Comparison

Secure Notes vs CogniPen

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

Head to head
About

Secure Notes

Securely store and organize your notes, ideas, and important information with advanced encryption. Protect your data with biometric authentication and access it from anywhere via cloud sync. Customize your experience with a dark mode and other preferences for peace of mind.

Highlights
  • Advanced encryption for maximum security
  • Intuitive note creation and editing
  • Password, Face ID, and Touch ID access
  • Cloud synchronization across devices
  • Dark mode and interface customization
Read full description

Your thoughts deserve total privacy. Some ideas are too personal to risk. Passwords, secret plans, private memories โ€” this app keeps them locked away on your device, always. No cloud. No servers. No one but you. BUILT FOR PRIVACY Your notes never leave your device. No syncing, no uploading, no exposure. What you write stays with you โ€” period. LOCK IT DOWN Protect everything with a password. Enable Face ID or Touch ID for instant, secure access in seconds. MAKE IT YOURS Choose from 16 beautiful backgrounds to match your mood. A notes app that feels personal. SIMPLE AND POWERFUL Create, edit, search, and sort your notes effortlessly. Find anything instantly with smart search. Available on iPhone, iPad, and Mac. ZERO ADS No distractions. No tracking. Just you and your thoughts. Whether you are storing passwords, journaling private thoughts, saving business ideas, or keeping sensitive info away from prying eyes โ€” this is the vault you always needed. You may purchase an auto-renewing subscription through an In-App Purchase. โ€ข Auto-renewable subscription. โ€ข Subscription durations: Monthly or Annual (both include a free trial period). โ€ข Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. โ€ข Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. Privacy Policy: https://sites.google.com/site/privacycoldat/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CogniPen

Features
Read full description

CogniPen: AI Smart Notes is the intelligent note-taking companion that helps you capture, organize, and understand your thoughts with speed and clarity. Whether you're taking quick notes, organizing ideas, or enhancing your writing with AI, CogniPen makes thinking and creating effortless. Key Features (Free) . Create unlimited notes . Organize with folders, tags, and search . Clean, fast, beautiful note editor . Offline support . Sync & backup across devices * PREMIUM FEATURES(Requires Upgrade) Unlock advanced tools with an optional in-app purchase: AI-Powered Notes (Pro) . Turn messy ideas into clean, structured, and well-formatted notes with one tap. Speech-to-Text Notes (Pro) . Capture ideas hands-free with accurate voice transcription and AI enhancement. Smart Summaries (Pro) . Summarize long text, meetings, lectures, articles, and voice notes instantly. Advanced Smart Suggestions (Pro) . AI-enhanced organization and note improvements. Perfect For Students who want clean study notes Professionals taking meeting notes Creators brainstorming ideas Journalers and writers Anyone who wants to think clearer and write faster Why Users Love CogniPen Saves time Organizes thoughts effortlessly Produces clean, beautiful formatting Uses AI to help you write and think better Designed to be simple, fast, and intuitive Privacy & Terms Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/ossacodes/CogniPen-public/blob/main/cognipen-privacy-policy.md

Screenshots

Secure Notes4 screens
CogniPen4 screens

Verdict

The call

The clearest difference is update cadence: CogniPen at every 2 months against Secure Notes's every 8 months. CogniPen also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Secure Notes sells 2 in-app purchases, starting at $0.99 per month and CogniPen sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Secure Notes ships an update every 8 months, CogniPen every 2 months. The most recent releases landed on September 7, 2026 and September 21, 2026 respectively.

Scorecard2 real differences ยท 6 level
Secure Notes versus CogniPen: the parameters behind the verdict, then further details
ParameterSecure NotesCogniPen
PriceFreeFree
Positive reviews20.6% of reviewsโ€”
Update frequencyEvery 8 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPod, Mac โ€” betteriPhone, iPad, iPod
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size14 MB86 MB
Age rating4+4+
DeveloperEmanuele Florisiradukunda usama

In-app purchases

2 purchases

Secure Notes

Subscriptions2
  • Unlimited Access3 Days trial$0.991 Month
  • Unlimited Access3 Days trial$2.991 Year
2 purchases

CogniPen

Subscriptions2
  • Premium3 Days trial$9.991 Month
  • Premium Yearly$59.991 Year

Questions

Is Secure Notes free?
Secure Notes is free to download, with in-app purchases available.
Is CogniPen free?
CogniPen is free to download, with in-app purchases available.
Do Secure Notes or CogniPen have ads?
Neither Secure Notes nor CogniPen shows ads.
Which is updated more often, Secure Notes or CogniPen?
Secure Notes ships an update every 8 months, and CogniPen every 2 months. Most recently, Secure Notes was updated on September 7, 2026 and CogniPen on September 21, 2026.

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