Comparison

Secret Notes Lock & To Do List vs Smart Notes

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

Head to head
About

Secret Notes Lock & To Do List

Securely store private notes, passwords, and personal information with this app. It offers robust security features like app lock with PIN, fingerprint, or face ID. Organize your thoughts with unlimited notes, customizable fonts, and smart search, alongside a versatile to-do list functionality.

Highlights
  • App lock (PIN, fingerprint, FaceID)
  • Unlimited note creation
  • Customizable fonts and font sizes
  • Smart search for notes
  • To-do and shopping list creation
  • Secure storage of sensitive information
Features
Read full description

SECRET NOTES LOCK APP PROTECTS YOUR PRIVATE NOTE, PASSWORDS, AND PERSONAL INFORMATION. KEY FEATURES: Secure the Notes with App Lock (Password or PIN + Fingerprint or FaceID). - Create note in single touch. - Create unlimited number of notes. - Choose between various fonts to display. - Font size selection option to change size of the text. - Smart search ability for notes. - Sort your notes by date. - Share your notes with anyone you want. - All files are stored securely so that remains password protected and private. - Free to use. To Do List or Shopping List: - Create task lists with your most important to-do lists. - In the checklist mode, you can add as many items as you'd like. - Change the order of To Do List easily. - After the list is finished and saved, you may check or uncheck each line on your list with a quick tap. - Show Completed List separately. ORGANISE NOTES: - Creating and editing text notes. - Simple interface that most of the users find easy to use. - Keep yourself and your work organised. - Store Credit Card Details Securely - Bank details securely store. - Make notes of Health Details. - Notebook provides different ways to take notes and capture your thoughts. - Write notes, Start with a text, and amazing features of writing options. - Store secret information or ideas - No limits on note's length or number of notes created.

About

Smart Notes

Features
Read full description

Smart Notes - Secret Notepad is a memo app to help users to write memos, checklist, event necessary daily. The list of memos supported by this app is as follows. 1. Manage bank account number - If you enter the bank account number, you can copy it to the clipboard or send it to someone. 2. Manage checklist - You can write down necessary items and use these in a shopping list or to-do list. - You can freely modify items for to-do lists, task lists or any kind of things-to-do lists. 3. Manage Birthdays list - It reminds you about family or friends' birthdays. It supports calendar mode. 4. Manage site IDs - Since there are countless internet sites out there, it is difficult to remember your IDs. This function helps you to remember them. 5. General text memo, notes - You can conveniently write down text memos. - Even long memos will be okay. 6. Manage event list - It will remind you of your upcoming appointment events. Other functions - Cloud backup and restore through Google Drive - Reminder function - Private secure notes

Screenshots

Secret Notes Lock & To Do List4 screens
Smart Notes4 screens

Verdict

The call

The clearest difference is ads: Smart Notes at none against Secret Notes Lock & To Do List's shown. Smart Notes also leads on iOS requirement (9.0 vs 14.0). Secret Notes Lock & To Do List's advantage is update cadence (monthly vs every 7 months). On price, in-app purchases and device support 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. Secret Notes Lock & To Do List sells 1 one-off in-app purchase and Smart Notes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Secret Notes Lock & To Do List ships an update monthly, Smart Notes every 7 months. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 7 level
Secret Notes Lock & To Do List versus Smart Notes: the parameters behind the verdict, then further details
ParameterSecret Notes Lock & To Do ListSmart Notes
PriceFreeFree
Rating2.9 (21 ratings) — better—
Positive reviews38.8% of reviews—
Number of ratings21 — better—
Update frequencyMonthly — betterEvery 7 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.09.0 — better
Further details — not scored
Size33 MB35 MB
Age rating4+4+
DeveloperGURUPRITSINGH SAINIGiang Dinh Van

In-app purchases

1 purchases

Secret Notes Lock & To Do List

One-time1
  • Remove Advertisements$3.99
1 purchases

Smart Notes

One-time1
  • Remove ads$5.99

Questions

Is Secret Notes Lock & To Do List free?
Secret Notes Lock & To Do List is free to download, with in-app purchases available.
Is Smart Notes free?
Smart Notes is free to download, with in-app purchases available.
Do Secret Notes Lock & To Do List or Smart Notes have ads?
Secret Notes Lock & To Do List shows ads; Smart Notes does not.
Which is updated more often, Secret Notes Lock & To Do List or Smart Notes?
Secret Notes Lock & To Do List ships an update monthly, and Smart Notes every 7 months. Most recently, Secret Notes Lock & To Do List was updated on September 21, 2026 and Smart Notes on September 18, 2026.

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