# Charlotte Studios vs Pilates Class Builder

The clearest difference is in-app purchases: Charlotte Studios at none against Pilates Class Builder's 2. Charlotte Studios also leads on iOS requirement (15.0 vs 18.0). Pilates Class Builder's advantage is update cadence (every 3 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Pilates Class Builder sells 2 in-app purchases, starting at $3.99 per month. Charlotte Studios asks for nothing beyond the download.

Charlotte Studios ships an update every 3 months, Pilates Class Builder every 3 days. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Charlotte Studios | Pilates Class Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pilates-class-builder/id6774935535/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 214 MB | 31 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [CHARLOTTE STUDIOS](https://appshunter.io/developer/1882035576) | [Antoine Conan](https://appshunter.io/developer/1870239015) |

## What reviewers say

### Charlotte Studios

[App page](https://appshunter.io/ios/app/charlotte-studios/id6759972568)

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

**In-app purchases:** none


### Pilates Class Builder

[App page](https://appshunter.io/ios/app/pilates-class-builder/id6774935535)

Easily plan and time Pilates classes with a drag-and-drop interface. Features a library of exercises, customizable blocks, and a player with visual countdowns and pacing guides. Organize classes into folders and create templates for different needs.

**Highlights:** Drag-and-drop exercise library, Customizable block timing (reps, seconds, breaths), Player with visual countdown, Left/Right indicator, PDF export for classes, Class organization with folders, Exercise illustration styles

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pilates Pro Monthly | $3.99 | per month |
| Pilates Pro Yearly | $22.99 | per year |


## Frequently asked questions

### Is Charlotte Studios free?

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

### Is Pilates Class Builder free?

Pilates Class Builder is free to download, with in-app purchases available.

### Do Charlotte Studios or Pilates Class Builder have ads?

Neither Charlotte Studios nor Pilates Class Builder shows ads.

### Which is updated more often, Charlotte Studios or Pilates Class Builder?

Charlotte Studios ships an update every 3 months, and Pilates Class Builder every 3 days. Most recently, Charlotte Studios was updated on October 7, 2026 and Pilates Class Builder on October 13, 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.*