# Project Joy 40 vs Project 75

The clearest difference is in-app purchases: Project Joy 40 at none against Project 75's 2. Project Joy 40 also leads on iOS requirement (13.0 vs 17.3). On price there is nothing between them.

Both are free to download. Project 75 sells 2 in-app purchases, starting at $12.99 per month. Project Joy 40 asks for nothing beyond the download.

## The numbers

| Metric | Project Joy 40 | Project 75 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/project-75-75-days-challenge/id6757433925/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Freemium |
| Size | 22 MB | 17 MB |
| Requires iOS | **13.0** | 17.3 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 17+ |
| Developer | [Zappter AG](https://appshunter.io/developer/1560121776) | [Zaphon AI, LLC](https://appshunter.io/developer/1856772843) |

## What reviewers say

### Project Joy 40

[App page](https://appshunter.io/ios/app/project-joy-40/id6755104532)

**In-app purchases:** none


### Project 75

[App page](https://appshunter.io/ios/app/project-75-75-days-challenge/id6757433925)

This app provides a structured 75-day challenge to build consistency and discipline. It generates a personalized plan based on your goals, offers a daily checklist, and includes an AI coach for motivation when needed. Focuses on building reliable systems over fleeting motivation.

**Highlights:** Personalized 75-day plan generation, Daily non-negotiable checklist, AI motivational coach, Streak building and progress tracking, Clear rules and structure for accountability

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Project 75 Pro (Monthly) | $12.99 | per month |
| Project 75 Pro (Annual) | $49.99 | per year |


## Frequently asked questions

### Is Project Joy 40 free?

Project Joy 40 is free to download, with no in-app purchases.

### Is Project 75 free?

Project 75 is free to download, with in-app purchases available.

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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.*