# Oxi tracker vs Blood Oxygen Level

The clearest difference is rating: Blood Oxygen Level at 3.9 against Oxi tracker's 2.2. Blood Oxygen Level also leads on update cadence (every 5 weeks vs every 6 months) and device support (4 vs 2). Oxi tracker's advantage is in-app purchases (none vs 1) and review sentiment (13% vs 0%). On price and ads there is nothing between them.

Both are free to download. Blood Oxygen Level sells 1 in-app purchase, starting at $9.99 per month. Oxi tracker asks for nothing beyond the download.

Blood Oxygen Level holds the better App Store score, 3.9 against 2.2. Both are backed by a comparable volume of ratings — 62 and 193 respectively. Written reviews complicate that: 13% of Oxi tracker's written reviews are positive against 0% of Blood Oxygen Level's, so the app with the better star average is not the one people write more warmly about.

Oxi tracker ships an update every 6 months, Blood Oxygen Level every 5 weeks. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Oxi tracker | Blood Oxygen Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (62 ratings)](https://appshunter.io/ios/app/oxi-tracker/id1064769834/reviews) | **[3.9 (193 ratings)](https://appshunter.io/ios/app/blood-oxygen-level-analyzer/id1595757329/reviews)** |
| Number of ratings | 62 | **193** |
| Positive reviews | **12.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | **Free** | Subscription |
| Size | 28 MB | 24 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Guangdong Biolight Meditech Co., Ltd.](https://appshunter.io/developer/888975473) | [Svetlana Rabosh](https://appshunter.io/developer/1614133369) |

## What reviewers say

### Oxi tracker

[App page](https://appshunter.io/ios/app/oxi-tracker/id1064769834)

Monitor blood oxygen levels, pulse rate, and perfusion index in real-time. View waveform and trend charts, ideal for daily health maintenance and sleep analysis.

**Highlights:** Real-time blood oxygen waveform, SpO2, PR, PI monitoring, Trend charts, Bluetooth connectivity, Sleep state analysis

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Device works standalone
- 👍 Basic data recording

**What reviewers complain about**

- 🐛 App doesn't connect
- 🐛 Registration fails
- 🐛 No account creation
- 🐛 Bluetooth issues
- 🐛 Outdated software

**Reported bugs**

- App no longer allows recording
- Device doesn't connect with iPhone
- Cannot register account
- App does not connect to device
- Error code when trying to register

**Requested features**

- Export data for analysis
- Integrate with Apple HealthKit
- Background data logging
- Keep pleth reading
- Alarm setting on app


### Blood Oxygen Level

[App page](https://appshunter.io/ios/app/blood-oxygen-level-analyzer/id1595757329)

Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.

**Highlights:** Oxygen saturation tracking, Symptom logging, History of changes, Multiple user profiles, HealthKit synchronization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blood Oxygen Monitor One Month | $9.99 | per month |


## Frequently asked questions

### Is Oxi tracker free?

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

### Is Blood Oxygen Level free?

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

### Which has better reviews, Oxi tracker or Blood Oxygen Level?

Blood Oxygen Level is rated higher. Oxi tracker averages 2.2 out of 5 from 62 ratings, while Blood Oxygen Level averages 3.9 from 193 ratings.

### Do Oxi tracker or Blood Oxygen Level have ads?

Neither Oxi tracker nor Blood Oxygen Level shows ads.

### Which is updated more often, Oxi tracker or Blood Oxygen Level?

Oxi tracker ships an update every 6 months, and Blood Oxygen Level every 5 weeks. Most recently, Oxi tracker was updated on October 18, 2026 and Blood Oxygen Level on October 22, 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.*