# チャットTODO vs PostPlan

The clearest difference is update cadence: チャットTODO at every 3 days against PostPlan's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. チャットTODO sells 2 one-off in-app purchases and PostPlan sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

チャットTODO ships an update every 3 days, PostPlan weekly. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | チャットTODO | PostPlan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 17 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyosuke Noguchi](https://appshunter.io/developer/1767325191) | [Shintaro Morikawa](https://appshunter.io/developer/565015106) |

## What reviewers say

### チャットTODO

[App page](https://appshunter.io/ios/app/todo-todo/id6739418797)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発者への寄付 | $0.49 | one-time |
| 広告の解放 | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is チャットTODO free?

チャットTODO is free to download, with in-app purchases available.

### Is PostPlan free?

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

### Do チャットTODO or PostPlan have ads?

Both チャットTODO and PostPlan show ads.

### Which is updated more often, チャットTODO or PostPlan?

チャットTODO ships an update every 3 days, and PostPlan weekly. Most recently, チャットTODO was updated on November 12, 2026 and PostPlan on November 8, 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.*