# 敬語ボタン｜AI変換・返信キーボード vs Due Date Pro

The clearest difference is in-app purchases: 敬語ボタン｜AI変換・返信キーボード at none against Due Date Pro's 1. 敬語ボタン｜AI変換・返信キーボード also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Due Date Pro sells 1 one-off in-app purchase. 敬語ボタン｜AI変換・返信キーボード asks for nothing beyond the download.

敬語ボタン｜AI変換・返信キーボード ships an update every 3 days, Due Date Pro fortnightly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 敬語ボタン｜AI変換・返信キーボード | Due Date Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 228 MB | 9 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yihuan Sun](https://appshunter.io/developer/1865050525) | [Anbery](https://appshunter.io/developer/1887025046) |

## What reviewers say

### 敬語ボタン｜AI変換・返信キーボード

[App page](https://appshunter.io/ios/app/ai/id6777901723)

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

**In-app purchases:** none


### Due Date Pro

[App page](https://appshunter.io/ios/app/due-date-pro/id6790180714)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro (Ad-Free) | $2.99 | one-time |


## Frequently asked questions

### Is 敬語ボタン｜AI変換・返信キーボード free?

敬語ボタン｜AI変換・返信キーボード is free to download, with no in-app purchases.

### Is Due Date Pro free?

Due Date Pro is free to download, with in-app purchases available.

### Do 敬語ボタン｜AI変換・返信キーボード or Due Date Pro have ads?

Due Date Pro shows ads; 敬語ボタン｜AI変換・返信キーボード does not.

### Which is updated more often, 敬語ボタン｜AI変換・返信キーボード or Due Date Pro?

敬語ボタン｜AI変換・返信キーボード ships an update every 3 days, and Due Date Pro fortnightly. Most recently, 敬語ボタン｜AI変換・返信キーボード was updated on October 10, 2026 and Due Date Pro on October 7, 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.*