# Muscle & Flow vs Studio78 Boston

The clearest difference is device support: Muscle & Flow at 3 against Studio78 Boston's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Muscle & Flow ships an update monthly, Studio78 Boston every 3 weeks. The most recent releases landed on October 27, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Muscle & Flow | Studio78 Boston |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (124 ratings)](https://appshunter.io/ios/app/studio78-boston/id6742673942/reviews)** |
| Number of ratings | — | **124** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 91 MB | 38 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Muscle & Flow](https://appshunter.io/developer/1694764222) | [Studio78 by Hailey Hoffman LLC](https://appshunter.io/developer/1799341968) |

## What reviewers say

### Muscle & Flow

[App page](https://appshunter.io/ios/app/muscle-and-flow/id1637484112)

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

**In-app purchases:** none


### Studio78 Boston

[App page](https://appshunter.io/ios/app/studio78-boston/id6742673942)

Browse class schedules, purchase class packs and memberships, and manage your fitness reservations. Stay organized and committed to your goals with easy booking and tracking.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Muscle & Flow free?

Muscle & Flow is free to download, with no in-app purchases.

### Is Studio78 Boston free?

Studio78 Boston is free to download, with no in-app purchases.

### Do Muscle & Flow or Studio78 Boston have ads?

Neither Muscle & Flow nor Studio78 Boston shows ads.

### Which is updated more often, Muscle & Flow or Studio78 Boston?

Muscle & Flow ships an update monthly, and Studio78 Boston every 3 weeks. Most recently, Muscle & Flow was updated on October 27, 2026 and Studio78 Boston on November 8, 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.*