# AI Chat Pro vs 返信どうする？AI添削・敬語翻訳・言い換えツール

The clearest difference is ads: AI Chat Pro at none against 返信どうする？AI添削・敬語翻訳・言い換えツール's shown. AI Chat Pro also leads on iOS requirement (11.0 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. AI Chat Pro sells 1 in-app purchase, starting at $2.99 per 7 days and 返信どうする？AI添削・敬語翻訳・言い換えツール sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

AI Chat Pro ships an update fortnightly, 返信どうする？AI添削・敬語翻訳・言い換えツール every 4 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | AI Chat Pro | 返信どうする？AI添削・敬語翻訳・言い換えツール |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/ai-chat-pro-ai-chatbot/id6446093769/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Freemium | Freemium |
| Size | 38 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takumi Yoshikoshi](https://appshunter.io/developer/1655689141) | [Appricot Co.,Ltd.](https://appshunter.io/developer/1716553156) |

## What reviewers say

### AI Chat Pro

[App page](https://appshunter.io/ios/app/ai-chat-pro-ai-chatbot/id6446093769)

This AI-powered chatbot offers instant information and suggestions for daily life. It handles a wide range of tasks, from answering questions and proofreading to providing creative content and specialized advice. No registration is needed to start chatting.

**Highlights:** Instant information retrieval, Daily life problem solving, Specialized knowledge access, Content creation assistance, Language translation and proofreading, Personalized lifestyle advice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Chat Pro | $2.99 | per 7 days |


### 返信どうする？AI添削・敬語翻訳・言い換えツール

[App page](https://appshunter.io/ios/app/ai/id6741709838)

AI-powered tool to generate replies for various messages, from social media to business emails. It automatically detects the context and adjusts the tone, ensuring natural-sounding responses. Also offers proofreading and screenshot text extraction for convenience.

**Highlights:** AI-generated replies, Automatic context detection, Natural text formatting, Draft proofreading, Screenshot text extraction, Reply history and adjustment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Plan | $1.99 | per month |


## Frequently asked questions

### Is AI Chat Pro free?

AI Chat Pro is free to download, with in-app purchases available.

### Is 返信どうする？AI添削・敬語翻訳・言い換えツール free?

返信どうする？AI添削・敬語翻訳・言い換えツール is free to download, with in-app purchases available.

### Do AI Chat Pro or 返信どうする？AI添削・敬語翻訳・言い換えツール have ads?

返信どうする？AI添削・敬語翻訳・言い換えツール shows ads; AI Chat Pro does not.

### Which is updated more often, AI Chat Pro or 返信どうする？AI添削・敬語翻訳・言い換えツール?

AI Chat Pro ships an update fortnightly, and 返信どうする？AI添削・敬語翻訳・言い換えツール every 4 weeks. Most recently, AI Chat Pro was updated on October 24, 2026 and 返信どうする？AI添削・敬語翻訳・言い換えツール on October 24, 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.*