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Best Smart Keys Apps

248+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated July 2026

With an average user rating of 4.0β˜…, the smart keys category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Smart Keys Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Smart Keys: AI Writing ToolsSmart Keys: AI Writing ToolsFree4.6β˜… (508)YesYesAug 2026
2SMART KeysSMART KeysFreeβ€”NoNoMay 2026
3VIZpin SmartVIZpin SmartFree2.9β˜… (53)NoNoAug 2026
4INFINIT SMART KEYINFINIT SMART KEYFreeβ€”NoNoMay 2026
5KwiksetKwiksetFree4.8β˜… (48K)NoNoAug 2026
6KevoKevoFree4.6β˜… (27K)NoNoAug 2026
7FT Smart KeyFT Smart KeyFreeβ€”NoNoMay 2026
8August HomeAugust HomeFree4.8β˜… (174K)YesNoAug 2026

Top Picks for Smart Keys

Smart Keys: AI Writing Tools#1

Smart Keys: AI Writing Tools by Fireflow Creative Collective LLC

Proofread, Translate & Grammar
Editor's Choice
πŸ”§ Utilities
4.6😐(508 ratings)
FreeAdsIn-App Purchases
Smart Keys: AI Writing Tools screenshot 1
Smart Keys: AI Writing Tools screenshot 2
Smart Keys: AI Writing Tools screenshot 3
Smart Keys: AI Writing Tools screenshot 4
Smart Keys: AI Writing Tools screenshot 5
Smart Keys: AI Writing Tools screenshot 6

This AI-powered keyboard enhances your writing by offering instant translation, grammar correction, and smart reply suggestions. It also features text generation from images, custom AI key creation, and text-to-speech capabilities, making communication effortless across languages and platforms.

What We Love

  • πŸš€ Fast and efficient grammar correction
  • ✍️ Excellent proofreading capabilities
  • 🎯 Intelligent shortcuts save time
  • 🌍 Multi-language translation support

Room to Improve

  • πŸ’° Expensive pricing model
  • πŸ” Requests excessive permissions (credit card, address data)
  • ⏳ Severe daily usage limits on free version
VIZpin Smart#3

VIZpin Smart by VIZPIN INC

Your Phone is Your Key
Worth Considering
πŸ’Ό Business
2.9(53 ratings)
Free
VIZpin Smart screenshot 1
VIZpin Smart screenshot 2
VIZpin Smart screenshot 3
VIZpin Smart screenshot 4
VIZpin Smart screenshot 5

Transform your smartphone into a digital key to unlock doors and gates. Send and receive smartkeys remotely, and generate temporary visitor codes. Enjoy enhanced security with multiple encryption layers and convenient access through customizable widgets and notifications.

More Smart Keys apps to explore

4
INFINIT SMART KEY
INFINIT SMART KEY
INFINIT SMART KEY
by Hatem Alsehimi
Free
πŸ”§ Utilities
(0)
5
Kwikset
Kwikset
Kwikset
Kwikset Smart Lock App
Free

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
🌟 Lifestyle
(48K)
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
FT Smart Key
FT Smart Key
FT Smart Key
by Haudi, Inc.
Free
🌟 Lifestyle
(0)
8
August Home
August Home
August Home
by August Home, Inc.
Free

Control your front door from anywhere with this app. Grant access to guests remotely, receive activity alerts, and automate locking and unlocking. Integrates with smart home systems and voice assistants.

Remote lock and unlockGuest key managementActivity feed
πŸ”§ Utilities
(174K)
free with in-app purchases
9
DOOR: Smart Access & Control
DOOR: Smart Access & Control
DOOR: Smart Access & Control
Simple access. Smarter living.
Free

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
🌟 Lifestyle
(35K)
free
10
Smart MasterKey
Smart MasterKey
Smart MasterKey
Gold Standard for Key Solution
Free
πŸ”§ Utilities
(0)
11
Google Smart Lock
Google Smart Lock
Google Smart Lock
by Google
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
πŸ”§ Utilities
(614)
free with in-app purchases
12
Virtual Key - Smart-lock
Virtual Key - Smart-lock
Virtual Key - Smart-lock
Smart-lock for car sharing
Free
πŸ”§ Utilities
(0)
13
SmartKey - Manager
SmartKey - Manager
SmartKey - Manager
Management & Access locks
Free
πŸ”§ Utilities
(0)
14
Smart Access
Smart Access
Smart Access
Smart keyless access
Free

Manage security and access control with keyless digital entry. Share temporary access, monitor activity with real-time notifications, and access logs. Enjoy offline operation for continuous control.

Keyless digital accessTime-limited, shareable keysNotifications, history, and reports
πŸ“Š Productivity
(0)
free
15
Smart Car Key
Smart Car Key
Smart Car Key
by smart car key pty ltd
Free

Transform your smartphone into a digital car key. Control your vehicle's locks, ignition, and trunk remotely. Share access with others and track your last parked location for ultimate convenience and security.

Smartphone as car keyRemote lock/unlockRemote start/stop engine
πŸ’Ό Business
(7)
free
16
SmartKey APPka
SmartKey APPka
SmartKey APPka
by SmartKey s.r.o.
Free
🌟 Lifestyle
(0)
17
Smart Access - TKC
Smart Access - TKC
Smart Access - TKC
by The Keyholding Company Limited
Free
πŸ”§ Utilities
(0)
18
LV Smart Lock System
LV Smart Lock System
LV Smart Lock System
LV BLE Key
Free
πŸ”§ Utilities
(0)
19
Latch App
Latch App
Latch App
Unlock everywhere.
Free

This app provides keyless entry for modern buildings, allowing users to unlock doors via a Doorcode or the app. It enables instant access for guests and services, and logs all entry activity.

Keyless building accessUnlock with Doorcode or appGrant temporary access
🌟 Lifestyle
(155K)
free
20
DIY SMART KEY
DIY SMART KEY
DIY SMART KEY
by 师松 撁
Free

Transform your traditional remote control systems into smartphone-controlled ones. This app allows you to manage car alarms, motorcycle alarms, home security, and door automation systems directly from your phone via a Bluetooth module.

Smartphone control for alarms and door automationSupports automotive, motorcycle, and home systemsAutomatic locking/unlocking based on proximity
πŸ”§ Utilities
(0)
free

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FAQ about Smart Keys

What are the best smart keys apps for iPhone?
Smart Keys: AI Writing Tools tops our smart keys apps ranking as of July 2026, with a 4.6-star average from 508 App Store ratings, and it's free to download.
Yes β€” 20 of the top smart keys apps we rank are free to download, including Smart Keys: AI Writing Tools and SMART Keys.
Smart Keys: AI Writing Tools shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 248+ smart keys apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Smart Keys is an AI-powered keyboard that simplifies writing by offering features like instant translation, grammar and style polishing, smart reply suggestions, and text generation from images. It aims to make communication fluent and effortless across different languages and platforms.
Key features include on-the-fly translation of messages and screenshots, context-aware smart reply suggestions, text generation from images, the ability to create custom generative AI keys, real-time proofreading, tone customization, and text-to-speech functionality.