# Mindfulness Coach Explorer vs PTSD Keys

The clearest difference is review sentiment: PTSD Keys at 100% against Mindfulness Coach Explorer's 33%. PTSD Keys also leads on update cadence (every 3 weeks vs every 42 months) and rating (5.0 vs 4.6). Mindfulness Coach Explorer's advantage is ratings volume (54 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PTSD Keys holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Mindfulness Coach Explorer has 54 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 33% of Mindfulness Coach Explorer's written reviews are positive against 100% of PTSD Keys's.

Mindfulness Coach Explorer ships an update every 42 months, PTSD Keys every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Mindfulness Coach Explorer | PTSD Keys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (54 ratings)](https://appshunter.io/ios/app/mindfulness-coach-explorer/id1438787563/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ptsd-keys/id1485058531/reviews)** |
| Number of ratings | **54** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 130 MB | 63 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Palo Alto Veterans Institute for Research](https://appshunter.io/developer/1292950620) | [Stress Is Gone, LLC](https://appshunter.io/developer/441715029) |

## What reviewers say

### Mindfulness Coach Explorer

[App page](https://appshunter.io/ios/app/mindfulness-coach-explorer/id1438787563)

This is a research version of a mindfulness application exclusively for participants in approved program evaluations. Access requires an invitation code from an approved investigator.

**Highlights:** Research version, Invitation code required, Program evaluation access, Mindfulness tools

**Features:** macOS Compatibility

**In-app purchases:** none


### PTSD Keys

[App page](https://appshunter.io/ios/app/ptsd-keys/id1485058531)

This app offers a three-tier solution for managing PTSD symptoms, providing instant relief, predictive reminders, and tools to process traumatic memories. It utilizes brainwave entrainment to promote relaxation and includes a complimentary membership for ongoing support and coaching.

**Highlights:** One-touch instant relief, Predictive stress reaction reminders, Meditation practice management, Traumatic memory processing tool, Brainwave entrainment for relaxation, Complimentary Stress Is Gone Membership

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mindfulness Coach Explorer free?

Mindfulness Coach Explorer is free to download, with no in-app purchases.

### Is PTSD Keys free?

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

### Which has better reviews, Mindfulness Coach Explorer or PTSD Keys?

PTSD Keys is rated higher. Mindfulness Coach Explorer averages 4.6 out of 5 from 54 ratings, while PTSD Keys averages 5.0 from 2 ratings.

### Do Mindfulness Coach Explorer or PTSD Keys have ads?

Neither Mindfulness Coach Explorer nor PTSD Keys shows ads.

### Which is updated more often, Mindfulness Coach Explorer or PTSD Keys?

Mindfulness Coach Explorer ships an update every 42 months, and PTSD Keys every 3 weeks. Most recently, Mindfulness Coach Explorer was updated on October 24, 2026 and PTSD Keys on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*