# Ozigo vs HeartOxy

The clearest difference is price: Ozigo at Free against HeartOxy's $3.99. HeartOxy's advantage is update cadence (every 3 days vs every 9 days). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ozigo is free to download; HeartOxy costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ozigo ships an update every 9 days, HeartOxy every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Ozigo | HeartOxy |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 50 MB | 7 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [OZINY JOINT STOCK COMPANY](https://appshunter.io/developer/1816150498) | [Boon Piow Leong](https://appshunter.io/developer/1869053126) |

## What reviewers say

### Ozigo

[App page](https://appshunter.io/ios/app/ozigo/id6754625442)

**Features:** macOS Compatibility

**In-app purchases:** none


### HeartOxy

[App page](https://appshunter.io/ios/app/heartoxy/id6757838240)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Ozigo free?

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

### Is HeartOxy free?

HeartOxy costs $3.99, with no in-app purchases.

### Do Ozigo or HeartOxy have ads?

Neither Ozigo nor HeartOxy shows ads.

### Which is updated more often, Ozigo or HeartOxy?

Ozigo ships an update every 9 days, and HeartOxy every 3 days. Most recently, Ozigo was updated on October 30, 2026 and HeartOxy on October 31, 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.*