Best apps like PrivacyNotes - Zero Knowledge

Whether you want more options like PrivacyNotes or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

KobCard by KOB MARKETING

Gift Card Information Platform

4.0(62 ratings)

Free

KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

Top Alternatives to PrivacyNotes

Kagi Assistant by Kagi Inc.

Your Intelligent Companion

Editor's Choice

4.8(36 ratings)

FreeIn-App Purchases

Access over 30 leading AI models for private, ad-free interactions. Get grounded answers with web access, create custom assistants, and manage conversations with adjustable retention controls. Designed for thinkers, creators, and professionals to enhance problem-solving and research.

Tuta Calendar: Secure Planner by Tutao GmbH

Encrypted Events & Reminders

Strong Contender

4.6😐(161 ratings)

FreeIn-App Purchases

Tuta Calendar: Secure Planner screenshot 1

Tuta Calendar: Secure Planner screenshot 2

Tuta Calendar: Secure Planner screenshot 3

Tuta Calendar: Secure Planner screenshot 4

Tuta Calendar: Secure Planner screenshot 5

Tuta Calendar: Secure Planner screenshot 6

This secure calendar app offers end-to-end encryption to protect your events and reminders. It features a user-friendly interface, cross-device syncing, and smart reminders, with a free plan and optional premium upgrades.

What We Love

🔒 Privacy and security focused
👍 Streamlined and minimalist design
🔄 Calendar subscriptions work well
✨ Good color schemes and views
✅ Private alternative to big tech
👨‍👩‍👧‍👦 Good for family use
💡 Well-designed and functional
💯 Privacy protection is a priority
🚀 Fast and efficient
🌟 Updates improve functionality
🔒 Data safety is a priority
😊 User-friendly interface
✨ Visually appealing design
🌟 Great encrypted calendar

Room to Improve

🐛 Frequent crashes and bugs
⚠️ Requires account/login
📅 Widget not working/limited
❌ No watch app support
⏳ Slow loading/reloading events
🔕 Double reminders from Tuta Mail/Calendar
📉 Data loss issues
🗓️ Missing holiday support
🤔 Calendar subscriptions can duplicate entries
🚫 Cannot delete calendars/subscriptions
😵 Cryptic error messages
♿ Poor readability for low vision
🖱️ UI issues with text size and color
📅 Default appointment length is 30 mins
🗓️ Week view limited to 8 hours
🚫 No on-device notes/non-login option
🤏 Cannot zoom/pinch to adjust time intervals
👆 Cannot move events by dragging
❓ Account creation issues (clock puzzle)
🗂️ Calendar entries not saving
🎨 Limited color coding for appointments
📅 App icon doesn't show current date
🔢 Day numbers not bold enough
📅 Month view shows only 4-5 letters of event
🗓️ No quick access to distant dates
😊 No emojis in events
🚫 FaceID login issues for free accounts
❌ Not user-friendly for planning
🗄️ Free tier lacks family planner
😫 Login issues (invalid credentials)
❓ Widget blank at times
📅 Widget only shows one day
🚫 No option to open locations in other map apps
📅 No week numbers displayed
🚫 No month view widget
📅 Limited display of event details
🤔 Usability issues compared to native apps

Kagi Summarize by Kagi Inc.

Read Smarter, Discover More

Worth Considering

4.8(25 ratings)

Free

Instantly transform web articles into tailored summaries that match your reading style and preferences. Choose from multiple summary formats and languages for a personalized content experience. Optimize your reading and expand your knowledge with this intelligent content companion.

More apps like PrivacyNotes

Super Productivity

ToDo List & Time Tracker

Fast to-do listPrecise time trackingPomodoro and focus timers

This app helps you plan, focus, and complete your work with a to-do list, time tracker, and integrations. It offers features for deep work, privacy, and seamless connection with project management tools.

(28)

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Notesnook: Private notepad

Encrypted notes & secure vault

Military-grade encryptionCross-platform synchronizationTo-do lists and task management

This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.

free with in-app purchases

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Travel Translation Companion

Kagi Translate

Voice translationVisual translationDictionary depth

This app offers advanced language translation with features like voice, visual, and dictionary translation. It allows users to fine-tune translations for accuracy, formality, and context. A free experience is provided, with premium features available for members.

(55)

freemium

Cloud storage, redefined.

Filen - Cloud Storage

10 GB free storageUnlimited pro storageSecure client-side encryption

Securely store photos, videos, and documents with military-grade encryption. Access files on any device, share them easily, and enjoy features like offline access and encrypted notes. Offers a free tier with 10 GB storage.

(123)

freemium

Synchronize files securely

Synctrain

Secure file synchronizationFull folder synchronizationSpecific file selection

Securely synchronize files and folders between your devices. Stream audio and video directly from other devices. Manage file sharing permissions to control access to your data.

(123)

free

End-to-end encrypted notes

Standard Notes

End-to-end encryptionCross-device syncingOffline access

Securely capture and sync your thoughts across all devices with end-to-end encryption. This app offers a simple, lasting place for all your notes, from personal thoughts to sensitive information, with robust privacy features.

free with in-app purchases

(3.7K)

Proton Authenticator

Secure 2FA Authenticator

End-to-end encrypted iCloud syncEffortless import from other authenticatorsSecure backup and export

Securely manage your two-factor authentication codes with an open-source, end-to-end encrypted authenticator app. It offers seamless cross-device syncing, effortless import from other apps, and robust backup options, all protected by strict Swiss privacy laws. Take control of your digital security with a trusted and private solution.

(242)

free