DiffNote
See what changed between texts
Free · Designed for iPad. Not verified for macOS.
Write two texts side by side and see every difference highlighted. Great for drafts, contracts, and config files. iPhone, iPad, and Mac with iCloud sync.
DiffNote is a note app that puts two texts side by side and shows you what changed, at a glance.
Use it to compare drafts and revisions, two versions of a manuscript, or config files and code.
SIDE-BY-SIDE EDITING
• Edit in two panes, left and right or top and bottom
• Changed lines are highlighted as you type (added, removed, changed)
• Synchronized scrolling between panes
COMPARE VIEW
• See every line with its differences
• Tap a line to see character-level changes
• Counts of added, removed, and changed lines
• Jump to the previous or next difference
• Pinch to zoom (scroll-wheel zoom on Mac)
COMPARE OPTIONS
• Ignore whitespace
• Ignore letter case
FILES
• Import text files, including by drag and drop
• Supports non-UTF-8 encodings such as Shift_JIS
• Save each side as a text file
• Share both sides together
ORGANIZE
• Folders
• Pin, duplicate, and lock notes to prevent accidental edits
• Restore notes from the trash
• Sort by date modified, date created, or title
• Move or delete multiple notes at once
IPHONE, IPAD, AND MAC
• Layouts designed for each device
• Optional iCloud sync across your devices
• Choose text size and a monospaced font
PRIVACY
No account required. No data collection, ads, or tracking. Your notes stay on your device and, if you choose, in your own iCloud.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Tetsuya Kawashima, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Tetsuya Kawashima
- Size
- 3.7 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 比較メモ. All rights reserved.