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LOCK MEMO - Secure Notes

LOCK MEMO - Secure Notes

Private notes with passcode

494 ratings
47 reviews
With Ads
🔧 Utilities
🌟 Lifestyle
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • January 7, 2016
  • July 9, 2026

Developer

EasterEggs
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LOCK MEMO - Secure Notes screenshot #1 for iPhone
LOCK MEMO - Secure Notes screenshot #2 for iPhone
🧾$0.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
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❓5 answered
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About

This app offers a straightforward way to create and manage private notes with robust passcode protection. It's designed for intuitive use, requiring no complex setup to keep your personal information, ideas, and daily entries secure and organized.

✓Passcode protection
✓Create and edit notes
✓Folder management
✓Search notes
✓iCloud backup
✓Adjustable font size
Show original description

What users say

Summarized from real user reviews of LOCK MEMO. Based on 494 reviews and a 4.7/5 average, it highlights the 9 positives and 11 negatives reviewers mention most about this Utilities app.

Positive things

  • 👍Very easy to use and intuitive
  • 🔒Password protection and security features
  • 💾Reliable for storing notes and important information
  • ⚡Simple and lightweight application
  • 📝Great for quick memos and memory jogger
  • 🎨Clean, user-friendly interface
  • 📱Long-term reliability (users report 10+ years of use)
  • 📢Minimal and non-intrusive ads
  • 🔐Secure storage for passwords and sensitive data

Negative things

  • 🐛Notes disappearing unexpectedly
  • 🐛Edit function stops working after extended use
  • 📱Compatibility issues with newer iOS versions
  • ❌No alphabetical sorting capability
  • ❌No search functionality
  • ❌No Touch ID support (despite claims)
  • ❌Limited storage space
  • ❌No text formatting (bold, underline)
  • ❌Cannot share/export notes
  • 📢Ads disrupt creative writing flow
  • ❌No option to remove ads with purchase
See all reviews

What's New in LOCK MEMO

3.8.3

July 9, 2026

bugfix.

Subscription plans

Premium Plan

Monthly subscription.

$0.991 Month
How to cancel LOCK MEMO subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

Easy

Very easy to use
sneeknpeeks1sneeknpeeks1

B

Comes in very handy for notes & never forget important info.
Ms MissouriMs Missouri

Great

This app is very convenient and very handy and very easy to use. I use it as a memory jogger. When you think of something you can just dictate it into the notes, or type it and save it for later, (because you will always forget.)
48phil48phil

Disappearing Notes??

I had been using one folder for months, i open it today and it’s gone.
I am very dissatisfied and upset.
FeatheredElkFeatheredElk

my favourite locked notepad!

would not trade it for anything,

i have been using this app for over 10 years
(still using it on my my iphone 4s)

thank you!!!
sittingonthebenchsittingonthebench
See 42 more reviews

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User experience

🐞

Reported Bugs

6 issues

Notes disappearing from folders

Bug

Edit function becomes unavailable

Bug

App incompatible with newer iOS versions

Bug

Touch ID not functioning despite advertised

Bug

Password recovery issues

Bug

App crashes or freezes

Bug
✨

Requested Features

9 requests

Alphabetical sorting of notes

Feature

Search functionality

Feature

Touch ID/biometric authentication

Feature

Text formatting options (bold, underline, italics)

Feature

Ability to share or export notes

Feature

Picture upload capability

Feature

Increased storage space

Feature

Option to purchase ad-free version

Feature

Dark mode option

Feature

FAQ

What does LOCK MEMO do?

LOCK MEMO is a note-taking application designed for simplicity and security. It allows users to create, edit, and organize notes while protecting them with a passcode. The app is ideal for storing sensitive personal information, ideas, and daily entries securely.

What are the key features of LOCK MEMO?

Key features include robust passcode protection, the ability to create and edit notes, organize them into folders, and search through your entries. It also offers font size adjustment, character and line counters, iCloud backup for data safety, and a URL scheme for integration.

Is LOCK MEMO free to use?

The application is free to download and use, offering core note-taking and security features. Additional functionalities or enhancements may be available through in-app purchases, as indicated by the app's monetization model.

How do I ensure my notes are secure?

To ensure your notes are secure, you must enable passcode protection within the app's settings. This feature acts as a barrier, requiring the correct passcode to access your notes, thus safeguarding your private information.

What is the primary use case for LOCK MEMO?

The primary use case for LOCK MEMO is to provide a secure and private space for users to store sensitive information. This includes personal thoughts, journal entries, confidential ideas, passwords, or any other content that requires protection from unauthorized access.