# Core Master vs Optimind

The clearest difference is in-app purchases: Core Master at none against Optimind's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Optimind sells 2 in-app purchases, starting at $11.99 per month. Core Master asks for nothing beyond the download.

Core Master ships an update every 7 months, Optimind every 4 months. The most recent releases landed on March 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Core Master | Optimind |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 152 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Body Engineering BSSS Ltd](https://appshunter.io/developer/1530296428) | [Optimind Ltd](https://appshunter.io/developer/1571899399) |

## What reviewers say

### Core Master

[App page](https://appshunter.io/ios/app/core-master/id1530296426)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optimind

[App page](https://appshunter.io/ios/app/optimind/id1571899397)

Access guided hypnotherapy sessions and meditation exercises to improve relaxation, sleep, and confidence. Explore breathing techniques and stress relief tools to enhance your mental well-being and achieve personal goals.

**Highlights:** Hypnotherapy sessions, Meditation exercises, Breathing exercises, Stress SOS Button, Motivational quotes, Calmness Meter

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $11.99 | per month |
| Yearly Subscription | $93.99 | per year |


## Frequently asked questions

### Is Core Master free?

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

### Is Optimind free?

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

### Do Core Master or Optimind have ads?

Neither Core Master nor Optimind shows ads.

### Which is updated more often, Core Master or Optimind?

Core Master ships an update every 7 months, and Optimind every 4 months. Most recently, Core Master was updated on March 22, 2026 and Optimind on September 19, 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.*