# O vs Earpulse

The clearest difference is update cadence: Earpulse at every 3 weeks against O's every 4 months. O's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

O ships an update every 4 months, Earpulse every 3 weeks. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | O | Earpulse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/earpulse/id6755965397/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 68 MB | 17 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Christian Range](https://appshunter.io/developer/1754832824) | [Maximilian Lohmann](https://appshunter.io/developer/1857675550) |

## What reviewers say

### O

[App page](https://appshunter.io/ios/app/o-n-e-d-a-y/id6505036554)

**Features:** macOS Compatibility

**In-app purchases:** none


### Earpulse

[App page](https://appshunter.io/ios/app/earpulse/id6755965397)

This app leverages AirPods Pro 3's biometric sensors to provide real-time heart rate monitoring. It offers detailed historical data, activity tagging, and integrates with Apple Fitness for a comprehensive health overview.

**Highlights:** Real-time heart rate display, EKG visualization, 7-day history and analytics, Activity tagging and filtering, Apple Fitness integration, Ear-based sensor monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is O free?

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

### Is Earpulse free?

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

### Do O or Earpulse have ads?

Neither O nor Earpulse shows ads.

### Which is updated more often, O or Earpulse?

O ships an update every 4 months, and Earpulse every 3 weeks. Most recently, O was updated on September 29, 2026 and Earpulse on October 12, 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.*