# 75 Day Challenge vs Chill Flows

The clearest difference is in-app purchases: Chill Flows at none against 75 Day Challenge's 9. Chill Flows also leads on update cadence (every 2 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 75 Day Challenge sells 7 in-app purchases, starting at $1.99 per 7 days. Chill Flows asks for nothing beyond the download.

75 Day Challenge ships an update every 6 weeks, Chill Flows every 2 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 75 Day Challenge | Chill Flows |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chill-flows/id6778620721/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 132 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nadezhda Tereshkova](https://appshunter.io/developer/1588884701) | [Chill Flows LLC](https://appshunter.io/developer/6778620724) |

## What reviewers say

### 75 Day Challenge

[App page](https://appshunter.io/ios/app/75-day-challenge/id1590868775)

This app guides users through a 75-day mental toughness challenge. It helps build consistency by tracking daily tasks and offers customization for diet and workout preferences. Users can also document their progress with photo galleries.

**Highlights:** 75-day mental toughness challenge, Track 6 daily non-negotiable tasks, Customizable diet and workout plans, Built-in habit tracking, Add custom habits, Full 75-day calendar view, Progress photo gallery

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 75 Day Challenge Premium | $1.99 | per 7 days |
| 75 Day Challenge Premium | $4.99 | per month |
| 75 Day Challenge | $4.99 | per month |
| 75 Day Challenge Premium | $9.99 | per year |
| 75 Day Challenge Premium | $19.99 | per 3 months |
| 75 Day Challenge Premium | $29.99 | per year |
| 75 Day Challenge Premium | $9.99 | one-time |


### Chill Flows

[App page](https://appshunter.io/ios/app/chill-flows/id6778620721)

This app offers a personalized Ayurvedic wellness experience with guided meditations, yoga flows, and meal plans tailored to your unique dosha. It provides tools for journaling, creating vision boards, and connecting with a wellness community, all within a calm, ad-free interface.

**Highlights:** Personalized Dosha Quiz, Mind, Body, Soul Feeds, Guided Meditations & Mantras, Dosha-tuned Yoga Flows, Ayurvedic Meal Plans & Recipes, Daily Rhythm Scheduling, Vision Board & Journaling

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

**In-app purchases:** none


## Frequently asked questions

### Is 75 Day Challenge free?

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

### Is Chill Flows free?

Chill Flows is free to download, with no in-app purchases.

### Do 75 Day Challenge or Chill Flows have ads?

Neither 75 Day Challenge nor Chill Flows shows ads.

### Which is updated more often, 75 Day Challenge or Chill Flows?

75 Day Challenge ships an update every 6 weeks, and Chill Flows every 2 days. Most recently, 75 Day Challenge was updated on October 1, 2026 and Chill Flows on October 7, 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.*