Best Key4 Apps

218+ iOS apps curated and reviewed

4.0 avg rating
19 free apps
Updated July 2026

Xhorse is the household name in key4, but it's far from the only option. We track 218+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Key4 Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1XhorseXhorseFree4.3★ (159)NoNoJun 2026
2UBS & UBS key4UBS & UBS key4Free4.7★ (2.1K)YesNoJul 2026
3AutoProAPPAutoProAPPFree3.5★ (31)NoNoMay 2026
4Accès sécurisé UBS AccessAccès sécurisé UBS AccessFree4.8★ (1.4K)NoNoJul 2026
5Calc4KeyCalc4Key$0.994.6★ (818)NoNoJul 2026
6KevoKevoFree4.6★ (27K)NoNoJul 2026
7KeycafeKeycafeFree4.7★ (330)YesNoJul 2026
8Car Play Connect: Digital KeyCar Play Connect: Digital KeyFree4.3★ (2.3K)NoYesJul 2026

Top Picks for Key4

Xhorse#1

Xhorse by Shenzhen XHorse Electronics Co., Ltd.

Editor's Choice
🔧 Utilities
4.3(159 ratings)
Free
Xhorse screenshot 1
Xhorse screenshot 2
Xhorse screenshot 3
Xhorse screenshot 4
Xhorse screenshot 5
Xhorse screenshot 6

This application connects to specialized locksmith devices via Bluetooth to perform various key and car remote operations. It offers features like transponder generation, cloning, editing, and key cutting. The app also provides access to a bonus points mall and customer service.

UBS & UBS key4#2

UBS & UBS key4 by UBS AG

Mobile Banking
Strong Contender
💰 Finance
4.7😞(2.1K ratings)
FreeAds
UBS & UBS key4 screenshot 1
UBS & UBS key4 screenshot 2
UBS & UBS key4 screenshot 3
UBS & UBS key4 screenshot 4
UBS & UBS key4 screenshot 5
UBS & UBS key4 screenshot 6

Access your UBS banking services on the go with this mobile app. It offers digital banking for private clients and business account setup for Swiss residents. Enjoy advanced security features to protect your transactions.

What We Love

  • 🔒 Secure and does what it needs to do
  • 👍 Easy, clear, and user-friendly
  • 🚀 Convenient to manage banking services and pay bills
  • 💡 Excellent personalized customer services

Room to Improve

  • 🐛 Full of bugs
  • 👎 Poor design and confusing user interface
  • 🐢 Slow and unresponsive
AutoProAPP#3

AutoProAPP by American Key Supply

Ultimate Resource 4 Locksmiths
Worth Considering
🔍 Reference
3.5(31 ratings)
Free
AutoProAPP screenshot 1
AutoProAPP screenshot 2

This comprehensive resource provides automotive locksmiths with up-to-date vehicle information, including key codes, programming instructions, and unlocking methods. It features a community-driven database and customizable tools to aid in daily locksmith tasks.

More Key4 apps to explore

4
Accès sécurisé UBS Access
Accès sécurisé UBS Access
Accès sécurisé UBS Access
E-Banking et Mobile Banking
Free

Securely log in to digital banking services and confirm online payments and new payees. Receive important security-related notifications to protect your accounts. Offers multiple layers of security for peace of mind.

Secure login to E-Banking and Mobile BankingConfirm online payments and new payeesReceive security-related event notifications
💰 Finance
(1.4K)
free
5
Calc4Key
Calc4Key
Calc4Key
Calculator on keyboard
$0.99

Perform calculations directly within your keyboard, eliminating the need to switch apps or copy-paste results. This utility allows you to calculate anywhere you type, enhancing productivity and convenience.

Calculator on keyboardCalculate anywhereNo app switching
🔧 Utilities
(818)
free
6
Kevo
Kevo
Kevo
Your Phone Is Now Your Key
Free

Transform your smartphone into a key for compatible smart locks. Unlock doors with a simple touch, eliminating the need for physical keys. Grant access remotely to family and friends with customizable eKeys and monitor lock activity.

Smartphone as keyTouch-to-open functionalityRemote eKey sending
🌟 Lifestyle
(27K)
free
7
Keycafe
Keycafe
Keycafe
Share Your Keys
Free

This app facilitates secure key management for various organizations and individuals. It integrates with smart lockboxes to control access, track usage, and verify users in real-time. It's useful for businesses needing to grant temporary access and for individuals participating in the sharing economy.

Control access to keys by minuteProvide anytime access to staff/guestsComplete access history tracking
✈️ Travel
(330)
free with in-app purchases
8
Car Play Connect: Digital Key
Car Play Connect: Digital Key
Car Play Connect: Digital Key
For BMW, Ford, Audi, Honda etc
Free

Monitor and control your vehicle remotely from your smartphone. Track fuel levels, tire pressure, battery charge, and lock/unlock doors. Share digital car keys securely and find your parked car with ease.

