# YonkerCare vs Blood Oxygen App

The clearest difference is rating: Blood Oxygen App at 4.6 against YonkerCare's 1.5. Blood Oxygen App also leads on review sentiment (26% vs 0%) and ratings volume (31K vs 2). YonkerCare's advantage is in-app purchases (none vs 10) and update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Blood Oxygen App sells 9 in-app purchases, starting at $2.99 per 7 days. YonkerCare asks for nothing beyond the download.

Blood Oxygen App holds the better App Store score, 4.6 against 1.5. That said, the two scores are not equally well evidenced: Blood Oxygen App has 31K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of YonkerCare's written reviews are positive against 26% of Blood Oxygen App's.

YonkerCare ships an update every 5 days, Blood Oxygen App every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | YonkerCare | Blood Oxygen App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/yonkercare/id1521766443/reviews) | **[4.6 (31K ratings)](https://appshunter.io/ios/app/blood-oxygen-app/id1541992656/reviews)** |
| Number of ratings | 2 | **31K** |
| Positive reviews | 0.0% of reviews | **25.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | **Free** | Freemium |
| Best chart rank | — | **#29** |
| Size | 61 MB | 317 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [徐州永康电子科技有限公司](https://appshunter.io/developer/1095223244) | [AboutMe Apps, Inc.](https://appshunter.io/developer/1088980079) |

## What reviewers say

### YonkerCare

[App page](https://appshunter.io/ios/app/yonkercare/id1521766443)

Record and query health data for yourself and family members. Visualize trends with charts for daily, weekly, monthly, and yearly changes. Compatible with specific Yongkang Bluetooth devices.

**Highlights:** Record health data, Query health data, Family health tracking, Data trend analysis, Chart visualization, Bluetooth device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Blood Oxygen App

[App page](https://appshunter.io/ios/app/blood-oxygen-app/id1541992656)

**Currently charting:** #29 Top Grossing · Medical (US App Store)

Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

**Highlights:** Blood oxygen monitoring, Heart rate estimation via camera, Apple Watch sync, Data logging and export (PDF), Box breathing exercises, Sleep reports

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium features set | $2.99 | per 7 days |
| Pulse oximeter for Apple Watch | $9.99 | per month |
| Premium month | $9.99 | per month |
| Premium month | $12.99 | per month |
| Premium features (all) | $19.99 | per year |
| Premium | $19.99 | per year |
| Premium features set | $24.99 | per year |
| Premium features set | $24.99 | per year |
| Blood Oxygen＋Body Temperature | $29.99 | per year |

**What reviewers like**

- ⭐ Awesome app
- ⭐ Very easy to use
- ⭐ Helpful for monitoring health conditions
- ⭐ Detailed data logging

**What reviewers complain about**

- ❌ Doesn't accurately measure blood oxygen levels
- ❌ Requires premium subscription for key features
- ❌ Inconsistent and unreliable performance
- ❌ Deceptive marketing and false advertising
- ❌ No way to contact customer support

**Reported bugs**

- App crashes and freezes frequently
- Inaccurate heart rate and oxygen level readings
- Compatibility issues with certain Apple Watch models

**Requested features**

- Add audible/vibration alerts for low oxygen levels
- Improve automatic oxygen level monitoring
- Provide more control over reading frequency


## Frequently asked questions

### Is YonkerCare free?

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

### Is Blood Oxygen App free?

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

### Which has better reviews, YonkerCare or Blood Oxygen App?

Blood Oxygen App is rated higher. YonkerCare averages 1.5 out of 5 from 2 ratings, while Blood Oxygen App averages 4.6 from 31K ratings.

### Do YonkerCare or Blood Oxygen App have ads?

Neither YonkerCare nor Blood Oxygen App shows ads.

### Which is updated more often, YonkerCare or Blood Oxygen App?

YonkerCare ships an update every 5 days, and Blood Oxygen App every 2 weeks. Most recently, YonkerCare was updated on November 3, 2026 and Blood Oxygen App on November 4, 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.*