Best Lockster Apps

244+ iOS apps curated and reviewed

4.5 avg rating

20 free apps

Updated September 2026

locksmith widget is the household name in lockster, but it's far from the only option. We track 244+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Lockster Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	locksmith widget - by sendit	Free	4.8★ (58K)	No	Yes	Sep 2026
2	LockScreenNotes	Free	4.8★ (1.6K)	No	No	Sep 2026
3	Zipper Lock Screen Themes	Free	4.4★ (23)	Yes	Yes	Sep 2026
4	Wallpapers 17 - Lock Screen	Free	4.7★ (242)	Yes	Yes	Sep 2026
5	Lock Screen Water And Bubbles Special Wallpaper Collection	Free	3.7★ (13)	No	Yes	May 2026
6	Lockd Lock Screen Wallpapers	Free	4.7★ (4K)	Yes	Yes	Sep 2026
7	UHS Hardware	Free	3.4★ (12)	Yes	No	Sep 2026
8	WhatsApp Messenger	Free	4.7★ (19M)	Yes	Yes	Sep 2026

Top Picks for Lockster

#1

locksmith widget - by sendit by iconic hearts holdings, inc.

little lock screen notes

Editor's Choice

🌐 Social Networking

4.8😞(58K ratings)

FreeIn-App Purchases

locksmith widget - by sendit screenshot 1

locksmith widget - by sendit screenshot 2

locksmith widget - by sendit screenshot 3

locksmith widget - by sendit screenshot 4

Easily place small notes and messages directly on your friends' lock screens. Connect with your closest friends and share quick thoughts or reminders visually.

What We Love

💕 Cute and fun to use
🔒 Secure communication
🤝 Good for long-distance relationships

Room to Improve

🐛 App doesn't work properly
🔍 Difficult to add friends/partners
🔒 Requires too many permissions

#2

LockScreenNotes by Takumi Banjoya

Big notes always on lockscreen

Strong Contender

📊 Productivity

4.8(1.6K ratings)

Free

LockScreenNotes screenshot 1

LockScreenNotes screenshot 2

LockScreenNotes screenshot 3

LockScreenNotes screenshot 4

LockScreenNotes screenshot 5

LockScreenNotes screenshot 6

This app displays your notes directly on your device's lock screen, ensuring you never forget important information. It offers extensive customization options for note appearance and allows for interactive to-do list management without opening the application.

#3

Zipper Lock Screen Themes by Dinh Kim Ngan

Aesthetic Lock & Custom Themes

Worth Considering

🎬 Entertainment

4.4(23 ratings)

FreeAdsIn-App Purchases

Zipper Lock Screen Themes screenshot 1

Zipper Lock Screen Themes screenshot 2

Zipper Lock Screen Themes screenshot 3

Zipper Lock Screen Themes screenshot 4

Personalize your phone's lock screen with interactive zipper animations and high-quality wallpapers. Customize zipper styles, sounds, and backgrounds for a unique unlocking experience.

More Lockster apps to explore

Wallpapers 17 - Lock Screen

Wallpapers 17 - Lock Screen

Wallpapers 17 - Lock Screen

Wall 17 - 4K Wallpapers

Refresh your iPhone's appearance daily with a vast collection of high-quality HD and 4K backgrounds. Easily customize your Home and Lock Screens with themes designed for iOS 17, matching your mood and style. Discover new designs with daily updates and apply them with a single tap.

HD and 4K wallpaper libraryiOS 17 Lock Screen setsCategorized themes

🎨 Graphics & Design

free with in-app purchases

Lock Screen Water And Bubbles Special Wallpaper Collection

Lock Screen Water And Bubbles Special Wallpaper Collection

Lock Screen Water And Bubbles Special Wallpaper Collection

Personalize your iPhone's Lock Screen with a unique collection of wallpapers featuring water, nature, drops, and bubbles. The app provides pre-designed wallpapers with time and slider overlays to enhance your device's appearance.

Unique Lock Screen designsWater and bubble themesTime and slider overlays

free with in-app purchases

Lockd Lock Screen Wallpapers

Lockd Lock Screen Wallpapers

Lockd Lock Screen Wallpapers

Cool Dope Fancy 4K Backgrounds

Enhance your device's lock screen with unique wallpapers that utilize a depth effect, layering subjects behind the clock. Browse a vast library of 4K backgrounds and customize your lock screen with ease.

Depth effect lock screen wallpapersLayered look with clock behind subject4K resolution backgrounds

🎨 Graphics & Design

free with in-app purchases

by AUTOMOTIVE KEYS GROUP, LLC

This app serves as a wholesale supplier for locksmith professionals, offering a catalog of security hardware. It provides convenient access to a wide range of lock and key supplies for businesses in the locksmith industry.

Wholesale locksmith suppliesAccess to security hardwareCatalog of lock and key products

🛍️ Shopping

WhatsApp Messenger

WhatsApp Messenger

WhatsApp Messenger

Simple. Reliable. Private.

Connect with friends and family globally through private messaging and high-quality calls. Share moments, documents, and stay in touch across devices, even on slow connections. Your conversations are secured with end-to-end encryption.

End-to-end encrypted messagingHigh-quality voice and video callsGroup chats and calls

🌐 Social Networking

free with in-app purchases

LockNote: Note on Lock Screen

LockNote: Note on Lock Screen

LockNote: Note on Lock Screen

Sticky Notes & Reminder

Keep essential notes, tasks, and reminders visible on your iPhone's Lock Screen. Transform your notes into stylish wallpapers for constant visibility without opening an app. Ideal for quick memos, to-do lists, and motivational quotes.

