# PostPlan vs AI添削・校正

The clearest difference is in-app purchases: AI添削・校正 at none against PostPlan's 1. AI添削・校正 also leads on iOS requirement (15.6 vs 17.0). PostPlan's advantage is device support. On price there is nothing between them.

Both are free to download. PostPlan sells 1 in-app purchase, starting at $0.99 per month. AI添削・校正 asks for nothing beyond the download.

## The numbers

| Metric | PostPlan | AI添削・校正 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Weekly | — |
| Size | 9 MB | 14 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Shintaro Morikawa](https://appshunter.io/developer/565015106) | [Hideshi Otsuru](https://appshunter.io/developer/446092368) |

## What reviewers say

### PostPlan

[App page](https://appshunter.io/ios/app/postplan-feed-preview/id6742560007)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | per month |


### AI添削・校正

[App page](https://appshunter.io/ios/app/ai/id6749517394)

**In-app purchases:** none


## Frequently asked questions

### Is PostPlan free?

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

### Is AI添削・校正 free?

AI添削・校正 is free to download, with no in-app purchases.

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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.*