# Lucid vs KnowThyself by 3hBrain

The clearest difference is price: Lucid at Free against KnowThyself by 3hBrain's $2.99. KnowThyself by 3hBrain's advantage is in-app purchases (none vs 9). On ads, device support and iOS requirement there is nothing between them.

Lucid is free to download; KnowThyself by 3hBrain costs $2.99 up front. Lucid sells 8 in-app purchases, starting at $9.99 per year. KnowThyself by 3hBrain asks for nothing beyond the download.

## The numbers

| Metric | Lucid | KnowThyself by 3hBrain |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (60 ratings)](https://appshunter.io/ios/app/lucid-know-yourself/id6746735774/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Freemium | — |
| Size | 63 MB | 20 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Control. Alt. Delete. LLC](https://appshunter.io/developer/1762687184) | [3HBRAIN, LLC](https://appshunter.io/developer/1826863633) |

## What reviewers say

### Lucid

[App page](https://appshunter.io/ios/app/lucid-know-yourself/id6746735774)

This app helps emotionally self-aware individuals untangle their minds and heal patterns. It offers personalized journeys based on CBT and daily guided reflections to foster self-awareness and emotional regulation. It's designed for those feeling overwhelmed or anxious but seeking insight and change.

**Highlights:** Personalized emotional journeys, Interactive mini-courses, Cognitive Behavioral Therapy (CBT) methods, Daily guided reflections, AI-powered emotional chat companion (coming soon), Evidence-based practices

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per year |
| Premium | $11.99 | per year |
| Yearly Plan | $12.99 | per 3 months |
| Premium | $25.99 | per 3 months |
| Premium | $29.99 | per year |
| Premium | $39.99 | per year |
| Premium | $59.99 | per year |
| Premium | $199.99 | one-time |


### KnowThyself by 3hBrain

[App page](https://appshunter.io/ios/app/knowthyself-by-3hbrain/id6748660878)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lucid free?

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

### Is KnowThyself by 3hBrain free?

KnowThyself by 3hBrain costs $2.99, with no in-app purchases.

### Do Lucid or KnowThyself by 3hBrain have ads?

Neither Lucid nor KnowThyself by 3hBrain shows ads.

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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.*