# OceanMind vs Protocol Zero

The clearest difference is monetization model: OceanMind at free with in-app purchases against Protocol Zero's subscription. OceanMind also leads on review sentiment (100% vs 67%). Protocol Zero's advantage is ratings volume (182 vs 14). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. OceanMind sells 2 in-app purchases, starting at $9.99 per month and Protocol Zero sells 5 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

OceanMind holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Protocol Zero has 182 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 100% of OceanMind's written reviews are positive against 67% of Protocol Zero's.

OceanMind ships an update weekly, Protocol Zero every 4 days. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OceanMind | Protocol Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/oceanmind-breathwork/id6751253976/reviews)** | [4.7 (182 ratings)](https://appshunter.io/ios/app/protocol-zero-sleep-sounds/id6755014746/reviews) |
| Number of ratings | 14 | **182** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 66 MB | 123 MB |
| Requires iOS | **17.0** | 17.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [OceanMind Wellness Inc](https://appshunter.io/developer/1834297866) | [HumanOS LLC](https://appshunter.io/developer/1851339721) |

## What reviewers say

### OceanMind

[App page](https://appshunter.io/ios/app/oceanmind-breathwork/id6751253976)

This app offers guided breathwork sessions designed to calm your nervous system and reduce anxiety. It provides personalized practices that adapt to your current emotional state and a structured daily journey, rather than an overwhelming library of options. Track your progress and experience a noticeable shift in your well-being.

**Highlights:** Personalized breathwork sessions, Guided nervous system reset, Structured daily breathwork journey, Anxiety and tension release, Mood and energy reset, Improved sleep preparation, Emotional shift tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OceanMind Monthly | $9.99 | per month |
| OceanMind Yearly | $36.49 | per year |


### Protocol Zero

[App page](https://appshunter.io/ios/app/protocol-zero-sleep-sounds/id6755014746)

This app provides a personalized daily plan to improve sleep quality, incorporating science-backed techniques and sleep sounds. It guides users through setting consistent wake times, managing caffeine intake, and activating wind-down routines for better rest.

**Highlights:** Personalized daily sleep plan, Sleep sounds (white noise, rain), Consistent wake time guidance, Caffeine cutoff reminders, Wind-down mode, CBT-I techniques

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Zero Monthly | $12.99 | per month |
| Protocol Zero Annual Starter | $19.99 | per year |
| Protocol Zero Annual | $29.99 | per year |
| Protocol Zero Pro | $39.99 | per year |
| Protocol Zero Pro | $59.99 | per year |


## Frequently asked questions

### Is OceanMind free?

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

### Is Protocol Zero free?

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

### Which has better reviews, OceanMind or Protocol Zero?

OceanMind is rated higher. OceanMind averages 4.9 out of 5 from 14 ratings, while Protocol Zero averages 4.7 from 182 ratings.

### Do OceanMind or Protocol Zero have ads?

Both OceanMind and Protocol Zero show ads.

### Which is updated more often, OceanMind or Protocol Zero?

OceanMind ships an update weekly, and Protocol Zero every 4 days. Most recently, OceanMind was updated on October 11, 2026 and Protocol Zero on October 1, 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.*