# SpO2 Watcher vs SetReady

The clearest difference is price: SetReady at Free against SpO2 Watcher's $0.99. SetReady also leads on update cadence (every 3 days vs every 2 months). SpO2 Watcher's advantage is in-app purchases (none vs 3) and chart position (#52 vs unranked). On ads, device support and iOS requirement there is nothing between them.

SetReady is free to download; SpO2 Watcher costs $0.99 up front. SetReady sells 3 in-app purchases, starting at $2.99 per month. SpO2 Watcher asks for nothing beyond the download.

SpO2 Watcher ships an update every 2 months, SetReady every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | SpO2 Watcher | SetReady |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | — |
| Best chart rank | **#52** | — |
| Size | 8 MB | 27 MB |
| Requires iOS | **18** | 18.6 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | +12 |
| Developer | [ESCAPADE GLOBAL PRIVATE LIMITED](https://appshunter.io/developer/1207530175) | [Lito arias](https://appshunter.io/developer/669939672) |

## What reviewers say

### SpO2 Watcher

[App page](https://appshunter.io/ios/app/spo2-watcher/id6756836222)

**Currently charting:** #52 Top Paid · Health & Fitness (US App Store)

This utility app restores blood oxygen level insights to your Apple Watch. It retrieves data from HealthKit and displays it on your watch face and dashboard, offering real-time readings and historical trends. Designed for privacy, your data remains on your device.

**Highlights:** Re-enable watch visibility for SpO2, Real-time blood oxygen dashboards, Advanced watch complications, 24-hour interactive history graph, Automatic background sync, 30-day trend analysis, On-device data storage

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

**In-app purchases:** none


### SetReady

[App page](https://appshunter.io/ios/app/setready-lifting-rest-timer/id6770435744)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SetReady Pro Monthly | $2.99 | per month |
| SetReady Pro Yearly | $24.99 | per year |
| SetReady Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is SpO2 Watcher free?

SpO2 Watcher costs $0.99, with no in-app purchases.

### Is SetReady free?

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

### Do SpO2 Watcher or SetReady have ads?

Neither SpO2 Watcher nor SetReady shows ads.

### Which is updated more often, SpO2 Watcher or SetReady?

SpO2 Watcher ships an update every 2 months, and SetReady every 3 days. Most recently, SpO2 Watcher was updated on November 5, 2026 and SetReady on November 5, 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.*