# ChatAI Bot vs SubEraser

The clearest difference is price: ChatAI Bot at Free against SubEraser's $3.99. ChatAI Bot also leads on update cadence (every 11 days vs monthly) and iOS requirement (13.0 vs 18.4). SubEraser's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

ChatAI Bot is free to download; SubEraser costs $3.99 up front. ChatAI Bot sells 2 in-app purchases, starting at $3.99 per 7 days. SubEraser asks for nothing beyond the download.

ChatAI Bot ships an update every 11 days, SubEraser monthly. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ChatAI Bot | SubEraser |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.4 (101 ratings)](https://appshunter.io/ios/app/chatai-bot-ai-chat-and-generator/id1660916821/reviews)** | — |
| Number of ratings | **101** | — |
| Positive reviews | 64.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 2 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TESUN INTERNATIONAL TECHNOLOGY LIMITED](https://appshunter.io/developer/1660916823) | [Cedrik Razafimanantsoa](https://appshunter.io/developer/1810428729) |

## What reviewers say

### ChatAI Bot

[App page](https://appshunter.io/ios/app/chatai-bot-ai-chat-and-generator/id1660916821)

This AI-powered messaging platform uses an advanced model to generate text, reply to messages, and chat in over 25 languages. It can create emails, essays, and articles, transforming conversations into productive experiences.

**Highlights:** Advanced AI model for writing, Generate emails, essays, articles, Reply and chat functionality, Supports over 25 languages, AI-powered messaging platform

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat AI Access | $3.99 | per 7 days |
| Advanced AI Assistant | $24.99 | per year |

**What reviewers like**

- 👍 Amazing AI capabilities
- 👍 Good app, intelligently made
- 👍 Great for creative writing
- 👍 Very nice and advanced
- 👍 Cool and nice

**What reviewers complain about**

- 👎 App is not free
- 👎 Subscription fee not worth it
- 👎 Horrible experience
- 👎 App is a scam
- 👎 Forced to leave review

**Reported bugs**

- App only in English or Chinese
- Answers in Chinese
- App lags when writing
- AI does not answer questions
- App forces reviews

**Requested features**

- Allow users to choose language
- Make the app free
- Improve app stability
- Fix language issues


### SubEraser

[App page](https://appshunter.io/ios/app/suberaser/id6745708274)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatAI Bot free?

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

### Is SubEraser free?

SubEraser costs $3.99, with no in-app purchases.

### Do ChatAI Bot or SubEraser have ads?

ChatAI Bot shows ads; SubEraser does not.

### Which is updated more often, ChatAI Bot or SubEraser?

ChatAI Bot ships an update every 11 days, and SubEraser monthly. Most recently, ChatAI Bot was updated on October 24, 2026 and SubEraser on October 15, 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.*