Best Key4 Apps

248+ iOS apps curated and reviewed

3.2 avg rating

18 free apps

Updated October 2026

Easy Keys 4 Cars is the household name in key4, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Key4 Apps (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Easy Keys 4 Cars	Free	5.0★ (1)	Yes	No	Oct 2026
2	Techno Lock Keys	Free	—	No	No	Oct 2026
3	UBS & UBS key4	Free	4.7★ (2.3K)	No	No	Nov 2026
4	Plus4U Key	Free	1.0★ (1)	No	No	Oct 2026
5	Xhorse	Free	4.3★ (166)	No	No	Oct 2026
6	E4Keys	Free	—	No	Yes	Oct 2026
7	Key4Friends	Free	—	No	No	Sep 2026
8	AutoProAPP	Free	3.5★ (37)	No	No	Oct 2026

Top Picks for Key4

#1

Easy Keys 4 Cars by daniel saadon

Car Keys mobile & Locksmith

Editor's Choice

5.0(1 ratings)

FreeAds

Easy Keys 4 Cars screenshot 1

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Easy Keys 4 Cars screenshot 3

Easy Keys 4 Cars screenshot 4

Easy Keys 4 Cars screenshot 5

Easy Keys 4 Cars screenshot 6

This app provides quick and convenient car key services, including replacement, duplication, and emergency lockout assistance. It offers professional key cutting and programming for various key types. The service is currently available in Toronto and the GTA, with expansion plans.

#2

Techno Lock Keys by Mohamad al halabi

tlkeys

Strong Contender

🛍️ Shopping

0.0(0 ratings)

Free

Techno Lock Keys screenshot 1

Techno Lock Keys screenshot 2

Techno Lock Keys screenshot 3

Techno Lock Keys screenshot 4

Techno Lock Keys screenshot 5

Techno Lock Keys screenshot 6

#3

UBS & UBS key4 by UBS AG

Mobile Banking

Worth Considering

4.7😞(2.3K ratings)

Free

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
🔌 Frequent app updates required
🔒 Complicated login and authentication process
🤔 Missing key features compared to website

More Key4 apps to explore

Secure login to Plus4U

This utility app provides a secure and convenient way to log into the Plus4U system. It simplifies access to your Plus4U account with enhanced security features.

Secure login to Plus4UConvenient accessEnhanced security

by Shenzhen XHorse Electronics Co., Ltd.

This app connects to specialized locksmith devices via Bluetooth for key blade, remote control, and chip operations. It offers data retrieval, customer service, and device-specific functions like transponder generation and key cutting.

Key blade operationsCar remote control functionsChip related operations

English for Keys

by SimonsVoss Technologies GmbH

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

Ultimate Resource 4 Locksmiths

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.

Vehicle code, tumbler, and lock infoKey, chip, remote, and shell dataKey decoding and programming instructions

UBS Access – secure login

UBS Access – secure login

UBS Access – secure login

For e-banking & Mobile Banking

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

In-game PvP & IV Calculator

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

FourKeys - Sound Button

FourKeys - Sound Button

FourKeys - Sound Button

Super Fun Sound Button Toy

Tap large buttons to play funny sound effects instantly. Create custom soundboards with your own recordings or imported audio. Enjoy this satisfying sound toy on your iPhone, Apple Watch, and home screen widget for pranks or stress relief.

Instant sound effect playbackCustomizable soundboardsRecord and import audio

🎬 Entertainment

free with in-app purchases

Guitar & piano reference tool

This music reference tool helps musicians translate notes, chords, and keys between guitar and piano. It aids in understanding chord structures within major keys and their representation on both instruments. Guitarists can adjust tunings and capo positions to better grasp their playing.

Translate notes, chords, and keysLearn 12 major keys and their chordsSee chord representation on piano and guitar

KeySafe: Key Identifier

KeySafe: Key Identifier

KeySafe: Key Identifier

Scan & organise your keys

This app uses your phone's camera to scan and identify various keys. Organize your entire keyring with names, notes, and details for easy recall. It offers offline functionality and secure cloud syncing for your key collection.

Scan keys with phone cameraIdentify key shapes accuratelyOrganize keys with names and notes

K4us Swedish Keyboard

K4us Swedish Keyboard

K4us Swedish Keyboard

With Arrow keys

Proxess Mobile Keys

Proxess Mobile Keys

Proxess Mobile Keys

Access secure entry points using your smartphone. This application allows for seamless authentication with Proxess security system locksets and readers.

Mobile entry through Proxess security systemsUse smartphone as access keyIntegrates with locksets and readers

K4us Spanish Keyboard

K4us Spanish Keyboard

K4us Spanish Keyboard

with Arrow Keys

This keyboard app offers a streamlined way to type Spanish characters, including vowels, consonants, and special symbols like ¿ and ¡. It features word prediction and arrow keys for enhanced navigation on iOS devices.

Easy input of Spanish charactersWord predictionArrow keys for navigation

Lost & Car Key Duplicates

Auto-Key | Music key detection

Auto-Key | Music key detection

Auto-Key | Music key detection

Music key and scale detection

Instantly identify the musical key and scale of any audio source, from studio tracks to live instruments and vocals. Seamlessly sync detected keys with your computer's Digital Audio Workstation (DAW) for enhanced music production.

Real-time key detectionDiatonic key identificationAudio capture from speakers, instruments, or voice

World's Biggest Key Market

This app serves as a comprehensive marketplace for locksmith supplies, specializing in car remote keys, transponder chips, and pincodes. It provides trade access for verified locksmiths and offers valuable programming information.

Car remote keysTransponder chipsPincodes

FAQ about Key4

What are the best key4 apps for iPhone?

Easy Keys 4 Cars tops our key4 apps ranking as of October 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.

Are there free key4 apps for iPhone?

Yes — 18 of the top key4 apps we rank are free to download, including Easy Keys 4 Cars and Techno Lock Keys.

Does Easy Keys 4 Cars have ads or in-app purchases?

Easy Keys 4 Cars shows ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many key4 apps are on the App Store?

We track 248+ key4 apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches

key4friends ubs & ubs key4 key4events key4events mc key4life