# G21 vs Starcore Studio

The clearest difference is rating: Starcore Studio at 5.0 against G21's 3.7. Starcore Studio also leads on ads (none vs shown) and monetization model (free vs ad-supported). G21's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, ratings volume, 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.

Starcore Studio holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

G21 ships an update monthly, Starcore Studio fortnightly. The most recent releases landed on September 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | G21 | Starcore Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/g21/id1211311329/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/starcore-studio/id6769908114/reviews)** |
| Number of ratings | 3 | 3 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 152 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gravity 21 Fort Lauderdale, LLC](https://appshunter.io/developer/1821273003) | [Creatopia Technologies, Inc](https://appshunter.io/developer/1896699301) |

## What reviewers say

### G21

[App page](https://appshunter.io/ios/app/g21/id1211311329)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location information. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, Access studio location information, Optimize time management, Convenient mobile access

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Starcore Studio

[App page](https://appshunter.io/ios/app/starcore-studio/id6769908114)

Easily browse and purchase class packs or membership options. View the schedule, filter by class type, and book reservations to manage your fitness routine and stay committed to your 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 G21 free?

G21 is free to download, with no in-app purchases.

### Is Starcore Studio free?

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

### Which has better reviews, G21 or Starcore Studio?

Starcore Studio is rated higher. G21 averages 3.7 out of 5 from 3 ratings, while Starcore Studio averages 5.0 from 3 ratings.

### Do G21 or Starcore Studio have ads?

G21 shows ads; Starcore Studio does not.

### Which is updated more often, G21 or Starcore Studio?

G21 ships an update monthly, and Starcore Studio fortnightly. Most recently, G21 was updated on September 30, 2026 and Starcore Studio on October 17, 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.*