# Winix Smart vs OSA Guide

The clearest difference is rating: OSA Guide at 5.0 against Winix Smart's 4.6. OSA Guide also leads on iOS requirement (13.0 vs 15.6). Winix Smart's advantage is ratings volume (34K vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

OSA Guide holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Winix Smart has 34K ratings behind it against 2, so its average is the more settled of the two.

Winix Smart ships an update monthly, OSA Guide every 3 weeks. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Winix Smart | OSA Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (34K ratings)](https://appshunter.io/ios/app/winix-smart/id1477030154/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/osa-guide/id6471167130/reviews)** |
| Number of ratings | **34K** | 2 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 80 MB | 42 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [WINIX INC.](https://appshunter.io/developer/475353212) | [Apnimed Inc.](https://appshunter.io/developer/1860168076) |

## What reviewers say

### Winix Smart

[App page](https://appshunter.io/ios/app/winix-smart/id1477030154)

Control your air purifier remotely, monitor indoor and outdoor air quality in real-time, and manage filter life. Schedule operation and integrate with voice assistants for hands-free control.

**Highlights:** Remote power on/off, Fan speed and mode control, Scheduling air purifier operation, Real-time indoor/outdoor air quality monitoring, Filter life tracking and replacement alerts, Voice control with Amazon Alexa

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Cleans air effectively
- 🚀 Easy installation
- 💡 Helpful app features (filter life, air quality monitoring)

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🔒 Privacy concerns (location access required)
- 🔍 Unreliable outdoor air quality data
- 🤖 Buggy and unresponsive app
- 🤔 Confusing setup process

**Reported bugs**

- App crashes frequently
- Firmware update process issues
- Inability to connect to WiFi
- Scheduling features not functioning properly

**Requested features**

- Add dark mode option
- Improve app UI and usability
- Allow device rearrangement in app
- Integrate with smart home platforms (HomeKit, Google Home)
- Provide more detailed air quality information


### OSA Guide

[App page](https://appshunter.io/ios/app/osa-guide/id6471167130)

This app syncs data from a sleep collection device, allowing users to review sleep metrics and complete surveys. Data is uploaded wirelessly to a cloud server for analysis. The content is for informational purposes and not a substitute for professional medical advice.

**Highlights:** Sync sleep data from device, Review sleep metrics, Respond to surveys, Wireless data upload, Cloud data storage

**In-app purchases:** none


## Frequently asked questions

### Is Winix Smart free?

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

### Is OSA Guide free?

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

### Which has better reviews, Winix Smart or OSA Guide?

OSA Guide is rated higher. Winix Smart averages 4.6 out of 5 from 34K ratings, while OSA Guide averages 5.0 from 2 ratings.

### Do Winix Smart or OSA Guide have ads?

Neither Winix Smart nor OSA Guide shows ads.

### Which is updated more often, Winix Smart or OSA Guide?

Winix Smart ships an update monthly, and OSA Guide every 3 weeks. Most recently, Winix Smart was updated on September 27, 2026 and OSA Guide on September 14, 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.*