3, 2026 and ChatAI on October 4, 2026.

---

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