# Reform Studio Cda vs Core4Collective

The clearest difference is ads: Core4Collective at none against Reform Studio Cda's shown. Reform Studio Cda's advantage is iOS requirement (14.0 vs 16.4). On price, update cadence, 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.

Reform Studio Cda ships an update every 3 months, Core4Collective every 4 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Reform Studio Cda | Core4Collective |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/core4collective/id1636412746/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | — | Free |
| Size | 151 MB | 121 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Reform Studio Cda LLC](https://appshunter.io/developer/1613590413) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Reform Studio Cda

[App page](https://appshunter.io/ios/app/reform-studio-cda/id1262515429)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Core4Collective

[App page](https://appshunter.io/ios/app/core4collective/id1636412746)

This fitness app offers a multi-practice studio experience with classes designed to strengthen and balance your body and mind. Access on-demand workouts, book in-studio sessions, track your progress, and connect with a community.

**Highlights:** On-demand workouts, In-studio class booking, Workout review, Community connection, Account management

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

**In-app purchases:** none


## Frequently asked questions

### Is Reform Studio Cda free?

Reform Studio Cda is free to download, with no in-app purchases.

### Is Core4Collective free?

Core4Collective is free to download, with no in-app purchases.

### Do Reform Studio Cda or Core4Collective have ads?

Reform Studio Cda shows ads; Core4Collective does not.

### Which is updated more often, Reform Studio Cda or Core4Collective?

Reform Studio Cda ships an update every 3 months, and Core4Collective every 4 months. Most recently, Reform Studio Cda was updated on October 14, 2026 and Core4Collective on October 20, 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.*