# Chatbot Open vs AI Writing Assistant

The clearest difference is ads: AI Writing Assistant at none against Chatbot Open's shown. Chatbot Open's advantage is update cadence (every 2 days vs every 2 months) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chatbot Open sells 2 in-app purchases, starting at $0.99 per 7 days and AI Writing Assistant sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chatbot Open ships an update every 2 days, AI Writing Assistant every 2 months. The most recent releases landed on September 8, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Chatbot Open | AI Writing Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 34 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晓椰 刘](https://appshunter.io/developer/1649682955) | [Zyur](https://appshunter.io/developer/1744537395) |

## What reviewers say

### Chatbot Open

[App page](https://appshunter.io/ios/app/chatbot-openassistant-pro/id1671756566)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro for 1 Week | $0.99 | per 7 days |
| Pro for 1 Month | $2.99 | per month |


### AI Writing Assistant

[App page](https://appshunter.io/ios/app/ai-writing-assistant-elevate/id6742157638)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Annual | $79.99 | per year |
| 5 Premium & 50 Basic Usages | $2.99 | one-time |
| 10 Premium & 100 Basic Usages | $4.99 | one-time |


## Frequently asked questions

### Is Chatbot Open free?

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

### Is AI Writing Assistant free?

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

### Do Chatbot Open or AI Writing Assistant have ads?

Chatbot Open shows ads; AI Writing Assistant does not.

### Which is updated more often, Chatbot Open or AI Writing Assistant?

Chatbot Open ships an update every 2 days, and AI Writing Assistant every 2 months. Most recently, Chatbot Open was updated on September 8, 2026 and AI Writing Assistant on September 16, 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.*