Comparison

Private Notes and Secret Diary vs Secure Notes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Private Notes and Secret Diary

Securely store and manage your private notes with password protection. Keep personal details safe from prying eyes on your device, even when sharing with others.

Highlights
  • Password protection for notes
  • Secure storage of personal details
  • Create simple notes
  • Share device while keeping notes secure
  • Prevent unauthorized access
Features
Read full description

Free for limited time This is a best solution for your privacy ** THE BEST NOTE LOCK APP EVER **. Provides functionality for creating simple notes and keeping these notes secure by requiring a password to be entered before any note can be viewed or edited. Allows you to share your iPhone with others and still keep your notes secure. Great for storing all of your personal details, pin numbers etc on your device without the risk that someone might get access.

About

Secure Notes

Securely store your thoughts, passwords, and sensitive information with multi-layer protection. This app offers robust security features like Face ID and passcode locks for individual notes, folders, and the entire application. It also provides tools for writing, recording voice memos, and organizing content with iCloud sync.

Highlights
  • 3-layer security (app, folders, notes)
  • Face ID, Touch ID, passcode protection
  • Voice notes up to 10 minutes
  • Speech-to-text transcription
  • Markdown editor with live preview
  • iCloud sync across devices
  • Trash recovery for 30 days
Features
Read full description

Lock your notes. Only you can access them. Secure Notes is a private and secure notes app designed to protect your thoughts, passwords, voice memos, and sensitive information. Notes are stored on your iPhone, protected by iOS, and locked with your passcode and Face ID. They never reach our servers, so we cannot read them. If you need a truly private place for your notes, Secure Notes gives you full control, strong protection, and a simple experience that works every day. Built for real privacy - Your notes are yours. Always. - No tracking - No analytics on your content - No data selling - No external access to your notes All data is stored securely on your device and, if enabled, inside your private iCloud account. This is not just a locked notes app — it is built for real privacy. Powerful protection Secure Notes uses multiple layers of protection to keep your data safe. 3-layer security: lock the app, folders, and individual notes Face ID, Touch ID, or passcode protection Lock specific notes with additional security Stored on your iPhone, protected by iOS Designed to prevent unauthorized access Your notes stay protected even if your device is lost or accessed by someone else. Write, record, and organize Capture everything in one place. Secure text notes for daily use Voice notes up to 10 minutes Speech-to-text: transcribe any voice note with one tap Markdown editor with formatting support Live preview for better writing experience Organize notes into folders Whether you are writing ideas, journaling, or storing important information, everything stays private and accessible. Sync across your devices iCloud sync between iPhone and iPad Instant updates across devices Your data remains under your control No external servers. No unnecessary exposure. Designed for speed and simplicity Fast and responsive performance Clean, modern interface Dark mode support No ads or distractions Reliable experience every day Additional features Trash recovery for up to 30 days Improved text rendering Enhanced Markdown editing Notifications to stay on top of your notes Continuous performance improvements Why people choose Secure Notes Private journaling and personal thoughts Password and sensitive information storage Financial tracking and private records Health notes and personal logs Recovery phrases and secure data storage Anything you want to keep hidden, protected, and under your control. Security you can trust Notes are stored on your iPhone, protected by iOS, unless you turn on private iCloud sync in your own iCloud account. We do not have access to your data and cannot read your notes. Deleting the app removes all unsynced data permanently. Terms and conditions: https://www.pixelport.io/app/secure-notes-lock-notes/terms-conditions Privacy Policy: https://www.pixelport.io/app/secure-notes-lock-notes/privacy-policy EULA: https://www.pixelport.io/app/secure-notes-lock-notes/eula

Screenshots

Private Notes and Secret Diary4 screens
Secure Notes4 screens

Verdict

The call

The clearest difference is rating: Secure Notes at 4.6 against Private Notes and Secret Diary's 3.9. Secure Notes also leads on update cadence (fortnightly vs every 10 months) and review sentiment (65% vs 38%). Private Notes and Secret Diary's advantage is iOS requirement (8.0 vs 16.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Private Notes and Secret Diary sells 1 one-off in-app purchase and Secure Notes sells 7 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Secure Notes holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Secure Notes has 716 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 38% of Private Notes and Secret Diary's written reviews are positive against 65% of Secure Notes's.

UpkeepUpdate frequency

Private Notes and Secret Diary ships an update every 10 months, Secure Notes fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Private Notes and Secret Diary versus Secure Notes: the parameters behind the verdict, then further details
ParameterPrivate Notes and Secret DiarySecure Notes
PriceFreeFree
Rating3.9 (8 ratings)4.6 (716 ratings) — better
Positive reviews38.5% of reviews64.7% of reviews — better
Number of ratings8716 — better
Update frequencyEvery 10 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better16.6
Further details — not scored
Size6 MB70 MB
Age rating4+4+
DeveloperTigran MkhitaryanPixelPort LLC

Customer experience

Private Notes and Secret Diary

All ratings8 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews26 reviews
Positive38.5%
Neutral7.7%
Negative53.8%

Secure Notes

All ratings716 ratings
Positive91.3%
Neutral3.6%
Negative5.0%
Written reviews150 reviews
Positive64.7%
Neutral10.0%
Negative25.3%

Bugs and requests

Private Notes and Secret Diary

Not enough reviews yet to summarise bugs or requests.

Secure Notes

Reported bugs

3 issues
  • Frequent app crashes
  • Delayed text input and display
  • Inability to access locked notes

Requested features

4 requests
  • Ability to move notes between folders
  • Option to customize font, size, and colors
  • Trash/Recycle bin for deleted notes
  • Cloud sync/backup functionality

In-app purchases

1 purchases

Private Notes and Secret Diary

One-time1
  • Remove Ads$1.99
7 purchases

Secure Notes

Subscriptions6
  • Secure Notes - 1 Month PRO3 Days trial$4.991 Month
  • Secure Notes - Pro Monthly3 Days trial$6.991 Month
  • Secure Notes Pro Monthly3 Days trial$9.991 Month
Show 3 more
  • Secure Notes Pro Annual Offer$19.991 Year
  • Secure Notes - 1 Year PRO1 Year trial$39.991 Year
  • Secure Notes - 1 Year PRO$39.991 Year
One-time1
  • Secure Notes Pro - Lifetime$99.99

Questions

Is Private Notes and Secret Diary free?
Private Notes and Secret Diary is free to download, with in-app purchases available.
Is Secure Notes free?
Secure Notes is free to download, with in-app purchases available.
Which has better reviews, Private Notes and Secret Diary or Secure Notes?
Secure Notes is rated higher. Private Notes and Secret Diary averages 3.9 out of 5 from 8 ratings, while Secure Notes averages 4.6 from 716 ratings.
Do Private Notes and Secret Diary or Secure Notes have ads?
Neither Private Notes and Secret Diary nor Secure Notes shows ads.
Which is updated more often, Private Notes and Secret Diary or Secure Notes?
Private Notes and Secret Diary ships an update every 10 months, and Secure Notes fortnightly. Most recently, Private Notes and Secret Diary was updated on November 1, 2026 and Secure Notes on November 3, 2026.

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