# Callie's Pilates vs Energi Studios

The clearest difference is ads: Energi Studios at none against Callie's Pilates's shown. Energi Studios also leads on monetization model (free vs ad-supported). Callie's Pilates's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

Energi Studios holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 12 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Callie's Pilates | Energi Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/callies-pilates/id1495851699/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/energi-studios/id6782238873/reviews)** |
| Number of ratings | 6 | **12** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 129 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Callie's Pilates LLC](https://appshunter.io/developer/1495851698) | [Energi LLC](https://appshunter.io/developer/6782238875) |

## What reviewers say

### Callie's Pilates

[App page](https://appshunter.io/ios/app/callies-pilates/id1495851699)

Easily plan and schedule your fitness classes directly from your mobile device. Sign up, cancel, and purchase class packages with exclusive discounts. Access studio location and contact details, plus connect with social media pages.

**Highlights:** Schedule and book classes, Cancel class reservations, Purchase class packages, View studio location, Access contact information, Connect to social pages

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Energi Studios

[App page](https://appshunter.io/ios/app/energi-studios/id6782238873)

Easily browse and purchase class packs or membership options. View the schedule, filter classes by type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage class reservations, Stay organized with fitness goals

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Callie's Pilates free?

Callie's Pilates is free to download, with no in-app purchases.

### Is Energi Studios free?

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

### Which has better reviews, Callie's Pilates or Energi Studios?

Energi Studios is rated higher. Callie's Pilates averages 4.8 out of 5 from 6 ratings, while Energi Studios averages 5.0 from 12 ratings.

### Do Callie's Pilates or Energi Studios have ads?

Callie's Pilates shows ads; Energi Studios does not.

### Which is updated more often, Callie's Pilates or Energi Studios?

Callie's Pilates ships an update every 3 weeks, and Energi Studios every 3 weeks. Most recently, Callie's Pilates was updated on September 7, 2026 and Energi Studios on September 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.*