Comparison

Open Note vs Simple Notes

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

Head to head
About

Open Note

Features
Read full description

Open Note is an all-in-one note-taking tool with a scientific design that will satisfy your needs! You can write down to-do lists with reminders and make colorful notes. You may attach anything to your notes, including drawings, photos, audio, timelines, account lists, and more, using the attachment function. Let's explore what makes Open Note the perfect note-taking app! Make Notes Of Everything The Open Note app allows you create notes with all the information you need, from brief notes to detailed notes, quickly and simply. This prevents you from forgetting or missing critical information. Quick And Easy Access The Open Note app makes it easy to access your notes whenever and wherever. You can use variety of gadgets to get to your notes, such as your phone or tablet. Flexible Usage Open Note is a multi-purpose app that can be used for everything from storing personal info to team collaboration and project management. Its flexibility lets you to adjust it to your own necessities and goals. High Security The Open Note app offers powerful security features to protect your notes. With encryption and passcode settings, you can rest assured that your information is always safely guarded. Sync And Backup With cross-device syncing, the Open Note app lets you keep your notes up to date on whatever device you're using. This guarantees you can work and access information efficiently, even on the go. Significant Features: - Create notes easily and quickly. - Create to-do lists. - Create note categories. - Attach images to your notes. - Draw and handwrite in your notes. - Record voice and attach to notes. - Add important occasions in your notes, such as birthdays and anniversaries. - Secure storage of account information. - Attach files to your notes. - Optical character recognition (OCR): Scan text from images and the camera. - Speech to text: Convert voice to text so you don't have to write by hand. - Customize notes with a variety of fonts, typography, and font sizes. - Adjust note creation time. - Automatically save notes while you're taking them. - Set note reminders to ensure you don't miss anything. Reminders are repeatable weekly, annually, and advanced customizable. - Lock notes to safeguard them with a passcode. - Duplicate notes, creating copies of the ones you've made. - Export and share notes as pictures, PDFs, or text. - Search for notes by title and content. - Notes can be filtered by color, time, category, or attribute. - Sort notes by date and alphabetically. - View notes in calendar mode. - Display notes in list or grid mode. - Detailed statistics on the data of the created notes. - Dark mode makes your eyes feel more relaxed at night. - Sync and backup notes to Google Drive, OneDrive, or Dropbox for safekeeping; you'll never lose any. If you use the Open Note app frequently, upgrade to the Premium version for the best experience. Please contact us at support@desa.mobi if you have any thoughts or concerns. If Open Note app is really useful to you, please share Open Note app with your friends! Thank you for using the Open Note app!

About

Simple Notes

A powerful and intuitive note-taking application designed to boost productivity and streamline your workflow. Organize notes with unlimited tabs, search instantly, and protect your data with biometric authentication. Works offline and offers a clean interface with dark mode support.

Highlights
  • Unlimited tab management
  • Free rearrangement of tabs and memos
  • Advanced search function
  • Biometric authentication
  • CSV export
  • Offline support
  • Dark mode support
Features
Read full description

Powerful note-taking app with rich features that unlock your creativity. Lightning-fast note creation and perfect organization boost your productivity. Professional productivity tool that dramatically streamlines your daily workflow. ■ Simple Notes Powerful note-taking functionality with intuitive operation for instant memo creation. ■ Unlimited Tab Management Create unlimited tabs organized by project or category for perfect organization. ■ Free Rearrangement Drag and drop tabs and memos freely to achieve your ideal workflow. ■ Advanced Search Function Instantly search through all notes to quickly access the information you need. ■ Recently Updated Notes List Return to previous work instantly with update history for dramatically improved efficiency. ■ Notification Feature Receive notifications with custom messages at specified times so you never miss important tasks. ■ Biometric Authentication Enhance app security with biometric authentication to completely protect your valuable data. ■ CSV Export Export all data to CSV for seamless integration with other tools. ■ Tab Notes Leave custom notes on tabs to efficiently manage project details. ■ Offline Support Works completely without internet connection to maintain productivity anywhere, anytime. ■ Dark Mode Support Eye-friendly light and dark mode switching for comfortable long work sessions. ■ No Login Required No tedious registration or login needed - start using immediately after download. ■ Complete Privacy Protection Your data is stored only on your device and never transmitted externally. Privacy Policy: https://naokiotsu.com/privacy-policy Support: info@naokiotsu.com

Screenshots

Open Note4 screens
Simple Notes4 screens

Verdict

The call

The clearest difference is in-app purchases: Open Note at none against Simple Notes's 1. Open Note also leads on iOS requirement (13.0 vs 15.1). Simple Notes's advantage is ads (none vs shown) and device support (4 vs 2). On price and update cadence 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. Simple Notes sells 1 one-off in-app purchase. Open Note asks for nothing beyond the download.

UpkeepUpdate frequency

Open Note ships an update every 2 weeks, Simple Notes every 9 days. The most recent releases landed on November 8, 2026 and November 12, 2026 respectively.

Scorecard4 real differences · 6 level
Open Note versus Simple Notes: the parameters behind the verdict, then further details
ParameterOpen NoteSimple Notes
PriceFreeFree
Rating—4.6 (11 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings—11 — better
Update frequencyEvery 2 weeksEvery 9 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS13.0 — better15.1
Further details — not scored
Size95 MB55 MB
Age rating17+4+
DeveloperCao Hoangnaoki otsu

In-app purchases

None

Open Note

No in-app purchases

1 purchases

Simple Notes

One-time1
  • Premium (Pay Once)$4.99

Questions

Is Open Note free?
Open Note is free to download, with no in-app purchases.
Is Simple Notes free?
Simple Notes is free to download, with in-app purchases available.
Do Open Note or Simple Notes have ads?
Open Note shows ads; Simple Notes does not.
Which is updated more often, Open Note or Simple Notes?
Open Note ships an update every 2 weeks, and Simple Notes every 9 days. Most recently, Open Note was updated on November 8, 2026 and Simple Notes on November 12, 2026.

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