# AirDoctor Pro vs Space 314

The clearest difference is device support: Space 314 at 4 against AirDoctor Pro's 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.

AirDoctor Pro ships an update every 2 months, Space 314 every 6 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AirDoctor Pro | Space 314 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 165 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Aquatru LLC](https://appshunter.io/developer/1448009588) | [Space 314 LLC](https://appshunter.io/developer/1757496186) |

## What reviewers say

### AirDoctor Pro

[App page](https://appshunter.io/ios/app/airdoctor-pro/id6447295779)

Control your air purifier remotely, receive real-time air quality data, and manage filter replacements. Monitor indoor air quality trends and customize purification settings from anywhere.

**Highlights:** Remote purifier control (on/off, fan speed), Real-time air quality alerts and data, Customizable purification settings, Filter change alerts and in-app shopping, Indoor air quality dashboard (daily/weekly), Collaborative and multi-unit management

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

**In-app purchases:** none


### Space 314

[App page](https://appshunter.io/ios/app/space-314/id6547832939)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is AirDoctor Pro free?

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

### Is Space 314 free?

Space 314 is free to download, with no in-app purchases.

### Do AirDoctor Pro or Space 314 have ads?

Neither AirDoctor Pro nor Space 314 shows ads.

### Which is updated more often, AirDoctor Pro or Space 314?

AirDoctor Pro ships an update every 2 months, and Space 314 every 6 weeks. Most recently, AirDoctor Pro was updated on October 30, 2026 and Space 314 on October 27, 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.*