# WeAlive vs Blood Oxygen Level

The clearest difference is in-app purchases: WeAlive at none against Blood Oxygen Level's 1. WeAlive also leads on iOS requirement (9.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

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

WeAlive ships an update every 2 months, Blood Oxygen Level every 5 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | WeAlive | Blood Oxygen Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (193 ratings)](https://appshunter.io/ios/app/blood-oxygen-level-analyzer/id1595757329/reviews)** |
| Number of ratings | — | **193** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Subscription |
| Size | 19 MB | 24 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [borsam Biomedical](https://appshunter.io/developer/839314648) | [Svetlana Rabosh](https://appshunter.io/developer/1614133369) |

## What reviewers say

### WeAlive

[App page](https://appshunter.io/ios/app/wealive/id1404256565)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 WeAlive free?

WeAlive 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.

### Do WeAlive or Blood Oxygen Level have ads?

Neither WeAlive nor Blood Oxygen Level shows ads.

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

WeAlive ships an update every 2 months, and Blood Oxygen Level every 5 weeks. Most recently, WeAlive was updated on October 16, 2026 and Blood Oxygen Level on October 25, 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.*