Comparison

911PROTECTOR+ vs Molekule

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

911PROTECTOR+

Features
Read full description

Assault can happen at any time, day or night, in broad daylight, a dark alley or parking lot. 911PROTECTOR+™ will auto-dial 9-1-1 by simply clicking the ‘Yes’ button in our mobile app. No more fumbling around trying to dial 9-1-1….our app will do it for you. We have also included a button called “Police Siren”, designed to deliver a powerful police siren blast, if you feel you are being followed. This could cause a stalker to believe the police have been called and run away. You are not alone, 911 PROTECTOR+™ can help keep you safe. "NEVER LEAVE HOME WITHOUT YOUR 911 PROTECTOR+™ Additionally we have added an important new feature that will send to your emergency contacts, notification that you have activated the Emergency Police Siren button, including sms text notification and your GPS location. * LifeGuard Global does not guarantee, or take any responsibility that GPS notification will work at your location.

About

Molekule

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
Read full description

Introducing Air Score 2.0 and support for PECOAir and PECOAir+. See what's in your air and how to improve it. KNOW YOUR AIR SCORE One number for the air in your home, updated as conditions change, with a color band so you know at a glance whether things are good, moderate, or need attention. CONTROL ALL OF YOUR MOLEKULE DEVICES Adjust fan speed, switch modes, and manage all your Molekule devices from anywhere. Connects with new PECOAir and PECOAir+ purifiers, Glow Humidifier, and legacy Air, Air Mini, Air Mini+, and Air Pro purifiers. LOCATION MANAGEMENT Monitor your air quality by room or by property, wherever you are. If you’ve got a Molekule purifier there, you’ve got a reading. KNOW WHAT'S IN YOUR AIR Fast readings from PECOAir's sensor suite: fine particles (PM2.5 and PM10), VOCs, humidity, and temperature. Indoor readings alongside outdoor conditions, so you always have context. TRENDS THAT MEAN SOMETHING Get notified when pollutant levels rise, and see what triggered the spike. Look back by day, week, or month to see what's really shaping your air, from cooking and cleaning to pollen and wildfire smoke. NEVER MISS A FILTER CHANGE See how much life your filter has left and get notified when it's time for a replacement, so your purifier keeps performing at its best. Molekule products are designed for general wellness and improving indoor air quality. They are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease. Questions or feedback? Reach our team at help@molekule.com or visit help.molekule.com.

Screenshots

911PROTECTOR+2 screens
Molekule4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
911PROTECTOR+ versus Molekule: the parameters behind the verdict, then further details
Parameter911PROTECTOR+Molekule
PriceFreeFree
Rating—4.4 (12K ratings) — better
Positive reviews—17.5% of reviews
Number of ratings—12K — better
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.5 — better
Further details — not scored
Size6 MB174 MB
Age rating12+4+
DeveloperLifeGuard Global Inc.MOLEKULE GROUP, INC.

Bugs and requests

911PROTECTOR+

Not enough reviews yet to summarise bugs or requests.

Molekule

Reported bugs

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

Requested features

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

In-app purchases

None

911PROTECTOR+

No in-app purchases

None

Molekule

No in-app purchases

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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