# Hundred Day Challenge vs 100日目標チャレンジ

The clearest difference is update cadence: 100日目標チャレンジ at every 2 months against Hundred Day Challenge's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hundred Day Challenge sells 1 one-off in-app purchase 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.

Hundred Day Challenge ships an update every 9 months, 100日目標チャレンジ every 2 months. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Hundred Day Challenge | 100日目標チャレンジ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/hundred-day-challenge/id6749242232/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 44 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Urs Jaeggi](https://appshunter.io/developer/1709239048) | [Reo Takabatake](https://appshunter.io/developer/1888701948) |

## What reviewers say

### Hundred Day Challenge

[App page](https://appshunter.io/ios/app/hundred-day-challenge/id6749242232)

This app helps you build lasting habits and achieve goals through consistent, small daily actions over 100 days. Track multiple challenges simultaneously, visualize your progress, and stay motivated with visual cues and milestone rewards.

**Highlights:** Multiple challenges at once, Daily completion tracking, Progress visualization, Motivating main screen, Icon selection per challenge, Progress rewards

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |


### 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 Hundred Day Challenge free?

Hundred Day Challenge 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 Hundred Day Challenge or 100日目標チャレンジ have ads?

Neither Hundred Day Challenge nor 100日目標チャレンジ shows ads.

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

Hundred Day Challenge ships an update every 9 months, and 100日目標チャレンジ every 2 months. Most recently, Hundred Day Challenge was updated on October 25, 2026 and 100日目標チャレンジ on October 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.*