# Athlos vs Protocol Zero

The clearest difference is review sentiment: Protocol Zero at 67% against Athlos's 0%. Athlos's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Protocol Zero sells 5 in-app purchases, starting at $12.99 per month. Athlos asks for nothing beyond the download.

## The numbers

| Metric | Athlos | Protocol Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (182 ratings)](https://appshunter.io/ios/app/protocol-zero-sleep-sounds/id6755014746/reviews)** |
| Number of ratings | — | **182** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 days |
| Monetization | **Free** | Subscription |
| Size | 62 MB | 123 MB |
| Requires iOS | **14.0** | 17.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [GSA TOKEN FINANSAL TEKNOLOJILER ANONIM SIRKETI](https://appshunter.io/developer/1735935167) | [HumanOS LLC](https://appshunter.io/developer/1851339721) |

## What reviewers say

### Athlos

[App page](https://appshunter.io/ios/app/athlos/id6498401407)

This AI-powered platform helps athletes and coaches track and analyze health and performance data. It offers personalized insights, daily summaries, and AI-driven recommendations to enhance development and success.

**Highlights:** AI-powered sports and health tracking, Performance analysis for athletes and coaches, Personalized insights and recommendations, Daily data monitoring (training, nutrition, wellbeing), Digital diary for progress tracking, Strategy development tools for coaches

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Athlos free?

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

### Is Protocol Zero free?

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

### Do Athlos or Protocol Zero have ads?

Protocol Zero shows ads; Athlos does not.

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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.*