Best Zennio Key Apps

201+ iOS apps curated and reviewed

4.2 avg rating

20 free apps

Updated June 2026

If you already know Zennio Key, this is the deeper bench. 201+ zennio key apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Zennio Key

#1

Zennio Key by ZENNIO AVANCE Y TECNOLOGIA, S.L.

Editor's Choice

🌟 Lifestyle

0.0(0 ratings)

Free

Zennio Key screenshot 1

Zennio Key screenshot 2

Zennio Key screenshot 3

Zennio Key screenshot 4

#2

Microsoft SwiftKey AI Keyboard by TouchType Ltd

Copilot | GPT-4 | DALL·E 3

Strong Contender

🔧 Utilities

4.6😐(121K ratings)

FreeIn-App Purchases

Microsoft SwiftKey AI Keyboard screenshot 1

Microsoft SwiftKey AI Keyboard screenshot 2

Microsoft SwiftKey AI Keyboard screenshot 3

Microsoft SwiftKey AI Keyboard screenshot 4

Microsoft SwiftKey AI Keyboard screenshot 5

Microsoft SwiftKey AI Keyboard screenshot 6

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.

What We Love

🚀 Smooth swiping and typing experience
👍 Customizable keyboard themes
💡 Supports multiple languages
🚀 Accurate word predictions

Room to Improve

🐛 Keyboard glitches and crashes
🐛 Inconsistent autocorrect and word replacement
🐛 Keyboard disappearing or reverting to default

#3

Car Sync Play: Car Key Play by TECHISTIC LTD

Car's Play Remote Car Connect

Worth Considering

🔧 Utilities

4.5😞(2.9K ratings)

FreeIn-App Purchases

Car Sync Play: Car Key Play screenshot 1

Car Sync Play: Car Key Play screenshot 2

Car Sync Play: Car Key Play screenshot 3

Car Sync Play: Car Key Play screenshot 4

Control your vehicle remotely, monitor its status, and locate it easily. Check tire pressure, fuel, battery, and lock/unlock doors from your iPhone, iPad, or Apple Watch. Share car access digitally and find nearby essential services.

What We Love

👍 Convenient car management
🚀 Seamless integration with CarPlay
🔒 Provides peace of mind
💡 Ability to manage multiple cars

Room to Improve

🐛 Compatibility issues with certain car models
💰 Upfront payment required before testing compatibility
🚫 Lack of customer support/refund options

More Zennio Key apps to explore

Your Phone Is Now Your Key

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

CarKey Digital Car Key Connect

CarKey Digital Car Key Connect

Remote Car Starter - Key Fob

This app allows users to remotely manage their vehicles, including starting the engine, checking tire pressure, and locating their car. It also offers features for fleet tracking and EV charging management, enabling seamless car linking for customers.

Remote car starterLocate vehicle & get directionsLive status tire pressure updates

📊 Productivity

Google Smart Lock

Google Smart Lock

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

free with in-app purchases

by PIN GENIE LIMITED

Manage your older Lockly smart locks and safes. Remotely control access, generate temporary codes, and monitor activity logs. Integrates with voice assistants for convenient, hands-free operation.

Remote lock/unlockOffline Access Codes™Activity log viewing

free with in-app purchases

Microsoft Authenticator

Microsoft Authenticator

Protects your online identity

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

Multi-factor authentication (MFA)Passwordless sign-inPassword autofill

📊 Productivity

by Agilysys NV, LLC

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

by Digital Monitoring Products, Inc.

Control your home or business security system remotely. Arm/disarm, manage lights, locks, thermostats, and view live camera feeds. Automate actions and receive important notifications.

Arm and disarm security systemControl smart home devicesView live and recorded camera footage

by Chargekey, LLC

This platform allows you to unlock, lock, and start your vehicle remotely. It offers hands-free unlocking upon approach and navigation to your vehicle's location. The app prioritizes user privacy by not storing personal information and receiving data directly from the vehicle.

Hands-free vehicle unlockingRemote locking and startingVehicle location navigation

by Hangzhou Sciener Co., Ltd

Unlock your doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any inquiries.

Unlock doors via BluetoothRequires compatible hardwareIn-app support contact

AppLock - photo lock

AppLock - photo lock

Protect your privacy

Securely hide your private photos and videos with a password, fingerprint, or face ID. This app offers a private browser with automatic history deletion, ensuring your sensitive media remains inaccessible to others.

Hide photosHide videosPassword lock

Liftoff - Ranked Gym Workouts

Liftoff - Ranked Gym Workouts

Strength Training Planner

This app helps you track your gym performance with over 400 exercises. Log workouts, visualize progress with detailed charts, and compete with friends on global leaderboards. Earn rewards and customize your routines for a motivating fitness journey.

Ranked gym performance trackingLog over 400 exercisesProgress visualization and insights

💪 Health & Fitness

free with in-app purchases

App Lock - Lock Apps .

App Lock - Lock Apps .

App Locker For iPhone

Manage screen time and enhance privacy with customizable modes for work, personal use, and parental control. Set app restrictions, use geofencing, and secure apps with passwords or biometrics. Features include intruder alerts and app disguise for added security.

Parental Control (Teen Mode)Multiple Modes (Work, Personal, Beast)App Restrictions & Time Limits

free with in-app purchases

by Smartrent.com, LLC

Control your home remotely with this app. Manage door locks, thermostats, and create custom schedules for energy savings. Grant temporary access codes and automate routines for ultimate convenience.

Remote lock/unlock and thermostat controlCustom thermostat schedulesTime-bound access codes

Kwikset Smart Lock App

Control and monitor your smart locks remotely, manage guest access with custom codes, and receive instant security alerts. Integrate with popular smart home ecosystems for enhanced automation and peace of mind.

Remote lock monitoring and controlGuest access code managementInstant activity and security alerts

DOOR: Smart Access & Control

DOOR: Smart Access & Control

Simple access. Smarter living.

Manage keyless entry, control smart home devices, and book on-demand services from a single, intuitive application. Designed for residents of modern buildings, it simplifies everyday tasks like unlocking doors, adjusting your environment, and accessing home services.

Keyless door unlockingSecure access sharingRemote smart home control

AutoCode - VIN to Key Code

AutoCode - VIN to Key Code

by AutoCode Inc.

This app automates the generation of key codes from vehicle identification numbers (VINs). It provides locksmiths and auto businesses with 24/7 access to powerful tools for VIN scanning, verification, and conversion to key bitting, eliminating the need for phone calls and wait times.

Automated VIN to Key Code GenerationVIN Scanner, Verification & CorrectionVIN to Year, Make, and Model

Authenticator App - OneAuth

Authenticator App - OneAuth

Secure your online accounts

Secure your online accounts with industry-standard two-factor authentication. Easily add accounts, generate time-based OTPs, and benefit from encrypted backups. Organize and manage your TFA with features like folders, brand logos, and search.

Add accounts via QR code or manual entryTime-based OTPs (offline access)Encrypted backup and secure recovery