Best Secret Notes Apps

248+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated August 2026

Every iPhone needs a few good secret notes apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Secret Notes Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Secure NotepadSecure NotepadFree4.7★ (13K)NoYesSep 2026
2Diary With PasswordDiary With PasswordFree4.7★ (27K)NoYesSep 2026
3n+otesn+otesFree4.7★ (45K)YesYesSep 2026
4Secret Notes - SLOXSecret Notes - SLOXFreeYesNoJun 2026
5Notebook - Diary & Journal AppNotebook - Diary & Journal AppFree4.7★ (14K)YesYesSep 2026
6Plainsight - Private NotesPlainsight - Private NotesFreeNoYesJun 2026
7Lock Your NotesLock Your NotesFree3.8★ (708)NoYesSep 2026
8Secret Notes Lock & To Do ListSecret Notes Lock & To Do ListFree2.9★ (21)YesYesAug 2026

Top Picks for Secret Notes

Secure Notepad#1

Secure Notepad by Dmytro Vynokurov

Private Notes with Password
Editor's Choice
📊 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
  • 🔒 Prevents others from accessing private notes

Room to Improve

  • 💰 Paid version required for more than 3 notes
  • 🐛 Notes disappearing or not syncing across devices
  • 🐛 Password/security question issues
  • 🔒 Lack of customization options
Diary With Password#2

Diary With Password by 帆 杨

No Ads Journal Diary Notebook
Strong Contender
📊 Productivity
4.7😊(27K ratings)
FreeIn-App Purchases
Diary With Password screenshot 1
Diary With Password screenshot 2
Diary With Password screenshot 3
Diary With Password screenshot 4
Diary With Password screenshot 5
Diary With Password screenshot 6

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.

What We Love

  • 💻 Simple and easy to use
  • 🔒 Password protection
  • 📝 Customizable fonts and layout
  • ⏱️ Time stamp feature
  • 🔓 No ads or paywalls
  • 🧠 Helps with mental health and journaling
  • 🗓️ Organized and easy to navigate entries

Room to Improve

  • 🔍 Difficulty finding/accessing past entries
  • 🖼️ No image/media support
  • 🔄 Lack of syncing across devices
  • 🔒 Password recovery issues
  • 🔧 Limited customization options
n+otes#3

n+otes by RIEU Limited

Quick, easy note, private lock
Worth Considering
📊 Productivity
4.7😊(45K ratings)
FreeAdsIn-App Purchases
n+otes screenshot 1
n+otes screenshot 2
n+otes screenshot 3
n+otes screenshot 4

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

What We Love

  • 👍 Simple and easy to use
  • 🚀 Efficient note-taking experience
  • 🔒 Secure with passcode protection
  • 💡 Customizable themes and backgrounds
  • 👍 Great for organizing thoughts and ideas
  • 🚀 Seamless integration with Apple Watch

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 💰 Intrusive ads interrupting workflow
  • 🔋 Concerns about battery drain
  • 🔒 Lack of cross-device syncing

More Secret Notes apps to explore

FAQ about Secret Notes

What are the best secret notes apps for iPhone?
Secure Notepad tops our secret notes apps ranking as of August 2026, with a 4.7-star average from 13K App Store ratings, and it's free to download.
Yes — 19 of the top secret notes apps we rank are free to download, including Secure Notepad and Diary With Password.
Secure Notepad has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ secret notes apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Secure Notepad allows you to save personal notes, contacts, passwords, and any other sensitive information. All your data is protected by a password, ensuring it's hidden from unauthorized access and kept private.
Your notes are securely protected by a password. The app also offers biometric unlock options like Face ID or Touch ID for quick and secure access. Additionally, it features an automatic lock after a short period of inactivity.

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