Best apps like CalcPlus - Hidden Notes

Whether you want more options like CalcPlus 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 CalcPlus

Plainsight - Private Notes by KLEEM STUDIO, LLC

Minimal notes, hidden & shared

Editor's Choice

0.0(0 ratings)

FreeIn-App Purchases

Discreet Notes by Ivan Milicevic

Privacy first

Strong Contender

0.0(0 ratings)

Free

This app offers a unique way to manage your notes with a strong emphasis on privacy. You can create truly hidden notes accessible only by their specific passphrase, or opt for visible notes for everyday use. It supports Markdown formatting and iCloud sync across Apple devices.

Safety Note+: Private Notes by Eightythree Technology

Password Lock & Secret Diary

Worth Considering

Private Notes with Password

4.8😊(662 ratings)

FreeIn-App Purchases

Safety Note+: Private Notes screenshot 1

Safety Note+: Private Notes screenshot 2

Safety Note+: Private Notes screenshot 3

Safety Note+: Private Notes screenshot 4

Safety Note+: Private Notes screenshot 5

Safety Note+: Private Notes screenshot 6

Secure your private notes with advanced protection. This app offers passcode, biometric, and decoy password options to prevent unauthorized access. Organize, back up, and share your sensitive information with peace of mind.

What We Love

👍 Great app
🔒 Keeps notes secure
💡 Useful features like password protection
🚀 Easy to use
👍 Convenient for storing private information

Room to Improve

🐛 Notes disappearing without warning
🔒 Requiring subscription for cloud sync
🐛 Bugs after updates
🐛 Inability to change password
🐛 Overlapping keyboard issues

More apps like CalcPlus

Secure Notepad

Password protection for all notesBiometric unlock (Face ID/Touch ID)Sort notes by date or alphabetically

Securely store personal notes, contacts, and passwords with password protection. Features a simple interface, biometric unlock options, and password recovery. Keep your sensitive information private and organized.

(13K)

Notes with password protection

Secure Notepad Pro

Password and Face ID protectionAd-free experience20+ customizable color themes

Securely store your personal notes with password or biometric protection. This ad-free app offers a fast, simple interface with extensive customization options and automatic cloud synchronization for access across all your devices.

(2.7K)

Lock Notes - Passcode Protect

Protect your notes w/ password

Passcode and Touch ID protectionSecurity question recoveryiCloud backup and sync

Securely store and protect your private notes with a passcode or Touch ID. Keep sensitive information like passwords, secrets, and diary entries safe from unauthorized access. Backup and sync notes across devices, customize their appearance, and even add images.

(1.1K)

subscription

Secure Notes - Secret & Lock

Private Diary & Password Vault

3-Layer Security (app, folders, notes)Secure Voice RecordingBiometric Lock (Face ID, Touch ID, Passcode)

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.

(719)

Lock Notes: Private Journal

Secure Diary, Password Notepad

Biometric authentication (Face ID, Touch ID)Encrypted note storageiCloud sync across devices

Securely store private thoughts, passwords, and reminders with biometric authentication. Enjoy a simple, elegant interface with iCloud sync, customizable themes, and backup options. Your data remains private and encrypted.

(138)

subscription

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.

(672)

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.

(3.7K)