# 開業支援G21 vs ビジネスメール定型文GPT

The clearest difference is in-app purchases: 開業支援G21 at none against ビジネスメール定型文GPT's 2. 開業支援G21 also leads on device support. On price and iOS requirement there is nothing between them.

Both are free to download. ビジネスメール定型文GPT sells 2 one-off in-app purchases. 開業支援G21 asks for nothing beyond the download.

## The numbers

| Metric | 開業支援G21 | ビジネスメール定型文GPT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 5 MB | 27 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ヨシダ](https://appshunter.io/developer/1417159527) | [YUKI WATANABE](https://appshunter.io/developer/1724288537) |

## What reviewers say

### 開業支援G21

[App page](https://appshunter.io/ios/app/g21/id1424788384)

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

**In-app purchases:** none


### ビジネスメール定型文GPT

[App page](https://appshunter.io/ios/app/gpt/id6479664171)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| トークン追加 | $0.49 | one-time |
| 広告非表示 | $2.99 | one-time |


## Frequently asked questions

### Is 開業支援G21 free?

開業支援G21 is free to download, with no in-app purchases.

### Is ビジネスメール定型文GPT free?

ビジネスメール定型文GPT is free to download, with in-app purchases available.

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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.*