# FS8 vs Core Serenity

The clearest difference is update cadence: FS8 at every 3 weeks against Core Serenity's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FS8 ships an update every 3 weeks, Core Serenity every 7 months. The most recent releases landed on October 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | FS8 | Core Serenity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (23 ratings)](https://appshunter.io/ios/app/fs8/id6477149540/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 87 MB | 121 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [FS8](https://appshunter.io/developer/1552735060) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### FS8

[App page](https://appshunter.io/ios/app/fs8/id6477149540)

Book fitness classes, join programs, and track your progress. Discover healthy recipes and educational content to enhance your physical and mental well-being. Achieve your fitness goals with this comprehensive wellness companion.

**Highlights:** Book and schedule fitness classes, Join 30-day fitness programs, Track progress and set goals, Discover healthy recipes, Access educational wellness articles, Book in-studio body scans

**Features:** macOS Compatibility

**In-app purchases:** none


### Core Serenity

[App page](https://appshunter.io/ios/app/core-serenity/id6744618189)

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

**In-app purchases:** none


## Frequently asked questions

### Is FS8 free?

FS8 is free to download, with no in-app purchases.

### Is Core Serenity free?

Core Serenity is free to download, with no in-app purchases.

### Do FS8 or Core Serenity have ads?

Neither FS8 nor Core Serenity shows ads.

### Which is updated more often, FS8 or Core Serenity?

FS8 ships an update every 3 weeks, and Core Serenity every 7 months. Most recently, FS8 was updated on October 16, 2026 and Core Serenity on September 14, 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.*