# 911PROTECTOR+ vs Molekule

The clearest difference is update cadence: Molekule at every 2 months against 911PROTECTOR+'s every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

911PROTECTOR+ ships an update every 7 months, Molekule every 2 months. The most recent releases landed on October 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 911PROTECTOR+ | Molekule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (12K ratings)](https://appshunter.io/ios/app/molekule/id1219881640/reviews)** |
| Number of ratings | — | **12K** |
| Positive reviews | — | 17.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 6 MB | 174 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [LifeGuard Global Inc.](https://appshunter.io/developer/1060701210) | [MOLEKULE GROUP, INC.](https://appshunter.io/developer/1219881639) |

## What reviewers say

### 911PROTECTOR+

[App page](https://appshunter.io/ios/app/911protector-plus/id1169368594)

**Features:** macOS Compatibility

**In-app purchases:** none


### Molekule

[App page](https://appshunter.io/ios/app/molekule/id1219881640)

Monitor your indoor air quality in real-time, track pollutant levels, and control your Molekule air purifiers remotely. Get personalized air quality scores and filter change notifications to maintain optimal home air.

**Highlights:** Real-time air quality monitoring, Personalized Air Score, Remote purifier control, Pollutant tracking (PM2.5, VOCs, humidity), Filter change notifications, Room-by-room air quality management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Remote operating
- 🌟 Great air purifier
- 👍 Sleek design
- 💨 Helps with allergies

**What reviewers complain about**

- 🐛 Buggy app
- 🔌 Connectivity issues
- 🕰️ Unreliable filter status
- 📱 Useless app
- 🤯 Frustrating setup

**Reported bugs**

- App crashes frequently
- Inability to change app language
- Devices randomly disconnecting from app
- Inaccurate filter life reporting

**Requested features**

- Scheduling options for auto mode
- Ability to order filters directly from app
- Improved app stability and reliability


## Frequently asked questions

### Is 911PROTECTOR+ free?

911PROTECTOR+ is free to download, with no in-app purchases.

### Is Molekule free?

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

### Do 911PROTECTOR+ or Molekule have ads?

Neither 911PROTECTOR+ nor Molekule shows ads.

### Which is updated more often, 911PROTECTOR+ or Molekule?

911PROTECTOR+ ships an update every 7 months, and Molekule every 2 months. Most recently, 911PROTECTOR+ was updated on October 10, 2026 and Molekule on November 3, 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.*