Comparison

Secure Notes vs CarM3

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

Head to head
About

Secure Notes

Safeguard your private thoughts, voice memos, and sensitive information with robust, multi-layered security. This app offers military-grade encryption, biometric locks, and secure voice recording to keep your data protected. Enjoy a distraction-free, ad-free experience with a powerful rich text editor and seamless iCloud syncing across devices.

Highlights
  • 3-Layer Security (app, folders, notes)
  • Secure Voice Recording
  • Biometric Lock (Face ID, Touch ID, Passcode)
  • iCloud Sync
  • Rich Text Editor with Markdown
  • Trash Recovery
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. Everything is encrypted on your device, and even we cannot read your data. 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 Encrypted storage on device 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 All notes are encrypted and stored locally unless you enable iCloud sync. 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

About

CarM3

Read full description

CARM3 is the ultimate solution for car lovers. Take full control of your garage, maintenance history, and automotive finances in a modern, easy-to-use app. Perfect for careful owners, collectors, and motorsport enthusiasts. Main Features: - My Digital Garage: Register your vehicles with a complete technical sheet (Brand, Model, Year, Fuel, Power, Chassis, and more). - Maintenance Management: Record all inspections, oil changes, tire replacements, and repairs. Track mileage and know exactly when the next service is due. - Financial Control: Organize Budgets, Work Orders, and Invoices. Know exactly how much you spend on parts and labor. - Dashboard: Quickly view the health status of your fleet. See which cars are up to date ("Good"), approaching service ("Due Soon"), or overdue ("Overdue"). - Complete History: Increase your vehicle’s resale value with a detailed and organized service history. Why use CARM3? - Clean and intuitive interface. - Support for multiple vehicles. - Detailed history of services and parts. - Document and expiration management. Download now and manage your car in the palm of your hand!

Screenshots

Secure Notes4 screens
CarM31 screens

Verdict

The call

The clearest difference is in-app purchases: CarM3 at none against Secure Notes's 6. Secure Notes's advantage is ads (none vs shown). On price, update cadence, 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. Secure Notes sells 6 in-app purchases, starting at $4.99 per month. CarM3 asks for nothing beyond the download.

UpkeepUpdate frequency

Secure Notes ships an update fortnightly, CarM3 every 10 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Secure Notes versus CarM3: the parameters behind the verdict, then further details
ParameterSecure NotesCarM3
PriceFreeFree
Rating4.6 (716 ratings) — better—
Positive reviews64.7% of reviews—
Number of ratings716 — better—
Update frequencyFortnightlyEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size67 MB64 MB
Age rating4+17+
DeveloperPixelPort LLCAlexandre Auler

Bugs and 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

CarM3

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Secure Notes

Subscriptions5
  • 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 2 more
  • Secure Notes Pro Annual Offer$19.991 Year
  • Secure Notes - 1 Year PRO$39.991 Year
One-time1
  • Secure Notes Pro - Lifetime$99.99
None

CarM3

No in-app purchases

Questions

Is Secure Notes free?
Secure Notes is free to download, with in-app purchases available.
Is CarM3 free?
CarM3 is free to download, with no in-app purchases.
Do Secure Notes or CarM3 have ads?
CarM3 shows ads; Secure Notes does not.
Which is updated more often, Secure Notes or CarM3?
Secure Notes ships an update fortnightly, and CarM3 every 10 days. Most recently, Secure Notes was updated on October 21, 2026 and CarM3 on October 5, 2026.

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