# HelloHabit vs Hundred Day Challenge

The clearest difference is update cadence: HelloHabit at every 8 days against Hundred Day Challenge's every 9 months. HelloHabit also leads on ratings volume (3.3K vs 3) and rating (4.9 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. HelloHabit sells 9 in-app purchases, starting at $4.99 per 7 days and Hundred Day Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HelloHabit holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: HelloHabit has 3.3K ratings behind it against 3, so its average is the more settled of the two.

HelloHabit ships an update every 8 days, Hundred Day Challenge every 9 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | HelloHabit | Hundred Day Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.3K ratings)](https://appshunter.io/ios/app/hellohabit-habit-tracker/id6476824223/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/hundred-day-challenge/id6749242232/reviews) |
| Number of ratings | **3.3K** | 3 |
| Positive reviews | 80.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 9 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 122 MB | 2 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RightLife, Inc.](https://appshunter.io/developer/1727892124) | [Urs Jaeggi](https://appshunter.io/developer/1709239048) |

## What reviewers say

### HelloHabit

[App page](https://appshunter.io/ios/app/hellohabit-habit-tracker/id6476824223)

This app helps you build positive habits and achieve your goals through personalized tracking and journaling. Set custom habits, receive reminders, and monitor your progress with detailed statistics. It also offers a rich text journal to reflect on your journey and a calendar view for scheduling.

**Highlights:** Custom habit creation, Habit suggestions, Goal setting (daily, weekly, monthly, yearly), Multiple reminders, Activity logging, Streaks and statistics, Rich text journaling, Calendar view

**Features:** Apple Watch app

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HelloHabit Premium | $4.99 | per 7 days |
| HelloHabit Premium | $4.99 | per month |
| HelloHabit Premium | $9.99 | per month |
| HelloHabit Premium | $14.99 | per year |
| HelloHabit Premium | $14.99 | per year |
| HelloHabit Premium | $29.99 | per year |
| HelloHabit Premium | $29.99 | per year |
| HelloHabit Premium | $49.99 | per year |
| HelloHabit Plus | $59.99 | one-time |

**What reviewers like**

- 👍 Excellent layout
- 👍 Useful features
- 👍 Automatic habit tracking
- 👍 Customizable UI
- 👍 Simple and intuitive

**What reviewers complain about**

- 🐛 Bugs with note-taking functionality
- 🔒 Concerns about data privacy
- 💰 Subscription model/paywall
- 🔄 Frequent UI changes frustrating
- 🔢 Limited free features

**Reported bugs**

- Steps and calories not syncing
- Login screen freezing
- Incompatibility with older devices

**Requested features**

- Apple Watch app integration
- Calendar and reminders integration
- Ability to track habits with decimals
- Archiving completed habits
- More color customization options


### 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 |


## Frequently asked questions

### Is HelloHabit free?

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

### Is Hundred Day Challenge free?

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

### Which has better reviews, HelloHabit or Hundred Day Challenge?

HelloHabit is rated higher. HelloHabit averages 4.9 out of 5 from 3.3K ratings, while Hundred Day Challenge averages 4.7 from 3 ratings.

### Do HelloHabit or Hundred Day Challenge have ads?

Neither HelloHabit nor Hundred Day Challenge shows ads.

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

HelloHabit ships an update every 8 days, and Hundred Day Challenge every 9 months. Most recently, HelloHabit was updated on November 8, 2026 and Hundred Day Challenge on November 5, 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.*