Best Smartphone Key Apps

249+ iOS apps curated and reviewed

3.6 avg rating

20 free apps

Updated September 2026

From beginner-friendly picks to power-user tools, our smartphone key list covers 249+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Smartphone Key Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Smartphonekey	Free	—	No	No	Sep 2026
2	Brivo Mobile Pass	Free	4.7★ (163K)	No	No	Sep 2026
3	스마트폰키	Free	3.0★ (1)	No	No	May 2026
4	Key	Free	—	No	No	May 2026
5	INTELITY Mobile Key	Free	—	Yes	No	May 2026
6	My Key Mobile	Free	2.1★ (90)	No	No	Sep 2026
7	myFresh Digital Key	Free	—	No	No	May 2026
8	ISEO Mobile Key	Free	—	No	No	May 2026

Top Picks for Smartphone Key

#1

Smartphonekey by Smartphonekey

Smart access control

Editor's Choice

0.0(0 ratings)

Free

Smartphonekey screenshot 1

Smartphonekey screenshot 2

Smartphonekey screenshot 3

Smartphonekey screenshot 4

#2

Brivo Mobile Pass by Brivo Inc.

Strong Contender

4.7😐(163K ratings)

Free

Brivo Mobile Pass screenshot 1

Brivo Mobile Pass screenshot 2

Brivo Mobile Pass screenshot 3

Brivo Mobile Pass screenshot 4

Brivo Mobile Pass screenshot 5

Brivo Mobile Pass screenshot 6

Unlock secured areas using your smartphone as a digital access credential. This app works with the Brivo Access platform, eliminating the need for physical keys and cards. Administrators can easily issue digital passes via email.

What We Love

🚀 Convenient access
🔒 Secure entry
👍 Easy to use
👍 Reliable functionality

Room to Improve

🐛 Connectivity issues
🐛 Unreliable performance
🔋 Drains battery
🤖 Poor user experience

#3

스마트폰키 by Chamsuletech Co., Ltd.

Worth Considering

3.0(1 ratings)

Free

스마트폰키 screenshot 1

스마트폰키 screenshot 2

스마트폰키 screenshot 3

스마트폰키 screenshot 4

More Smartphone Key apps to explore

by Interflex Datensysteme GmbH

Transform your iPhone into a mobile ID card for convenient door access. Securely register your credentials and use your phone to open doors, leveraging advanced encrypted transfer technology.

Smartphone as mobile IDConvenient door openingSecure credential transfer

INTELITY Mobile Key

INTELITY Mobile Key

INTELITY Mobile Key

by Intelity Solutions

by LH Licensed Products, INC.

Unlock your doors using your smartphone through a Bluetooth connection. This application allows for convenient and secure access to your property without the need for physical keys.

Unlock doors with smartphoneBluetooth connectivityKeyless entry

myFresh Digital Key

myFresh Digital Key

myFresh Digital Key

myFresh Digital Key

Unlock compatible door locks using your smartphone. This app eliminates the need to carry physical keys, cards, or fobs for access.

Unlock compatible door locksUse smartphone as a keyNo need for physical keys

ISEO Mobile Key

ISEO Mobile Key

ISEO Mobile Key

by ISEO Serrature S.p.A.

This app allows authorized users of the ISEO V364 access control system to open doors using their smartphone via Bluetooth. It supports multiple virtual keys, automatically detects accessible doors, and functions offline by storing credentials securely on the device.

Open doors with smartphoneBluetooth Smart technologyMultiple virtual keys

Use your smartphone as a digital key to unlock doors equipped with compatible hardware. This app allows for convenient access without needing physical key cards or fobs, utilizing Bluetooth for secure transmission.

Unlock doors with your phoneNo physical key cards neededBluetooth key transmission

MyLIV Belfast Key

MyLIV Belfast Key

MyLIV Belfast Key

Seam Mobile Key App

Seam Mobile Key App

Seam Mobile Key App

📊 Productivity

KeyPlus2 - Digital Key

KeyPlus2 - Digital Key

KeyPlus2 - Digital Key

by Special One Co., Ltd.

Easily control and share car doors using just your phone. Transform your vehicle into a smart car with this application.

Digital car door controlShare car access remotelyTransform car into smart car

Microsoft SwiftKey AI Keyboard

Microsoft SwiftKey AI Keyboard

Microsoft SwiftKey AI Keyboard

Copilot | Emojis | Tone change

This intelligent keyboard learns your writing style to provide accurate autocorrect and helpful predictions. It offers customizable themes and quick access to emojis and GIFs, allowing you to communicate faster and more efficiently.

Learns writing styleAccurate autocorrectHelpful predictions

free with in-app purchases

MobileKey for RemoteLock

MobileKey for RemoteLock

MobileKey for RemoteLock

by Rocky Mountain Ventures, LLC

Transform your smartphone into a digital keycard for seamless access with Bluetooth readers. Avoid carrying extra fobs or cards by simply presenting your phone to unlock doors. The app operates efficiently in the background with minimal power consumption.

Use smartphone as a keycardWorks with RemoteLock Bluetooth ReadersNo extra keyfobs needed

Your Phone as your Key

EasyCar Phone Key

EasyCar Phone Key

EasyCar Phone Key

by EZ TELEMATICS CO., LTD.

Transform your smartphone into your car key. Lock, unlock, and manage your vehicle's access remotely. Features automatic locking/unlocking based on proximity and adjustable working distances.

Smartphone as car keyRemote lock/unlockAutomatic locking/unlocking

HoistGroup Mobile Key

HoistGroup Mobile Key

HoistGroup Mobile Key

by Hoist Group SA

This app allows hotel guests to check in online and use their mobile device as a room key, bypassing the front desk. Hotel staff can also use the app for room and door access with managed permissions.

Online check-inMobile room keyDirect chat with hotel staff

TuneKey® - Key Size & Finger Scope

TuneKey® - Key Size & Finger Scope

TuneKey® - Key Size & Finger Scope

Key Size & Finger Scope

This app offers a novel typing experience for smartphones, utilizing a patented "finger scope" technology to increase the space between keys. This reduces typing errors, especially for users with larger fingers, by preventing accidental presses. It also includes emoji and color customization options.

Patent-pending finger scope technologyEnlarged key spacingReduced typing errors

Keyring - Key Identifier

Keyring - Key Identifier

Keyring - Key Identifier

Key Organizer & Tracker

Easily identify and organize your keys by photographing and labeling them. Track loaned keys, log their last known locations, and receive notifications for due dates. The app offers offline functionality and prioritizes user data privacy.

Photograph and label keysTrack loaned keys and due datesLog key locations with maps

free with in-app purchases

SBS Digital Key

SBS Digital Key

SBS Digital Key

Access Management app

📊 Productivity

FAQ about Smartphone Key

Are there free smartphone key apps for iPhone?

Yes — 20 of the top smartphone key apps we rank are free to download, including Smartphonekey and Brivo Mobile Pass.

Does Smartphonekey have ads or in-app purchases?

Smartphonekey has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many smartphone key apps are on the App Store?

We track 249+ smartphone key apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.