Comparison

Lock Notes vs RAR Opener

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

RAR Opener

Easily open and extract RAR files with this straightforward tool. Access recent files, share content, and manage your archives efficiently. Offers a free version with optional premium features for enhanced functionality.

Highlights
  • Extract RAR files
  • View file history
  • Share files
  • Simple interface
  • RAR file management
Features
Read full description

RAR Opener makes it easy to open and extract RAR files. Whether you need to access a single file or an entire folder, RAR Opener gets the job done quickly and efficiently. Features: • Extract RAR Files: Open RAR files and extract their content with just a few taps. • View History: See a list of recently opened files for quick access. • Share Files: Share all files in a folder or select specific files to share. • Easy to Use: Designed with a simple and clear interface for everyone. RAR Opener is a reliable tool for managing RAR files on your device. It helps you save time and simplifies file handling. RAR Opener app is free. You can use it forever, at no cost. However, RAR Opener does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/RAR-Opener/term-of-use Privacy Policy: https://kociapp.github.io/RAR-Opener/privacy-policy

Screenshots

Lock Notes4 screens
RAR Opener4 screens

Verdict

The call

The clearest difference is monetization model: RAR Opener at free with in-app purchases against Lock Notes's subscription. RAR Opener also leads on rating (4.8 vs 4.4). Lock Notes's advantage is ads (none vs shown) and update cadence (every 10 days vs every 10 months). On price, in-app purchases, device support and iOS requirement 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 RAR Opener sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RAR Opener holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 138 and 34 respectively.

UpkeepUpdate frequency

Lock Notes ships an update every 10 days, RAR Opener every 10 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Lock Notes versus RAR Opener: the parameters behind the verdict, then further details
ParameterLock NotesRAR Opener
PriceFreeFree
Rating4.4 (138 ratings)4.8 (34 ratings) — better
Positive reviews54.2% of reviews—
Number of ratings138 — better34
Update frequencyEvery 10 days — betterEvery 10 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size23 MB13 MB
Age rating4+4+
DeveloperLYKOV STUDIO LTDAndy Sutanto

Customer experience

Lock Notes

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

RAR Opener

All ratings34 ratings
Positive97.1%
Neutral0.0%
Negative2.9%

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
4 purchases

RAR Opener

Subscriptions2
  • RAR Extractor Pro - 1W$1.997 Days
  • Extract RAR Pro - 1Y$19.991 Year
One-time2
  • Offering for New Users$19.99
  • RAR Opener Pro$39.99

Questions

Is Lock Notes free?
Lock Notes is free to download, with in-app purchases available.
Is RAR Opener free?
RAR Opener is free to download, with in-app purchases available.
Which has better reviews, Lock Notes or RAR Opener?
RAR Opener is rated higher. Lock Notes averages 4.4 out of 5 from 138 ratings, while RAR Opener averages 4.8 from 34 ratings.
Do Lock Notes or RAR Opener have ads?
RAR Opener shows ads; Lock Notes does not.
Which is updated more often, Lock Notes or RAR Opener?
Lock Notes ships an update every 10 days, and RAR Opener every 10 months. Most recently, Lock Notes was updated on October 29, 2026 and RAR Opener on October 24, 2026.

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