1. Home
  2. Topics
  3. Locked Notes App

Best Locked Notes App

200+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

If you already know Locked Notes°, this is the deeper bench. 200+ locked notes app apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Locked Notes App

Locked Notes°#1

Locked Notes° by Adam Cziko

Editor's Choice
🔧 Utilities
4.8😊(285 ratings)
Free
Locked Notes° screenshot 1
Locked Notes° screenshot 2
Locked Notes° screenshot 3

Securely store your private thoughts and ideas with this app. It offers robust organization and advanced editing tools, all protected by biometric authentication for ultimate privacy. Your notes are automatically hidden and locked when the app is in the background.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Secure with face recognition
  • 📁 Good folder organization
  • ✍️ Customizable text formatting

Room to Improve

  • 🐛 Occasional crashes or data loss
  • 📋 Limited copy/paste functionality
  • 🔍 Lack of search option within notes
Secure Notepad#2

Secure Notepad by Dmytro Vynokurov

Private Notes with Password
Strong Contender
📊 Productivity
4.7😊(13K ratings)
FreeIn-App Purchases
Secure Notepad screenshot 1
Secure Notepad screenshot 2
Secure Notepad screenshot 3
Secure Notepad screenshot 4

Securely store personal notes, contacts, and passwords with password protection. Features a simple interface, biometric unlock options, and password recovery. Keep your sensitive information private and organized.

What We Love

  • 🔒 Password protection
  • 🔒 Security question for password recovery
  • 👍 Simple and easy to use
  • 🚀 Straightforward note-taking

Room to Improve

  • 💰 Paid version required for more than 3 notes
  • 🐛 Notes disappearing or not syncing across devices
  • 🐛 Password/security question issues
Lock Notes - Passcode Protect#3

Lock Notes - Passcode Protect by JulyApps Ltd

Protect your notes w/ password
Worth Considering
📊 Productivity
4.5😐(1.1K ratings)
FreeIn-App Purchases
Lock Notes - Passcode Protect screenshot 1
Lock Notes - Passcode Protect screenshot 2
Lock Notes - Passcode Protect screenshot 3
Lock Notes - Passcode Protect screenshot 4
Lock Notes - Passcode Protect screenshot 5

Securely store and protect your private notes with a passcode or Touch ID. Keep sensitive information like passwords, secrets, and diary entries safe from unauthorized access. Backup and sync notes across devices, customize their appearance, and even add images.

What We Love

  • 🔒 Secure notes
  • 👍 Easy to use
  • 🚀 Convenient
  • 🔑 Passcode/biometric protection

Room to Improve

  • 🔒 Limited free notes
  • 💰 Paywall for advanced features
  • 🐛 Crashes and data loss issues

More Locked Notes App apps to explore

4
Diary With Password
Diary With Password
Diary With Password
No Ads Journal Diary Notebook
Free

This app provides a private digital space to record daily thoughts, emotions, and life events. It offers robust security features like password and biometric locks, alongside tools for organizing, searching, and exporting your entries. Enjoy a customizable and ad-free journaling experience.

Password and biometric securityDaily entry loggingFull text search
📊 Productivity
(26K)
free with in-app purchases
5
Notebook - Diary & Journal App
Notebook - Diary & Journal App
Notebook - Diary & Journal App
A diary that flips like a book
Free

This app offers a natural journaling experience by organizing daily notes on a single page, allowing you to flip through your entries like a physical book. It prioritizes simplicity, security with passcode locks, and seamless iCloud synchronization for easy access across devices.

Realistic page-turning effectOne page per day organizationiCloud sync and backup
📊 Productivity
(14K)
free with in-app purchases
6
Secure Notes - Secret & Lock
Secure Notes - Secret & Lock
Secure Notes - Secret & Lock
Private Notes with password
Free

Safeguard your private thoughts, voice memos, and sensitive information with robust, multi-layered security. This app offers military-grade encryption, biometric locks, and secure voice recording to keep your data protected. Enjoy a distraction-free, ad-free experience with a powerful rich text editor and seamless iCloud syncing across devices.

3-Layer Security (app, folders, notes)Secure Voice RecordingBiometric Lock (Face ID, Touch ID, Passcode)
📊 Productivity
(721)
free with in-app purchases
7
Standard Notes
Standard Notes
Standard Notes
End-to-end encrypted notes
Free

Securely capture and sync your thoughts across all devices with end-to-end encryption. This app offers a simple, lasting place for all your notes, from personal thoughts to sensitive information, with robust privacy features.

End-to-end encryptionCross-device syncingOffline access
📊 Productivity
(3.6K)
free with in-app purchases
8
Lock Your Notes
Lock Your Notes
Lock Your Notes
Private Notes
Free

Securely store your private and secret notes with multiple locking options. Organize your thoughts with unlimited notes, customizable fonts, and emoji support. Keep your sensitive information safe from unauthorized access.

Unlimited note creationThree lock types (password, PIN, dot-lock)Customizable fonts
🔧 Utilities
(708)
free with in-app purchases
9
n+otes
n+otes
n+otes
Quick, easy note, private lock
Free

Capture thoughts and ideas instantly with a simple interface. Secure your notes with a private lock feature. Optional subscription removes ads and supports development.

