# iFORA O2 vs Zenith Magic

The clearest difference is iOS requirement: iFORA O2 at 14.0 against Zenith Magic's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. iFORA O2 sells 4 in-app purchases, starting at $1.99 per month and Zenith Magic sells 5 in-app purchases, starting at $5.00 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | iFORA O2 | Zenith Magic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (18 ratings)](https://appshunter.io/ios/app/ifora-o2/id1454493018/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 398 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [ForaCare Inc.](https://appshunter.io/developer/528184928) | [Hao-Lun Hsu](https://appshunter.io/developer/1871510153) |

## What reviewers say

### iFORA O2

[App page](https://appshunter.io/ios/app/ifora-o2/id1454493018)

Analyze sleep quality with SpO2 and heart rate tracking. Gain insights into heart rate variability and practice guided breathing exercises for improved well-being. Receive personalized recommendations based on your data.

**Highlights:** Sleep SpO2 and heart rate analysis, HRV (Heart Rate Variability) analysis, Resonance Breath (HRV Biofeedback), Personalized sleep and HRV recommendations, Guided breathing exercises, Exportable PDF reports

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Breath Monthly Member | $1.99 | per month |
| HRV Monthly Membership | $3.99 | per month |
| Sleep SpO2 Month Membership | $9.99 | per month |
| 1 License | $2.99 | one-time |


### Zenith Magic

[App page](https://appshunter.io/ios/app/zenith-magic/id6758757008)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly fee system | $5.00 | per 7 days |
| Monthly fee | $12.99 | per month |
| Six-month subscription | $44.99 | per 6 months |
| Yearly fee | $70.00 | per year |
| Lifetime Access | $199.99 | one-time |


## Frequently asked questions

### Is iFORA O2 free?

iFORA O2 is free to download, with in-app purchases available.

### Is Zenith Magic free?

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

### Do iFORA O2 or Zenith Magic have ads?

Neither iFORA O2 nor Zenith Magic shows ads.

### Which is updated more often, iFORA O2 or Zenith Magic?

iFORA O2 ships an update every 9 days, and Zenith Magic every 9 days. Most recently, iFORA O2 was updated on November 6, 2026 and Zenith Magic on November 9, 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.*