Best Secure Journaling App

31+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated June 2026

Memos is the household name in secure journaling app, but it's far from the only option. We track 31+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Secure Journaling App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Memos - Digital Journal DiaryMemos - Digital Journal DiaryFree4.6★ (6.5K)NoYesJul 2026
2Notebook - Diary & Journal AppNotebook - Diary & Journal AppFree4.7★ (14K)YesYesJul 2026
3PenzuPenzuFree4.2★ (2.5K)NoYesJul 2026
4Personal Diary (Journal) AppPersonal Diary (Journal) AppFree4.4★ (104)NoYesJul 2026
5My Private Diary For GirlsMy Private Diary For GirlsFree3.9★ (679)NoYesJul 2026
6Ink: Daily Journal PromptsInk: Daily Journal PromptsFree4.9★ (9)NoYesJul 2026
7Scrubl: Hacker ProtectionScrubl: Hacker ProtectionFree4.6★ (9)YesYesJul 2026
8Truly Private JournalingTruly Private JournalingFree5.0★ (7)NoYesMay 2026

Top Picks for Secure Journaling App

Memos - Digital Journal Diary#1

Memos - Digital Journal Diary by Protection & Security App LLC

Private Journal - Photo,Video
Editor's Choice
💪 Health & Fitness
4.6😊(6.5K ratings)
FreeIn-App Purchases
Memos - Digital Journal Diary screenshot 1
Memos - Digital Journal Diary screenshot 2
Memos - Digital Journal Diary screenshot 3
Memos - Digital Journal Diary screenshot 4

Document your life, track goals, and monitor your mood with this versatile journaling app. Enhance well-being, creativity, and productivity through daily reflection. Secure your entries with password protection and sync across devices.

What We Love

  • 🚀 Easy to use
  • 👍 Customizable features
  • 🔒 Password protection
  • 📝 Helps with journaling and self-expression

Room to Improve

  • 🐛 Backup and sync issues
  • 🔍 Lack of spell check and autocorrect
  • 🔒 Concerns about privacy and security
Notebook - Diary & Journal App#2

Notebook - Diary & Journal App by Koji Ito

A diary that flips like a book
Strong Contender
📊 Productivity
4.7😊(14K ratings)
FreeAdsIn-App Purchases
Notebook - Diary & Journal App screenshot 1
Notebook - Diary & Journal App screenshot 2
Notebook - Diary & Journal App screenshot 3
Notebook - Diary & Journal App screenshot 4
Notebook - Diary & Journal App screenshot 5

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.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Password protection
  • 💡 Convenient for journaling and note-taking
  • 🚀 Smooth and responsive

Room to Improve

  • 🐛 Occasional crashes or glitches
  • 🚫 Unable to insert photos or attachments
  • 🚫 Limited formatting options
Penzu#3

Penzu by Penzu Inc.

Secure Diary & Private Journal
Worth Considering
📊 Productivity
4.2😐(2.5K ratings)
FreeIn-App Purchases
Penzu screenshot 1
Penzu screenshot 2
Penzu screenshot 3
Penzu screenshot 4

This app provides a secure and private space for journaling, note-taking, and storing personal thoughts. It offers robust security features like password and PIN locks, encryption, and cloud syncing across devices. Users can also add photos and tags to their entries, making it a comprehensive digital diary.

What We Love

  • 🚀 Easy to use
  • 🔒 Secure and private
  • 📝 Convenient journaling on the go
  • 🗓️ Helpful reminders and date tracking

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔑 Password issues and lockout problems
  • 📁 Syncing and data loss issues

More Secure Journaling App apps to explore

4
Personal Diary (Journal) App
Personal Diary (Journal) App
Personal Diary (Journal) App
No Ads, Simple & Easy to Use
Free

This app provides a simple and secure digital space for journaling. It offers passcode and biometric protection, iCloud sync across devices, and the ability to add photos, moods, and weather to your entries. It's designed to be an accessible and ad-free journalling experience.

Passcode & biometric protectioniCloud sync across devicesImport photos into entries
🌟 Lifestyle
(104)
free with in-app purchases
5
My Private Diary For Girls
My Private Diary For Girls
My Private Diary For Girls
Secret Photo, Video, & Journal
Free

Securely record your daily thoughts, feelings, and life events with photos and videos. This app acts as a private vault, protecting your personal entries from unauthorized access with a passcode.

Secure passcode protectionRecord thoughts, photos, and videosOrganize and back-up entries
🌐 Social Networking
(679)
free with in-app purchases
6
Ink: Daily Journal Prompts
Ink: Daily Journal Prompts
Ink: Daily Journal Prompts
Reflection Writing Questions
Free

This app encourages a pen-and-paper journaling habit with a minimalist, offline companion. It provides daily prompts, timers for sessions, mood tracking, and photo additions. All notes are saved locally for privacy.

Offline journaling companionDaily journaling ideas & promptsMulti-prompt journaling journeys
🌟 Lifestyle
(9)
freemium
7
Scrubl: Hacker Protection
Scrubl: Hacker Protection
Scrubl: Hacker Protection
Protect Your Privacy Online
Free

This app helps you reduce your online exposure by identifying where your personal information appears across data brokers and public listings. It tracks removal progress, monitors for leaked passwords, and provides ongoing protection to keep your data secure and your digital life calmer.

Identify exposed personal infoTrack removal progressMonitor for leaked passwords
🔧 Utilities
(9)
free with in-app purchases
8
Truly Private Journaling
Truly Private Journaling
Truly Private Journaling
Mental Health & Self Care
Free

This private journal app uses on-device AI to help you capture thoughts, process emotions, and discover patterns without accounts or cloud syncing. Your entries and insights remain entirely on your iPhone, offering a secure and distraction-free space for self-reflection and growth.