Quick note-takingPrivate note lockAd-free experience (subscription)
📊 Productivity
(44K)
free with in-app purchases
10
Secure Notepad Pro
Secure Notepad Pro
Secure Notepad Pro
Notes with password protection
Free

Securely store your personal notes with password or biometric protection. This ad-free app offers a fast, simple interface with extensive customization options and automatic cloud synchronization for access across all your devices.

Password and Face ID protectionAd-free experience20+ customizable color themes
📊 Productivity
(2.6K)
free with in-app purchases
11
Note Lock~Lock your Tales Safe
Note Lock~Lock your Tales Safe
Note Lock~Lock your Tales Safe
Keep privacy secret diary data
Free

Securely store and manage private notes, journals, and sensitive information with advanced security features. Protect your data with passcodes, patterns, and even a decoy mode. Organize your thoughts with a calendar view, stickers, and customizable themes.

Decoy passcode protectionSurveillance and anti-intruder systemCalendar and hybrid view
🔧 Utilities
(2.8K)
free with in-app purchases
12
Notebook – Notes, To-Do, Memo
Notebook – Notes, To-Do, Memo
Notebook – Notes, To-Do, Memo
AI, Notepad, Planner
Free

Capture your thoughts, ideas, and tasks with a versatile digital notebook. Create rich notes with text, files, audio, and video. Organize content visually, collaborate in real-time, and access everything across your devices.

Rich note creation with text, files, audio, and videoChecklist creation for task managementBookmark collection and offline reading
📊 Productivity
(2.1K)
free with in-app purchases
13
My Diary - Journal with Lock
My Diary - Journal with Lock
My Diary - Journal with Lock
Journaling Diary with password
Free

This app offers a secure and personalized digital journal for recording daily thoughts, memories, and emotions. Enhance entries with photos, themes, and mood tracking. It's designed to support mental well-being by providing a private space for self-reflection and emotional processing.

Password-protected diaryAdd photos and drawingsCustomizable themes and backgrounds
🌟 Lifestyle
(28K)
free with in-app purchases
14
Simplenote
Simplenote
Simplenote
Simple notes, todos and memos
Free

Capture ideas, create to-do lists, and jot down thoughts effortlessly. Organize your notes with tags and pins, and find them instantly with search. Your content syncs across all devices for free, ensuring it's always accessible.

Simple note-taking experienceCross-device syncingCollaboration and sharing
📊 Productivity
(4.3K)
free
15
Notepad: Easy Notes & Memos
Notepad: Easy Notes & Memos
Notepad: Easy Notes & Memos
Simple Notebook & Writing Pad
Free

Capture thoughts, create to-do lists, and organize ideas with a versatile digital notebook. Supports handwriting, text notes, and secure cloud syncing. Personalize your experience with custom themes and icons.

Create to-do lists with checkboxesUnlimited text notesHandwritten notes with Apple Pencil
📊 Productivity
(27K)
free with in-app purchases
16
Simple Notepad -BestNote-
Simple Notepad -BestNote-
Simple Notepad -BestNote-
Notes with password and photos
Free

This app offers a unique note-taking experience with a three-tab system for memos, remarks, and history. Attach photos to your notes and secure them with a password. Organize your thoughts with folder division for efficient management.

Three-tab note structure (Memo, Remarks, History)Attach images to notesPassword security lock
📊 Productivity
(2.8K)
free with in-app purchases
17
Microsoft OneNote
Microsoft OneNote
Microsoft OneNote
Capture Notes, Ideas and Memos
Free

Capture thoughts, ideas, and plans in a digital notepad. Organize, search, and secure your notes, memos, and sketches. Sync across devices for access anywhere, anytime. Collaborate with others on shared notepads.

Capture thoughts and ideasDigital sketchbookOrganize and search notes
📊 Productivity
(1M)
free with in-app purchases
18
EasyNotes - Sticky Notes App
EasyNotes - Sticky Notes App
EasyNotes - Sticky Notes App
Sticky Notes, Color Note Pad
Free

Capture your thoughts and ideas with a versatile note-taking app. Create rich text notes, add photos, sketch, record audio, and organize with colorful backgrounds and widgets. Secure your notes with multiple lock options and sync across devices.

Rich text notes with formattingCustomizable note backgroundsStylish sticky note widgets
📊 Productivity
(3.5K)
free with in-app purchases
19
Notesnook: Private note taking
Notesnook: Private note taking
Notesnook: Private note taking
Locked notes, To-do list, Memo
Free

This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.

Military-grade encryptionCross-platform synchronizationTo-do lists and task management
📊 Productivity
(603)
free with in-app purchases
20
Safety Note+
Safety Note+
Safety Note+
Protect Your Daily Notes
Free

Secure your private notes with advanced protection. This app offers passcode, biometric, and decoy password options to prevent unauthorized access. Organize, back up, and share your sensitive information with peace of mind.

Advanced security systemPasscode protectionBiometric support (TouchID/FaceID)
📊 Productivity
(651)
paid