# Beyond Oximeter vs OxyKnight

The clearest difference is rating: OxyKnight at 4.0 against Beyond Oximeter's 2.2. OxyKnight also leads on review sentiment (50% vs 13%) and update cadence (fortnightly vs every 3 months). Beyond Oximeter's advantage is ratings volume (90 vs 12) and iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OxyKnight holds the better App Store score, 4.0 against 2.2. That said, the two scores are not equally well evidenced: Beyond Oximeter has 90 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 13% of Beyond Oximeter's written reviews are positive against 50% of OxyKnight's.

Beyond Oximeter ships an update every 3 months, OxyKnight fortnightly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Beyond Oximeter | OxyKnight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (90 ratings)](https://appshunter.io/ios/app/beyond-oximeter/id1605638778/reviews) | **[4.0 (12 ratings)](https://appshunter.io/ios/app/oxyknight/id1631825159/reviews)** |
| Number of ratings | **90** | 12 |
| Positive reviews | 13.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 20 MB | 48 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Intelliworks, LLC](https://appshunter.io/developer/1448088763) | [CMI Health Inc.](https://appshunter.io/developer/1054521049) |

## What reviewers say

### Beyond Oximeter

[App page](https://appshunter.io/ios/app/beyond-oximeter/id1605638778)

Monitor your vital signs like SpO2, pulse, and respiratory rate in real-time. Record, share, and view trend graphs of your measurements. Requires a Bluetooth-enabled device to function.

**Highlights:** Real-time SpO2 and pulse rate monitoring, Respiratory rate and PI tracking, Vital sign trend graphs, Data recording and playback, Share measurement reports, Apple Health sync

**In-app purchases:** none

**What reviewers like**

- 👍 Device hardware seems good
- 👍 Guest mode works without issue
- 👍 Syncs well with Apple Health
- 👍 Easy to use app
- 👍 Transfers data to Apple Health without issues

**What reviewers complain about**

- 🐛 Cannot create account
- 🐛 Cannot change password
- 🐛 Password too long or not strong enough
- 🐛 Bluetooth functionality does not work
- 🐛 App is unstable and crashes

**Reported bugs**

- Cannot change password
- Cannot create an account
- Password requirements are too strict or unclear
- Bluetooth pairing issues
- App freezes or crashes

**Requested features**

- Show tracings on the report
- Allow recording notes for readings
- App for Apple Watch
- More history at a glance
- Dark mode/blackout feature for screen brightness


### OxyKnight

[App page](https://appshunter.io/ios/app/oxyknight/id1631825159)

This app works with compatible smart oximeter devices to monitor and record overnight pulse oximetry. It provides detailed sleep reports with SpO2 and PR trends, customizable alarms, and spot-checking capabilities for oxygen saturation and respiration rate.

**Highlights:** Overnight HRPO monitoring, Sleep reports with SpO2/PR trends, Customizable SpO2/PR alarms, Spot Check SpO2, PR, Respiration Rate, Bluetooth device connection, Shareable sleep data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Beyond Oximeter free?

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

### Is OxyKnight free?

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

### Which has better reviews, Beyond Oximeter or OxyKnight?

OxyKnight is rated higher. Beyond Oximeter averages 2.2 out of 5 from 90 ratings, while OxyKnight averages 4.0 from 12 ratings.

### Do Beyond Oximeter or OxyKnight have ads?

Neither Beyond Oximeter nor OxyKnight shows ads.

### Which is updated more often, Beyond Oximeter or OxyKnight?

Beyond Oximeter ships an update every 3 months, and OxyKnight fortnightly. Most recently, Beyond Oximeter was updated on October 24, 2026 and OxyKnight 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.*