# 75 Day Challenge vs Good Dopamine | Screen Time

The clearest difference is monetization model: 75 Day Challenge at freemium against Good Dopamine | Screen Time's subscription. 75 Day Challenge also leads on ratings volume (57 vs 3) and iOS requirement (15.1 vs 18.0). Good Dopamine | Screen Time's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 75 Day Challenge sells 10 in-app purchases, starting at $1.99 per 7 days and Good Dopamine | Screen Time sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Good Dopamine | Screen Time holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 75 Day Challenge has 57 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 75 Day Challenge | Good Dopamine | Screen Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (57 ratings)](https://appshunter.io/ios/app/75-day-challenge-soft-tracker/id6744525032/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/good-dopamine-screen-time/id6761740453/reviews)** |
| Number of ratings | **57** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | **Freemium** | Subscription |
| Size | 32 MB | 16 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Kevin Basco](https://appshunter.io/developer/1803746571) | [Krishna Ramachandran](https://appshunter.io/developer/996706743) |

## What reviewers say

### 75 Day Challenge

[App page](https://appshunter.io/ios/app/75-day-challenge-soft-tracker/id6744525032)

This app helps you build healthier habits over 75 days with a flexible approach to fitness and well-being. It tracks daily progress on workouts, diet, water intake, and reading, offering a kinder alternative to stricter challenges.

**Highlights:** Daily task tracking, Progress calendar view, Customizable reminders, Offline functionality, Privacy-focused data storage, Gentle habit building

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Weekly with trial | $1.99 | per 7 days |
| Monthly | $2.99 | per month |
| Weekly Pro with trial | $4.99 | per 7 days |
| Weekly Pro | $4.99 | per 7 days |
| Monthly Pro | $5.99 | per month |
| Weekly Plus | $9.99 | per 7 days |
| Yearly | $14.99 | per year |
| Yearly Pro | $24.99 | per year |
| Lifetime | $29.99 | one-time |


### Good Dopamine | Screen Time

[App page](https://appshunter.io/ios/app/good-dopamine-screen-time/id6761740453)

This app helps you break free from addictive digital habits and retrain your brain's reward system. It offers tools to block distracting apps and encourages engaging in restorative activities, all backed by neuroscience.

**Highlights:** Dopamine Baseline Score tracking, Smart app and website blocking, 33 built-in restorative activities, Daily check-ins and weekly insights, Science-backed educational content, Integration with Apple Screen Time

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Good Dopamine Monthly | $8.99 | per month |
| Good Dopamine Yearly | $53.99 | per year |


## Frequently asked questions

### Is 75 Day Challenge free?

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

### Is Good Dopamine | Screen Time free?

Good Dopamine | Screen Time is free to download, with in-app purchases available.

### Which has better reviews, 75 Day Challenge or Good Dopamine | Screen Time?

Good Dopamine | Screen Time is rated higher. 75 Day Challenge averages 4.8 out of 5 from 57 ratings, while Good Dopamine | Screen Time averages 5.0 from 3 ratings.

### Do 75 Day Challenge or Good Dopamine | Screen Time have ads?

Neither 75 Day Challenge nor Good Dopamine | Screen Time shows ads.

### Which is updated more often, 75 Day Challenge or Good Dopamine | Screen Time?

75 Day Challenge ships an update every 4 days, and Good Dopamine | Screen Time every 4 days. Most recently, 75 Day Challenge was updated on November 5, 2026 and Good Dopamine | Screen Time on October 31, 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.*