Comparison

Lock Notes vs MemoTaro

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

Head to head
About

Lock Notes

Securely store private thoughts, passwords, and reminders with biometric authentication. Enjoy a simple, elegant interface with iCloud sync, customizable themes, and backup options. Your data remains private and encrypted.

Highlights
  • Biometric authentication (Face ID, Touch ID)
  • Encrypted note storage
  • iCloud sync across devices
  • Customizable themes and dark mode
  • Backup and restore functionality
  • Ad-free minimalist interface
Features
Read full description

Keep a personal notebook for your thoughts, diary entries, ideas and everyday lists. Lock Notes gives your writing its own space, with a passcode and supported biometric unlock to control access. WRITE THE WAY YOU THINK Give long notes structure with headings, bold and italic text, lists and checklists. Add photos directly into your writing, keep a simple journal, or capture an idea before it slips away. FIND WHAT MATTERS Search your notes and find text inside an open note. Automatic saving keeps your edits as you write and when you leave the editor. A clean layout keeps the focus on your text. TAKE YOUR WRITING WITH YOU Export notes as TXT or formatted PDF, share the notes you choose, and print a copy. Use exports for a personal archive, a draft to continue elsewhere, or a list to share. RECOVER AN ACCIDENTAL DELETION Recently Deleted keeps removed notes for up to 30 days, so you can restore one before it is permanently deleted. CHOOSE HOW YOU WORK Write with local storage, adjust the appearance, and use a light or dark interface. Optional cloud synchronization is available with Premium and a compatible cloud account. From a short memo to a longer personal journal, keep your writing easy to find and comfortable to read. - Privacy Policy: https://lykovstudio.io/privacy - Terms of Use: https://lykovstudio.io/terms

About

MemoTaro

Securely store your notes with a password lock and biometric authentication. Easily organize, edit, and share your memos with intuitive drag-and-drop and swipe gestures. Find information quickly with powerful search and customize your viewing experience with font settings.

Highlights
  • Password lock with Touch ID/Face ID
  • Drag-and-drop memo organization
  • Swipe to delete notes
  • Direct sharing to messages, mail, social media
  • Memo search and character search
  • Customizable font size and color
Features
Read full description

MemoTaro is a memo app with ease of operation, utility, password lock function.  Compatible with Touch ID / Face ID. ◆ Password lock function: · Password lock can be selected. · When lock setting is done, it will be locked when in the background etc so it is safe.  Compatible with Touch ID / Face ID. ◆ Editing function: · Movement of memo is possible by drag & drop. Deleting notes can also be done with swipe, and operability is simplified. · Because you can lock the edits, if you keep the important memo locked, you can prevent mistakes that you accidentally erase. · Selective deletion, all deletion function is also installed ◆ Activity function: · Functions that can post directly to messages, mail, LINE, Twitter etc. ◆ Search refinement function: · It is also possible to narrow down the target memo and display it by entering a search word. ◆ Character search function on the edit screen: ・Even if you write a lot of notes, it is easy to find where you wrote it. ◆ Font setting: The font size and font color (select from black and gray) of the list screen and memo edit screen can be changed. * The maximum number of characters that can be entered in one memo is 100,000 (6.0 or later). * When you delete an application, the saved memo data will be deleted. * If the password becomes unknown, third parties can not invalidate the lock, so please be careful when managing the setting. ◆ Note: Ads will be hidden if you pay.

Screenshots

Lock Notes4 screens
MemoTaro4 screens

Verdict

The call

The clearest difference is monetization model: MemoTaro at free with in-app purchases against Lock Notes's subscription. MemoTaro also leads on rating (4.9 vs 4.4). Lock Notes's advantage is ads (none vs shown) and ratings volume (138 vs 13). On price, update cadence and in-app purchases 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. Lock Notes sells 7 in-app purchases, starting at $4.99 per 7 days and MemoTaro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MemoTaro holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Lock Notes has 138 ratings behind it against 13, so its average is the more settled of the two.

UpkeepUpdate frequency

Lock Notes ships an update every 10 days, MemoTaro every 9 days. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Lock Notes versus MemoTaro: the parameters behind the verdict, then further details
ParameterLock NotesMemoTaro
PriceFreeFree
Rating4.4 (138 ratings)4.9 (13 ratings) — better
Positive reviews54.2% of reviews—
Number of ratings138 — better13
Update frequencyEvery 10 daysEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size23 MB23 MB
Age rating4+4+
DeveloperLYKOV STUDIO LTDMasashi Sasaoka

Customer experience

Lock Notes

All ratings138 ratings
Positive83.3%
Neutral4.3%
Negative12.3%
Written reviews48 reviews
Positive54.2%
Neutral2.1%
Negative43.8%

MemoTaro

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Lock Notes

Subscriptions5
  • Weekly$4.997 Days
  • Weekly3 Days trial$4.997 Days
  • Monthly$7.991 Month
Show 2 more
  • Annual$29.991 Year
  • Annual3 Days trial$29.991 Year
One-time2
  • Disable ads$0.99
  • Lifetime$39.99
1 purchases

MemoTaro

One-time1
  • Ad-free$1.99

Questions

Is Lock Notes free?
Lock Notes is free to download, with in-app purchases available.
Is MemoTaro free?
MemoTaro is free to download, with in-app purchases available.
Which has better reviews, Lock Notes or MemoTaro?
MemoTaro is rated higher. Lock Notes averages 4.4 out of 5 from 138 ratings, while MemoTaro averages 4.9 from 13 ratings.
Do Lock Notes or MemoTaro have ads?
MemoTaro shows ads; Lock Notes does not.
Which is updated more often, Lock Notes or MemoTaro?
Lock Notes ships an update every 10 days, and MemoTaro every 9 days. Most recently, Lock Notes was updated on October 14, 2026 and MemoTaro on October 2, 2026.

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