Remote door lock/unlockDigital car key sharingReal-time vehicle status updates
🔧 Utilities
(2.3K)
subscription
9
Microsoft SwiftKey AI Keyboard
Microsoft SwiftKey AI Keyboard
Microsoft SwiftKey AI Keyboard
Copilot | GPT-4 | DALL·E 3
Free

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
🔧 Utilities
(121K)
free with in-app purchases
10
4GKey
4GKey
4GKey
by 克勤 刘
Free
🔧 Utilities
(0)
11
Key4Friends
Key4Friends
Key4Friends
by SimonsVoss Technologies GmbH
Free

Easily and securely share access to doors with friends and family. Receive authorizations from the MobileKey app to open and close designated doors directly from your smartphone. Requires an internet connection for operation.

Receive digital door keysOpen and close authorized doorsSecure key distribution
📊 Productivity
(0)
free
12
Kal4 Amharic Keyboard
Kal4 Amharic Keyboard
Kal4 Amharic Keyboard
by Lominat LLC
Free

This utility provides a four-row Amharic keyboard layout for easy typing. It displays the full Fidel character set on a single screen and offers advanced word prediction for a smoother writing experience.

Four-row Fidel keyboard layoutFull Fidel character set displayPopup Fidel set display
🔧 Utilities
(1.1K)
free
13
Google Smart Lock
Google Smart Lock
Google Smart Lock
by Google LLC
Free

Securely log in to websites and apps using your phone's built-in security key or a physical Bluetooth key. It simplifies access by remembering your passwords and offering a more convenient sign-in experience.

Use phone as security keyUse Bluetooth security keyPassword saving
🔧 Utilities
(573)
free with in-app purchases
14
Piano Keyboard App: Play Songs
Piano Keyboard App: Play Songs
Piano Keyboard App: Play Songs
Learn keys & Create Your Music
Free

Learn and play piano anytime, anywhere with a full 88-key virtual keyboard. Record your musical creations, save them, and share them with friends. Offers a metronome and adjustable keyboard size for a personalized experience.

88-key piano keyboardAdjustable keyboard sizeMetronome
🎵 Music
(12K)
free with in-app purchases
15
My Hotel Key
My Hotel Key
My Hotel Key
by Agilysys NV, LLC
Free

Unlock your hotel room door directly from your smartphone. This app eliminates the need for physical keys by providing secure digital access after online ID verification. Enjoy a seamless and convenient check-in experience.

Unlock hotel room doors with smartphoneDigital key sent to the appEliminates lost or stolen physical keys
🔧 Utilities
(3)
free
16
PokeKeys
PokeKeys
PokeKeys
In-game PvP & IV Calculator
Free

This app enhances the Pokémon GO experience by integrating an IV calculator directly into your keyboard, eliminating the need for screenshots. It also offers a PvP analyzer, in-game filtering, and quick access to timers and calculators via a widget.

In-keyboard IV checkingLive IV checker without screenshotsPvP analyzer
🔧 Utilities
(439)
free
17
PairMyKey
PairMyKey
PairMyKey
Easily Program Vehicle Keys
Free

This app simplifies the process of programming vehicle keys and remotes for most cars. It works in conjunction with a dongle, connecting to your vehicle's OBDII port to enable effortless key programming. Save time and money on dealership services.

Program vehicle keysProgram remotesOBDII port connection
🔧 Utilities
(106)
free
18
Easy4key
Easy4key
Easy4key
by Zhejiang Dahua Vision Technology Co.,Ltd.
Free
🔧 Utilities
(0)
19
Key Genius
Key Genius
Key Genius
by Autel Intelligent Technology Co., Ltd.
Free

Easily program new car keys at home using your smartphone. Compatible with thousands of vehicle models, this app guides you through the DIY installation process after receiving a pre-cut key.

DIY car key pairingCompatible with thousands of vehiclesStep-by-step phone instructions
🔧 Utilities
(63)
free with in-app purchases
20
Key Meditation
Key Meditation
Key Meditation
by 4You Coaching GmbH
Free

Find inner peace and reduce stress with guided, traditional, and silent meditations. This app offers a simple entry into meditation for beginners and advanced practitioners alike, with sessions ranging from 5 to 33 minutes.

Guided meditationsTraditional meditation techniquesSilent meditations with ambient sounds
💪 Health & Fitness
(0)
free with in-app purchases

FAQ about Key4

What are the best key4 apps for iPhone?
Xhorse tops our key4 apps ranking as of July 2026, with a 4.3-star average from 159 App Store ratings, and it's free to download.
Yes — 19 of the top key4 apps we rank are free to download, including Xhorse and UBS & UBS key4.
Xhorse has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 218+ key4 apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The Xhorse app is designed for locksmiths and connects to Xhorse hardware devices like MINI KEY TOOL and DOLPHIN via Bluetooth. It allows users to perform various operations related to car keys, remotes, and chips, including generating, cloning, editing, and cutting keys.
Key features include transponder generating, cloning, and editing, as well as remote generating and cloning when connected to the MINI KEY TOOL. When connected to the DOLPHIN device, it enables key decoding, key cutting, and universal key duplication.

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