Comparison

Lifekey vs 3R

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

Head to head
About

Lifekey

Instantly share bio, social links, and personal safety information with a tap. Connect with family, manage profiles for loved ones, and protect personal health data. Also allows for item and pet tracking.

Highlights
  • Instant bio and social link sharing
  • Personal safety information access
  • Family and loved one check-ins
  • Temporary health data access
  • Pet and item tracking
  • Tap OS integration
Read full description

Lifekey® connects to wearables and other devices to provide instant access to your bio, social links, and personal safety info with just a tap. Check-in with family members to let them know where you are and what you're up to. There's no creepy tracking — share only when you want to. Use the app to manage your profile, your kids, seniors, pets and even your prized possessions. • CONNECTED FAMILY: Did Cooper make it to practice? Check-in with family and friends with just a tap or share a moment by including a photo and a note from your current location. Lifekey puts peace of mind and security at your fingertips while protecting your loved ones. • SAFETY AND WELL BEING: Take a proactive approach to your safety with Lifekey. Store, protect, and give temporary access to your personal health info when it's needed most. Designed to work with Lifekey wearables like Smart Straps, stickers, patches, and more. Ideal for families, athletes, and kids. • GIVE PETS A VOICE: Tap a Fetch® Pet Tag with your phone and you'll notify that pet's owner of their whereabouts. You'll also get instant access to the pet's human contact and vet records. • FIND MY OWNER: What if you leave your coveted snowboard on the mountain or your bike in the park? Wouldn’t it be nice if it could tell someone who it belongs to and how to contact you? Use this app to load important info on items and so you can be notified when it’s found. • TAP® OS: Our proprietary operating system makes it possible to activate and access a new world of functionality from tap-enabled products anywhere you see the Lifekey logo. Look for it on everything from ski jackets to stuffed animals. See how it works and scan your first Lifekey at https://usetap.app Supported features may vary across devices, phones, and countries. Tap OS is not available in certain countries and languages.

About

3R

Easily connect and control your Matter-compatible smart home devices. Customize device settings and receive software updates to enhance your smart living experience.

Highlights
  • Connect Matter-compatible devices
  • Customize device attributes
  • Manage software upgrades
  • Simplify smart home setup
  • Enhance smart living
Features
Read full description

With the 3R-Matter App, you can seamlessly connect your Matter-compatible devices, eliminating complex setup procedures. Tailor your devices to your preferences by fine-tuning basic attributes to ensure they work exactly the way you want them to. Stay up-to-date with the latest features and improvements through convenient software upgrades, all managed within the App. Welcome to a world of smart living made simple. Elevate your smart home experience with the 3R-Matter App, where connectivity and control meet simplicity and convenience.

Screenshots

Lifekey4 screens
3R3 screens

Verdict

The call

Lifekey and 3R are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 2.7 for Lifekey against 2.6 for 3R. Both are backed by a comparable volume of ratings — 29 and 19 respectively. Written reviews are what separate them: 18% of Lifekey's written reviews are positive against 20% of 3R's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
Lifekey versus 3R: the parameters behind the verdict, then further details
ParameterLifekey3R
PriceFreeFree
Rating2.7 (29 ratings) — better2.6 (19 ratings)
Positive reviews17.6% of reviews20.0% of reviews — better
Number of ratings29 — better19
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.616.4 — better
Further details — not scored
Size103 MB24 MB
Age rating12+4+
DeveloperLifekey, Inc.Third Reality, Inc

Customer experience

Lifekey

All ratings28 ratings
Positive42.9%
Neutral3.6%
Negative53.6%
Written reviews17 reviews
Positive17.6%
Neutral5.9%
Negative76.5%

3R

All ratings19 ratings
Positive36.8%
Neutral5.3%
Negative57.9%
Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

In-app purchases

None

Lifekey

No in-app purchases

None

3R

No in-app purchases

Questions

Is Lifekey free?
Lifekey is free to download, with no in-app purchases.
Is 3R free?
3R is free to download, with no in-app purchases.
Which has better reviews, Lifekey or 3R?
Lifekey is rated higher. Lifekey averages 2.7 out of 5 from 29 ratings, while 3R averages 2.6 from 19 ratings.
Do Lifekey or 3R have ads?
Neither Lifekey nor 3R shows ads.
Which is updated more often, Lifekey or 3R?
Lifekey ships an update every 2 months, and 3R every 2 months. Most recently, Lifekey was updated on October 24, 2026 and 3R on October 25, 2026.

Other comparisons