# REV36O vs Kai Lagree

The clearest difference is update cadence: Kai Lagree at every 4 days against REV36O's every 5 months. On price, rating, ratings volume and ads 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 — 4.9 for REV36O against 5.0 for Kai Lagree. Both are backed by a comparable volume of ratings — 11 and 19 respectively.

REV36O ships an update every 5 months, Kai Lagree every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | REV36O | Kai Lagree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (11 ratings)](https://appshunter.io/ios/app/rev36o/id6745621248/reviews) | **[5.0 (19 ratings)](https://appshunter.io/ios/app/kai-lagree/id6773482080/reviews)** |
| Number of ratings | 11 | **19** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 121 MB | 38 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [The KAI Method](https://appshunter.io/developer/6773482082) |

## What reviewers say

### REV36O

[App page](https://appshunter.io/ios/app/rev36o/id6745621248)

Book and manage your indoor cycling and strength training classes. Access exclusive in-app pricing, track your wellness progress, and stay updated with class reminders and community perks.

**Highlights:** Instant class booking, Schedule management, Exclusive in-app pricing, Personalized wellness tracking, Membership management, Class reminders

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

**In-app purchases:** none


### Kai Lagree

[App page](https://appshunter.io/ios/app/kai-lagree/id6773482080)

Browse and purchase class packs or memberships. View the class schedule and filter by type to find the perfect fit. Easily book and manage your class reservations to stay organized and committed to your fitness goals.

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is REV36O free?

REV36O is free to download, with no in-app purchases.

### Is Kai Lagree free?

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

### Which has better reviews, REV36O or Kai Lagree?

Kai Lagree is rated higher. REV36O averages 4.9 out of 5 from 11 ratings, while Kai Lagree averages 5.0 from 19 ratings.

### Do REV36O or Kai Lagree have ads?

Neither REV36O nor Kai Lagree shows ads.

### Which is updated more often, REV36O or Kai Lagree?

REV36O ships an update every 5 months, and Kai Lagree every 4 days. Most recently, REV36O was updated on October 24, 2026 and Kai Lagree on October 24, 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.*