# OxyKnight vs AllergySentinel

The clearest difference is rating: AllergySentinel at 5.0 against OxyKnight's 4.0. OxyKnight's advantage is in-app purchases (none vs 2) and ratings volume (12 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. AllergySentinel sells 2 in-app purchases, starting at $9.99 per month. OxyKnight asks for nothing beyond the download.

AllergySentinel holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: OxyKnight has 12 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | OxyKnight | AllergySentinel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (12 ratings)](https://appshunter.io/ios/app/oxyknight/id1631825159/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/allergysentinel-pollen-count/id6758871964/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 12 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [CMI Health Inc.](https://appshunter.io/developer/1054521049) | [Herbert Hunt](https://appshunter.io/developer/1872212139) |

## What reviewers say

### 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


### AllergySentinel

[App page](https://appshunter.io/ios/app/allergysentinel-pollen-count/id6758871964)

Get precise, hyperlocal pollen and air quality data to navigate your environment safely. Find commute routes with the least allergen exposure and receive real-time alerts for spikes or poor air quality. Track your symptoms to understand patterns and know when it's safe to enjoy fresh air.

**Highlights:** Hyperlocal pollen and air quality tracking, Safe commute route planning, Real-time allergy and air quality alerts, Fresh air notification system, Symptom logging and pattern analysis, Apple Watch integration, Dynamic Island and Live Activities support

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is OxyKnight free?

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

### Is AllergySentinel free?

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

### Which has better reviews, OxyKnight or AllergySentinel?

AllergySentinel is rated higher. OxyKnight averages 4.0 out of 5 from 12 ratings, while AllergySentinel averages 5.0 from 1 ratings.

### Do OxyKnight or AllergySentinel have ads?

Neither OxyKnight nor AllergySentinel shows ads.

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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.*