Notes on Lock Screen wallpaperFast note editor with formattingMultiple Lock Screen styles

📊 Productivity

Noti - Lock Screen Notes

Noti - Lock Screen Notes

Noti - Lock Screen Notes

Notes for those hating hassle

📊 Productivity

LockWidget - LockScreen Themes

LockWidget - LockScreen Themes

LockWidget - LockScreen Themes

Lock Screen Wallpapers Widgets

Personalize your device's lock screen with a wide variety of customizable widgets and HD wallpapers. Add dynamic elements like weather, photos, health trackers, and even interactive pixel pets. Create unique themes and launch apps directly from your lock screen.

Customizable lock screen widgetsWeather and health tracking widgetsInteractive pixel pet widgets

🎨 Graphics & Design

Lock Screen Widgets Live

Lock Screen Widgets Live

Lock Screen Widgets Live

Widgets, App Dock & Launcher

Enhance your lock screen with customizable widgets. Track steps with a pedometer, view your calendar at a glance, and launch your favorite apps directly from your lock screen. Personalize your device for quick access to essential information and tools.

Pedometer with steps, objective, and distanceMini calendar with today highlightedDirect app launching from lock screen

free with in-app purchases

LockScreen Calendar Maker

LockScreen Calendar Maker

LockScreen Calendar Maker

Schedule Planner Wallpaper

Transform your iPhone Lock Screen into a functional calendar. Overlay custom monthly or yearly schedules on your favorite photos, view dates at a glance, and manage events with reminders. Offers total customization for a personalized and efficient planning experience.

Custom Lock Screen calendar wallpapersSyncs with Google CalendarIn-app calendar and event management

📊 Productivity

free with in-app purchases

Lock Screen 26 - Top Widgets

Lock Screen 26 - Top Widgets

Lock Screen 26 - Top Widgets

Custom Widgets & Wallpapers

Personalize your device's lock screen with custom text, emojis, app shortcuts, and contact links. Access your favorite websites and apps directly from your lock screen. Choose from a variety of icon packs and wallpapers to create a unique look.

Custom text and emojiWebsite and app shortcutsContact shortcuts

📊 Productivity

free with in-app purchases

LockNotes: Note on Lock Screen

LockNotes: Note on Lock Screen

LockNotes: Note on Lock Screen

Lock Screen Notes Widgets

Pin notes, to-dos, reminders, and quotes directly to your iPhone Lock Screen. Access important information at a glance without unlocking your device. Customize your notes with different fonts and styles.

Notes on Lock ScreenQuick Note TakingCustomizable Fonts & Styles

App Lock · Block Apps & Focus

App Lock · Block Apps & Focus

App Lock · Block Apps & Focus

Screen Time, Parental Control

This app helps you regain focus by blocking distracting applications like social media and games. It also offers parental controls to manage children's screen time, ensuring a more productive and balanced digital life.

Block distracting appsFocus modeParental controls

📊 Productivity

Lock Screen Widgets & Icons

Lock Screen Widgets & Icons

Lock Screen Widgets & Icons

Wallpapers, Phone Theme 16

Personalize your iPhone's main and lock screens with custom themes, icons, and widgets. Add depth effect wallpapers for a unique visual experience. Tailor your device's look to your personal style with endless customization options.

Personalize main screenCustomize lock screenWide selection of themes

🎨 Graphics & Design

free with in-app purchases

Live Wallpapers 27 Lock Screen

Live Wallpapers 27 Lock Screen

Live Wallpapers 27 Lock Screen

DIY island & Notch Backgrounds

Personalize your lock screen with unique, ultra-high resolution wallpapers. Create custom patterns with emojis and stickers, design notch-friendly backgrounds, and add depth effects to scenic images. Enjoy animated live wallpapers to make your device stand out.

Custom pattern wallpapersNotch wallpapersDepth effect wallpapers

🎨 Graphics & Design

AnyWidget: Lock Screen Widgets

AnyWidget: Lock Screen Widgets

AnyWidget: Lock Screen Widgets

Themes,Shortcuts,Launcher App

Personalize your iPhone's Lock Screen with custom widgets. Add app launchers, shortcuts, date counters, text, icons, and photos to display information at a glance. Choose from various widget sizes and styles to beautify your device.

App Launcher widgetsCustom shortcutsDate progress tracker

📊 Productivity

free with in-app purchases

Lock Screen Love Bloom HD Free

Lock Screen Love Bloom HD Free

Lock Screen Love Bloom HD Free

This app offers a collection of romantic and Valentine's Day-themed wallpapers designed for your iPhone's lock screen. It provides pre-designed visuals with time and slider overlays to enhance your device's appearance.

Romantic and Valentine's Day themesLock screen wallpaper collectionTime and slider overlays

free with in-app purchases

FAQ about Lockster

What are the best lockster apps for iPhone?

locksmith widget - by sendit tops our lockster apps ranking as of September 2026, with a 4.8-star average from 58K App Store ratings, and it's free to download.

Are there free lockster apps for iPhone?

Yes — 20 of the top lockster apps we rank are free to download, including locksmith widget - by sendit and LockScreenNotes.

Does locksmith widget - by sendit have ads or in-app purchases?

locksmith widget - by sendit has no ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many lockster apps are on the App Store?

We track 244+ lockster apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What does this app do?

This app allows you to place small notes and messages directly on your friends' lock screens. It's designed for quick, visual communication with your closest contacts.

How do I use it to send notes?

First, you'll need to add the app's widget to your lock screen. Then, you can link with your best friends within the app. Once connected, you can write messages that will appear on their lock screens.