# Project50 vs 100Days

The clearest difference is rating: Project50 at 5.0 against 100Days's 2.3. Project50 also leads on iOS requirement (16.0 vs 18.0). 100Days's advantage is update cadence (daily vs weekly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Project50 sells 3 in-app purchases, starting at $4.99 per 3 months and 100Days sells 3 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Project50 holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

Project50 ships an update weekly, 100Days daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Project50 | 100Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/project50/id6741027953/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/100days-habit-tracker/id6744754614/reviews) |
| Number of ratings | **6** | 3 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 28 MB | 28 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ISOMEM, Inc.](https://appshunter.io/developer/1677026791) | [Night House LLC](https://appshunter.io/developer/1809212322) |

## What reviewers say

### Project50

[App page](https://appshunter.io/ios/app/project50/id6741027953)

This app guides users through a 50-day personal growth program to build lasting habits. Track daily tasks, monitor progress with insights, and share your journey for accountability. Start your transformation and reach your full potential.

**Highlights:** 50-day challenge program, Custom challenge creation, Daily task tracking, Interactive widgets, Journaling with notes and photos, Progress monitoring and insights, Progress sharing for accountability, Journal export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $4.99 | per 3 months |
| Unlimited Access | $9.99 | per year |
| Unlimited Access | $14.99 | one-time |


### 100Days

[App page](https://appshunter.io/ios/app/100days-habit-tracker/id6744754614)

Build better habits and achieve personal goals with daily check-ins, smart reminders, and visual progress tracking. This app provides the structure and motivation needed to stay consistent on your journey to transformation.

**Highlights:** Daily check-ins, Smart reminders, Visual progress tracking, Advanced analytics, Goal consistency

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100Days Pro | $14.99 | per month |
| 100Days Pro Annual | $29.99 | per year |
| 100Days Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Project50 free?

Project50 is free to download, with in-app purchases available.

### Is 100Days free?

100Days is free to download, with in-app purchases available.

### Which has better reviews, Project50 or 100Days?

Project50 is rated higher. Project50 averages 5.0 out of 5 from 6 ratings, while 100Days averages 2.3 from 3 ratings.

### Do Project50 or 100Days have ads?

Neither Project50 nor 100Days shows ads.

### Which is updated more often, Project50 or 100Days?

Project50 ships an update weekly, and 100Days daily. Most recently, Project50 was updated on October 25, 2026 and 100Days on October 24, 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.*