On-device AI prompts and insightsPrivate, offline journalingCustomizable themes and typography
🌟 Lifestyle
(7)
free
9
QR Notes - Digitalize Notes
QR Notes - Digitalize Notes
QR Notes - Digitalize Notes
Scan, Save, Secure.
Free
📊 Productivity
(0)
10
Cassie - Your AI Companion
Cassie - Your AI Companion
Cassie - Your AI Companion
Secure AI that knows you
Free

This AI companion offers secure, on-device memory for managing your day, thoughts, and emotional well-being. Engage in natural conversations, set reminders, journal, and personalize responses. It acts as a supportive friend, not a licensed therapist.

On-device AI memoryJournaling and conversation historyMood and tone tracking
📊 Productivity
(2)
ad-supported
11
EverWritten
EverWritten
EverWritten
Secure Journal for Loved Ones
Free

This app provides a secure space to write personal journals and create lasting keepsakes for yourself or loved ones. Capture memories, stories, and important life details with features like encrypted entries, multimedia attachments, and optional writing prompts. Preserve your legacy for future generations.

Journals for self or loved onesCollections for life's keepsakesEnd-to-end encryption
🌟 Lifestyle
(5)
free with in-app purchases
12
MiniJournal private diary
MiniJournal private diary
MiniJournal private diary
Simple, secure journaling
Free

A private digital journal for capturing thoughts, memories, and daily events. It offers a secure and simple writing experience with no account required, and allows for rich entries with time, location, weather, and photos. Unlock all features permanently with a one-time purchase.

Simple text journalingNo account creation requiredOne-time purchase for full features
🌟 Lifestyle
(9)
free with in-app purchases
13
Jot – Offline Notes & AI
Jot – Offline Notes & AI
Jot – Offline Notes & AI
Offline, secure notes & AI
Free

This app provides an encrypted, offline-first journaling experience with a personal AI chatbot. It prioritizes privacy and user control, ensuring your thoughts remain yours without cloud dependence or tracking. Designed for focus and speed, it offers a clean interface and fast note capture.

Encrypted offline-first journalingPersonal AI chatbotNo cloud dependence
📊 Productivity
(1)
free
14
Personal Diary : With Lock
Personal Diary : With Lock
Personal Diary : With Lock
by Muhammad Islam
Free

Securely capture daily life, thoughts, and emotions with a private journal app. Features include a lock, mood tracking, photo/video gallery, and audio recordings for a comprehensive self-reflection experience.

Robust lock feature for privacyIntegrated mood trackerPhoto and video gallery
🌟 Lifestyle
(1)
ad-supported
15
InnerChapters
InnerChapters
InnerChapters
A Simple But Powerful Journal
Free

This daily journaling app allows users to easily record their thoughts and experiences. Entries can be tagged with emojis for quick retrieval and the journal can be secured with a passcode for privacy. Search functionality includes emojis, dates, and text.

Daily journalingEmoji tagging for entriesSearch by emoji, date, and text
🔧 Utilities
(1)
free
16
Blink: Photo Journal
Blink: Photo Journal
Blink: Photo Journal
Private sharing, no pressure
Free

This app allows you to capture and privately journal your daily moments with photos and notes. It helps you create personal timelines and memory recaps, offering a quiet space for reflection without ads or paywalls.

Daily photo and note journalingMemory recap highlight videosPrivate sharing options
📷 Photo & Video
(1)
free
17
correlateencourage: Journaling
correlateencourage: Journaling
correlateencourage: Journaling
Memories,Goals,Accomplishments
$1.99

This app helps you track your thoughts, goals, and habits to understand what leads to your success. Create secure journal entries and customizable trackers to encourage positive behaviors and achieve personal growth. All your data is stored privately on your device.

Secure journal entriesCustomizable habit trackersGoal setting
💪 Health & Fitness
(2)
subscription
18
Notes & Moods: My Fleap
Notes & Moods: My Fleap
Notes & Moods: My Fleap
Offline Secure Journaling!
Free
💪 Health & Fitness
(0)
19
gratitude journal: three gems
gratitude journal: three gems
gratitude journal: three gems
reflect ·share ·savor a memory
Free

This app helps you cultivate a gratitude practice by creating digital "gems" with text, photos, or audio. You can share these memories with loved ones or randomly revisit past entries. It offers insights into your gratitude habits and streaks.

Create gratitude entries with text, photo, or audioTag entries by categoryShare entries with loved ones
💪 Health & Fitness
(3)
freemium
20
Bloom: AI Journalling
Bloom: AI Journalling
Bloom: AI Journalling
Journaling and self-reflection
Free
$5.99 | 100% OFF
🌟 Lifestyle
(0)

FAQ about Secure Journaling App

What is the best secure journaling app for iPhone?
Memos - Digital Journal Diary tops our secure journaling app ranking as of June 2026, with a 4.6-star average from 6.5K App Store ratings, and it's free to download.
Yes — 19 of the top secure journaling app we rank are free to download, including Memos - Digital Journal Diary and Notebook - Diary & Journal App.
Memos - Digital Journal Diary has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 31+ secure journaling app on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a private digital journal for documenting your life, tracking your goals, and monitoring your mood. It aims to enhance productivity, creativity, and overall well-being through daily reflection and memory keeping.
Key features include the ability to add photos, videos, and audio recordings to entries, track moods and activities, create to-do lists and business plans, and secure your data with password protection. It also offers device syncing and export options.