# PostPlan vs 100日目標チャレンジ

The clearest difference is ads: 100日目標チャレンジ at none against PostPlan's shown. PostPlan's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. PostPlan sells 1 in-app purchase, starting at $0.99 per month and 100日目標チャレンジ sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

PostPlan ships an update weekly, 100日目標チャレンジ every 2 months. The most recent releases landed on September 6, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | PostPlan | 100日目標チャレンジ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Size | 9 MB | 44 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Shintaro Morikawa](https://appshunter.io/developer/565015106) | [Reo Takabatake](https://appshunter.io/developer/1888701948) |

## 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 |


### 100日目標チャレンジ

[App page](https://appshunter.io/ios/app/100/id6761291437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額 | $3.99 | per month |


## Frequently asked questions

### Is PostPlan free?

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

### Is 100日目標チャレンジ free?

100日目標チャレンジ is free to download, with in-app purchases available.

### Do PostPlan or 100日目標チャレンジ have ads?

PostPlan shows ads; 100日目標チャレンジ does not.

### Which is updated more often, PostPlan or 100日目標チャレンジ?

PostPlan ships an update weekly, and 100日目標チャレンジ every 2 months. Most recently, PostPlan was updated on September 6, 2026 and 100日目標チャレンジ on August 20, 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.*