# KALA PILATES vs Sōl Studio

The clearest difference is update cadence: KALA PILATES at weekly against Sōl Studio's monthly. 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.

KALA PILATES ships an update weekly, Sōl Studio monthly. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | KALA PILATES | Sōl Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 38 MB | 124 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [KALA APP LLC](https://appshunter.io/developer/1740821103) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### KALA PILATES

[App page](https://appshunter.io/ios/app/kala-pilates/id6786459685)

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

**In-app purchases:** none


### Sōl Studio

[App page](https://appshunter.io/ios/app/sol-studio/id6790493203)

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

**In-app purchases:** none


## Frequently asked questions

### Is KALA PILATES free?

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

### Is Sōl Studio free?

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

### Do KALA PILATES or Sōl Studio have ads?

Neither KALA PILATES nor Sōl Studio shows ads.

### Which is updated more often, KALA PILATES or Sōl Studio?

KALA PILATES ships an update weekly, and Sōl Studio monthly. Most recently, KALA PILATES was updated on September 18, 2026 and Sōl Studio on September 21, 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.*