# Hundred Day Challenge vs Six Done

The clearest difference is in-app purchases: Six Done at none against Hundred Day Challenge's 1. Six Done also leads on update cadence (every 5 days vs every 9 months) and iOS requirement (15.1 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Hundred Day Challenge sells 1 one-off in-app purchase. Six Done asks for nothing beyond the download.

Hundred Day Challenge ships an update every 9 months, Six Done every 5 days. The most recent releases landed on October 28, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Hundred Day Challenge | Six Done |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 16 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Urs Jaeggi](https://appshunter.io/developer/1709239048) | [Koichi Ezato](https://appshunter.io/developer/1848818278) |

## 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 |


### Six Done

[App page](https://appshunter.io/ios/app/six-done/id6754552145)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hundred Day Challenge free?

Hundred Day Challenge is free to download, with in-app purchases available.

### Is Six Done free?

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

### Do Hundred Day Challenge or Six Done have ads?

Neither Hundred Day Challenge nor Six Done shows ads.

### Which is updated more often, Hundred Day Challenge or Six Done?

Hundred Day Challenge ships an update every 9 months, and Six Done every 5 days. Most recently, Hundred Day Challenge was updated on October 28, 2026 and Six Done on October 15, 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.*