# Blood Oxygen SpO₂ Tracker vs Stepix

The clearest difference is in-app purchases: Stepix at none against Blood Oxygen SpO₂ Tracker's 3. Stepix also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Blood Oxygen SpO₂ Tracker sells 3 in-app purchases, starting at $1.99 per month. Stepix asks for nothing beyond the download.

Blood Oxygen SpO₂ Tracker ships an update fortnightly, Stepix every 3 days. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Blood Oxygen SpO₂ Tracker | Stepix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (130 ratings)](https://appshunter.io/ios/app/blood-oxygen-spo-tracker/id1533800269/reviews)** | — |
| Number of ratings | **130** | — |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 30 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [Selcuk Dalaslan](https://appshunter.io/developer/931830192) |

## What reviewers say

### Blood Oxygen SpO₂ Tracker

[App page](https://appshunter.io/ios/app/blood-oxygen-spo-tracker/id1533800269)

Track your blood oxygen saturation (SpO₂) with smart alerts and historical data. Understand your overall wellness and make informed health decisions with detailed charts and insights on your iPhone and Apple Watch.

**Highlights:** View latest SpO₂ measurement, Detailed 7-day averages and charts, Custom low reading notifications, iOS and watchOS widgets/complications, Elegant design with clear insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $11.99 | per year |
| Activate Full Access | $79.99 | one-time |

**What reviewers like**

- 🚀 Instant blood oxygen readings
- 👍 Helpful for high altitude regions
- 🔋 Efficient battery usage

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🚫 Doesn't work with older Apple Watches
- 📱 Incompatible with certain iPhone models
- 💰 Overpriced for limited functionality

**Reported bugs**

- Delayed alert notifications
- Inability to view previous readings
- Complication not working as expected

**Requested features**

- PDF export of historical data
- Customizable alert thresholds
- Improved data visualization


### Stepix

[App page](https://appshunter.io/ios/app/stepix-every-step-counts/id6796825332)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blood Oxygen SpO₂ Tracker free?

Blood Oxygen SpO₂ Tracker is free to download, with in-app purchases available.

### Is Stepix free?

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

### Do Blood Oxygen SpO₂ Tracker or Stepix have ads?

Neither Blood Oxygen SpO₂ Tracker nor Stepix shows ads.

### Which is updated more often, Blood Oxygen SpO₂ Tracker or Stepix?

Blood Oxygen SpO₂ Tracker ships an update fortnightly, and Stepix every 3 days. Most recently, Blood Oxygen SpO₂ Tracker was updated on October 29, 2026 and Stepix on October 10, 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.*