# Katalyst vs Just Mind

The clearest difference is rating: Just Mind at 5.0 against Katalyst's 4.6. Just Mind also leads on monetization model (free vs free with in-app purchases) and review sentiment (100% vs 81%). Katalyst's advantage is ratings volume (58 vs 2) and device support (3 vs 1). On price, update cadence, 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.

Just Mind holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Katalyst has 58 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 81% of Katalyst's written reviews are positive against 100% of Just Mind's.

Katalyst ships an update every 3 weeks, Just Mind monthly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Katalyst | Just Mind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (58 ratings)](https://appshunter.io/ios/app/katalyst/id1558163458/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/just-mind/id6780323598/reviews)** |
| Number of ratings | **58** | 2 |
| Positive reviews | 80.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 126 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Katalyst Interactive Inc.](https://appshunter.io/developer/1558163460) | [Just Mind PLLC](https://appshunter.io/developer/6780319526) |

## What reviewers say

### Katalyst

[App page](https://appshunter.io/ios/app/katalyst/id1558163458)

This app enhances a revolutionary workout system using Electro Muscle Stimulation (EMS) to engage all muscles simultaneously. It offers a full-body workout in just 20 minutes, with zero joint load. Access diverse workout programs and control intensity for personalized training.

**Highlights:** Electro Muscle Stimulation (EMS) training, Full-body engagement, 20-minute workouts, Zero joint load, Diverse workout library (strength, power, cardio, recovery), Adjustable impulse intensity, Offline workout access

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Just Mind

[App page](https://appshunter.io/ios/app/just-mind/id6780323598)

This app provides a private space to track your mental wellbeing between therapy sessions. It offers journaling prompts, daily check-ins, and access to mental health articles. Securely connect to your therapist's portal for messages and billing.

**Highlights:** Private journaling with daily prompts, Daily wellbeing check-ins, Track wellbeing trends over time, Access mental health articles, Secure therapist portal access, Crisis support resources

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

**In-app purchases:** none


## Frequently asked questions

### Is Katalyst free?

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

### Is Just Mind free?

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

### Which has better reviews, Katalyst or Just Mind?

Just Mind is rated higher. Katalyst averages 4.6 out of 5 from 58 ratings, while Just Mind averages 5.0 from 2 ratings.

### Do Katalyst or Just Mind have ads?

Neither Katalyst nor Just Mind shows ads.

### Which is updated more often, Katalyst or Just Mind?

Katalyst ships an update every 3 weeks, and Just Mind monthly. Most recently, Katalyst was updated on October 14, 2026 and Just Mind on October 4, 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.*