Comparison

Secure Notes vs CalcPlus

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

CalcPlus

This app combines a fully functional calculator with a secure, encrypted notes system. Store sensitive information like crypto wallet phrases and passwords locally and offline, protected by a PIN and optional biometric authentication. It offers a discreet interface and prioritizes user privacy with no cloud sync or ads.

Highlights
  • Encrypted local notes storage
  • Calculator interface
  • PIN and biometric security
  • Offline functionality
  • Customizable themes and app icons
  • Auto-wipe on failed attempts
Features
Read full description

CalcPlus is a fully functional calculator with a hidden encrypted notes system built in. Enter your 6-digit PIN, tap =, and unlock secure, local-only notes storage completely offline. Use CalcPlus to store: • Crypto wallet recovery phrases (Ledger, MetaMask, etc.) • API keys and infrastructure passwords • Home Wi-Fi or VPN credentials • Door codes, admin access, or tax IDs • Any sensitive info that shouldn’t be in iCloud, Google Docs, or your camera roll Everything is encrypted on-device. No cloud sync. No account. No trace. CalcPlus Pro features: • Set your own custom PIN • Enable Face ID / Touch ID 2FA • Wipe notes after failed PIN attempts • Choose between Blue, Red, or Teal themes and auto-switch app icons to match CalcPlus is designed for privacy-focused users, security professionals, and anyone who wants peace of mind without compromise. Why CalcPlus? • Encrypted and offline • Stealthy interface looks like a basic calculator • No signup. No servers. No ads. • Instant, secure access — even when your signal is dead Download CalcPlus and reclaim your privacy.

Screenshots

Secure Notes4 screens
CalcPlus4 screens

Verdict

The call

The clearest difference is review sentiment: CalcPlus at 100% against Secure Notes's 65%. CalcPlus also leads on rating (5.0 vs 4.6). Secure Notes's advantage is ratings volume (719 vs 2). On price, update cadence, ads 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. Secure Notes sells 6 in-app purchases, starting at $4.99 per month and CalcPlus 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

CalcPlus holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Secure Notes has 719 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 65% of Secure Notes's written reviews are positive against 100% of CalcPlus's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
Secure Notes versus CalcPlus: the parameters behind the verdict, then further details
ParameterSecure NotesCalcPlus
PriceFreeFree
Rating4.6 (719 ratings)5.0 (2 ratings) — better
Positive reviews64.7% of reviews100.0% of reviews — better
Number of ratings719 — better2
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size67 MB1 MB
Age rating4+4+
DeveloperPixelPort LLCWildcatter LLC

Customer experience

Secure Notes

All ratings719 ratings
Positive91.4%
Neutral3.6%
Negative5.0%
Written reviews150 reviews
Positive64.7%
Neutral10.0%
Negative25.3%

CalcPlus

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

CalcPlus

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
1 purchases

CalcPlus

One-time1
  • CalcPlus Pro$9.99

Questions

Is Secure Notes free?
Secure Notes is free to download, with in-app purchases available.
Is CalcPlus free?
CalcPlus is free to download, with in-app purchases available.
Which has better reviews, Secure Notes or CalcPlus?
CalcPlus is rated higher. Secure Notes averages 4.6 out of 5 from 719 ratings, while CalcPlus averages 5.0 from 2 ratings.
Do Secure Notes or CalcPlus have ads?
Neither Secure Notes nor CalcPlus shows ads.
Which is updated more often, Secure Notes or CalcPlus?
Secure Notes ships an update fortnightly, and CalcPlus fortnightly. Most recently, Secure Notes was updated on October 14, 2026 and CalcPlus on October 2, 2026.

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