# Core Body vs Ester

The clearest difference is in-app purchases: Core Body at none against Ester's 2. Core Body also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). Ester's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Ester sells 2 in-app purchases, starting at $4.99 per month. Core Body asks for nothing beyond the download.

## The numbers

| Metric | Core Body | Ester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/core-body/id6753349603/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | — |
| Size | 151 MB | 3 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Core Body LLC](https://appshunter.io/developer/1843641139) | [Castaneda Networks LLC](https://appshunter.io/developer/1887905253) |

## What reviewers say

### Core Body

[App page](https://appshunter.io/ios/app/core-body/id6753349603)

Plan and schedule fitness classes directly from your mobile device. View class schedules, sign up for sessions, and find the studio's location. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

**Highlights:** Class scheduling, Sign up for classes, View class schedules, Studio location access, Mobile convenience

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Ester

[App page](https://appshunter.io/ios/app/ester-dose-and-lab-tracker/id6778684239)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ester Pro | $4.99 | per month |
| Ester Pro | $29.99 | per year |


## Frequently asked questions

### Is Core Body free?

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

### Is Ester free?

Ester is free to download, with in-app purchases available.

### Do Core Body or Ester have ads?

Core Body shows ads; Ester does not.

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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.*