# CHIZL vs THREE15 STUDIO

The clearest difference is monetization model: CHIZL at free against THREE15 STUDIO's ad-supported. CHIZL also leads on device support (4 vs 1). THREE15 STUDIO's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (65 vs 8). On price, rating, ads 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 CHIZL against 5.0 for THREE15 STUDIO. That said, the two scores are not equally well evidenced: THREE15 STUDIO has 65 ratings behind it against 8, so its average is the more settled of the two.

CHIZL ships an update every 2 months, THREE15 STUDIO every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CHIZL | THREE15 STUDIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/chizl/id6467258013/reviews) | [5.0 (65 ratings)](https://appshunter.io/ios/app/three15-studio/id6477896937/reviews) |
| Number of ratings | 8 | **65** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 188 MB | 38 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cobia Corporation LLC](https://appshunter.io/developer/1511812634) | [THREE 15, LLC](https://appshunter.io/developer/1489994363) |

## What reviewers say

### CHIZL

[App page](https://appshunter.io/ios/app/chizl/id6467258013)

This app offers a comprehensive fitness solution by combining personalized workout plans, custom meal plans, and supplement recommendations. Track your progress, engage with coaches and communities, and connect with wearable devices for a holistic approach to health.

**Highlights:** Weekly training plans, Workout tracking, Exercise video demos, Meal tracking, Habit tracking, Goal setting and progress tracking, Real-time coach messaging, Digital communities

**Features:** Apple Wallet

**In-app purchases:** none


### THREE15 STUDIO

[App page](https://appshunter.io/ios/app/three15-studio/id6477896937)

This app offers a variety of fitness classes combining cycling, barre, and strength training. Explore different class lengths and formats designed for all fitness levels, from beginner to advanced.

**Highlights:** Rhythm-based cycling, Barre workouts, Strength training, Full body stretching, Beginner-friendly classes, Extended and condensed class options

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

**In-app purchases:** none


## Frequently asked questions

### Is CHIZL free?

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

### Is THREE15 STUDIO free?

THREE15 STUDIO is free to download, with no in-app purchases.

### Which has better reviews, CHIZL or THREE15 STUDIO?

CHIZL and THREE15 STUDIO are both rated 5.0 out of 5 on the App Store, from 8 and 65 ratings respectively.

### Do CHIZL or THREE15 STUDIO have ads?

Neither CHIZL nor THREE15 STUDIO shows ads.

### Which is updated more often, CHIZL or THREE15 STUDIO?

CHIZL ships an update every 2 months, and THREE15 STUDIO every 3 weeks. Most recently, CHIZL was updated on October 14, 2026 and THREE15 STUDIO on October 10, 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.*