Comparison

Locked Notes° vs SMS Online

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

Head to head
About

Locked Notes°

Securely store your private thoughts and ideas with this app. It offers robust organization and advanced editing tools, all protected by biometric authentication for ultimate privacy. Your notes are automatically hidden and locked when the app is in the background.

Highlights
  • Biometric authentication (Face ID/Touch ID)
  • Organize notes in folders
  • Search notes and folders
  • Advanced note editing
  • Automatic background hiding and locking
Features
Read full description

Keep your notes in a private and secure place. No hassle needed, just let's get started in less than a minute! Do not worry about curious eyes and leaked passwords as the app allows only biometric authentication. Key features: - Take notes in a breeze - Organize your notes in folders - Search notes and folders - Advanced note editing capabilities - Biometric authentication with Face ID or Touch ID - Automatically hide your notes while the app is in the background - Automatically lock the app while the app is in the background

About

SMS Online

Protect your online privacy and simplify registrations with virtual phone numbers and email rentals. Avoid using personal information for sign-ups on various websites and apps, ensuring your digital identity remains secure.

Highlights
  • Virtual phone number rental for SMS verification
  • Email account rental for website and app registration
  • Business email rental with tiered plans
  • Enhanced privacy protection
  • Easy-to-use interface
  • High compatibility with mainstream platforms
Features
Read full description

Simplify online registration and protect your privacy with Verification Code, an all-in-one solution integrating virtual phone number rental, email rental, and business email services. Whether you need to sign up for mainstream websites or various apps, this app helps you get rid of the trouble of using personal information and ensures the security of your online identity. Core Features: • Virtual Phone Number Rental: Select the target service and the country of the phone number, then rent a virtual number to receive SMS verification codes. Fully compatible with most popular platforms, with functions consistent with SMS Virtual. • Email Account Rental: Provide multiple email suffixes, supporting registration requirements of almost all mainstream websites and apps. No complicated configuration, ready to use immediately after rental. • Business Email Rental: Three-tier plans tailored for enterprises: Standard Edition for daily office communication of small teams, AI Premium Edition with efficient functions such as intelligent filtering and automatic classification, and Group Edition supporting large-scale account management and permission customization. Why Choose Us? High Compatibility: Seamlessly adaptable to most mainstream websites and mobile apps. Privacy Protection: Avoid exposing personal phone numbers and emails, reducing spam interference and privacy leakage risks. Easy to Use: Intuitive interface, completing registration verification in just a few steps.

Screenshots

Locked Notes°3 screens
SMS Online4 screens

Verdict

The call

The clearest difference is rating: Locked Notes° at 4.7 against SMS Online's 4.0. Locked Notes° also leads on in-app purchases (none vs 9) and ads (none vs shown). SMS Online's advantage is update cadence (weekly vs every 2 months). On price 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. SMS Online sells 9 one-off in-app purchases. Locked Notes° asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Locked Notes° holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Locked Notes° has 382 ratings behind it against 22, so its average is the more settled of the two.

UpkeepUpdate frequency

Locked Notes° ships an update every 2 months, SMS Online weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard8 real differences · 2 level
Locked Notes° versus SMS Online: the parameters behind the verdict, then further details
ParameterLocked Notes°SMS Online
PriceFreeFree
Rating4.7 (382 ratings) — better4.0 (22 ratings)
Positive reviews92.9% of reviews—
Number of ratings382 — better22
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size28 MB8 MB
Age rating4+4+
DeveloperAdam Cziko海 代

Bugs and requests

Locked Notes°

Reported bugs

2 issues
  • Inconsistent face recognition
  • Notes sometimes disappearing

Requested features

4 requests
  • Backup and restore functionality
  • Password protection for individual notes
  • Ability to select and edit specific text
  • Cross-device syncing

SMS Online

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Locked Notes°

No in-app purchases

9 purchases

SMS Online

One-time9
  • 1 Coin$0.29
  • 5 Coins$0.99
  • 10 Coins$1.99
Show 6 more
  • 18 Coins$3.99
  • 45 Coins$9.99
  • 98 Coins$19.99
  • 198 Coins$39.99
  • 298 Coins$59.99
  • 648 Coins$129.99

Questions

Is Locked Notes° free?
Locked Notes° is free to download, with no in-app purchases.
Is SMS Online free?
SMS Online is free to download, with in-app purchases available.
Which has better reviews, Locked Notes° or SMS Online?
Locked Notes° is rated higher. Locked Notes° averages 4.7 out of 5 from 382 ratings, while SMS Online averages 4.0 from 22 ratings.
Do Locked Notes° or SMS Online have ads?
SMS Online shows ads; Locked Notes° does not.
Which is updated more often, Locked Notes° or SMS Online?
Locked Notes° ships an update every 2 months, and SMS Online weekly. Most recently, Locked Notes° was updated on November 3, 2026 and SMS Online on November 5, 2026.

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