# KAI Studio vs Sweat 408

The clearest difference is ads: KAI Studio at none against Sweat 408's shown. KAI Studio also leads on monetization model (ad-supported vs free with in-app purchases) and ratings volume (29 vs 4). On price, rating, update cadence 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.

On the App Store both sit at effectively the same score — 5.0 for KAI Studio against 5.0 for Sweat 408. That said, the two scores are not equally well evidenced: KAI Studio has 29 ratings behind it against 4, so its average is the more settled of the two.

KAI Studio ships an update every 3 weeks, Sweat 408 fortnightly. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KAI Studio | Sweat 408 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (29 ratings)](https://appshunter.io/ios/app/kai-studio/id6747728663/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/sweat-408/id6763643096/reviews) |
| Number of ratings | **29** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 38 MB | 37 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kai Studio Concepts LLC](https://appshunter.io/developer/1822641636) | [Sweat Wellness Group LLC](https://appshunter.io/developer/1895414198) |

## What reviewers say

### KAI Studio

[App page](https://appshunter.io/ios/app/kai-studio/id6747728663)

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 schedules, Filter classes by type, Manage class reservations, Stay organized with fitness goals

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

**In-app purchases:** none


### Sweat 408

[App page](https://appshunter.io/ios/app/sweat-408/id6763643096)

Browse and book fitness classes, manage your schedule, and purchase class packs or memberships. Filter classes by type to find the perfect workout for your routine and stay committed to your fitness goals.

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is KAI Studio free?

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

### Is Sweat 408 free?

Sweat 408 is free to download, with no in-app purchases.

### Which has better reviews, KAI Studio or Sweat 408?

KAI Studio and Sweat 408 are both rated 5.0 out of 5 on the App Store, from 29 and 4 ratings respectively.

### Do KAI Studio or Sweat 408 have ads?

Sweat 408 shows ads; KAI Studio does not.

### Which is updated more often, KAI Studio or Sweat 408?

KAI Studio ships an update every 3 weeks, and Sweat 408 fortnightly. Most recently, KAI Studio was updated on October 10, 2026 and Sweat 408 on October 2, 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.*