# A vs 100日目標チャレンジ

The clearest difference is in-app purchases: A at none against 100日目標チャレンジ's 1. A also leads on update cadence (every 5 days vs every 2 months). 100日目標チャレンジ's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 100日目標チャレンジ sells 1 in-app purchase, starting at $3.99 per month. A asks for nothing beyond the download.

A ships an update every 5 days, 100日目標チャレンジ every 2 months. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | A | 100日目標チャレンジ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 44 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Asoft.iOS](https://appshunter.io/developer/562152712) | [Reo Takabatake](https://appshunter.io/developer/1888701948) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-note/id6449475653)

Organize notes by groups and categories with features like color-coding, photo and location attachments, and data export. Easily manage shopping lists, ideas, hobbies, and daily records. This app allows for secure backup and migration of your data.

**Highlights:** Group and category note management, Color-coding and icon settings, Attach photos and location data, Sort and search functionality, Data export and backup (.zip), File sharing and import

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

**In-app purchases:** none


### 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 A free?

A is free to download, with no in-app purchases.

### 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 A or 100日目標チャレンジ have ads?

A shows ads; 100日目標チャレンジ does not.

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

A ships an update every 5 days, and 100日目標チャレンジ every 2 months. Most recently, A was updated on September 30, 2026 and 100日目標チャレンジ on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*