GrapeCompare

GrapeCompare is a private, native comparison workspace for macOS. Every comparison runs locally. The app has no account, analytics, advertising, tracking, network entitlement, or cloud upload.

FOLDERS
• Scan folders recursively without following symbolic links.
• Filter identical, changed, left-only, and right-only items.
• Review safe copy, replace, move, and recoverable delete operations before execution.
• Use preflight checks, progress, cancellation, transaction history, and validated undo.

FILES
• Compare text line by line and character by character.
• Navigate differences, search both sides, apply reusable comparison rules, edit an output, and export a unified patch.
• Compare JSON, property lists, XCStrings, and Xcode project files semantically.

IMAGES AND DEVELOPER FORMATS
• Inspect images side by side, overlaid, split, blinking, or as a difference heatmap.
• View metadata and pixel-level difference measurements.
• Inspect app bundles, code signatures, entitlements, provisioning profiles, Mach-O architectures, and asset catalogs without launching inspected code.

MERGE
• Resolve user-selected three-way text and image merges.
• Choose conflict results individually or in bulk and export the completed result.

GrapeCompare requires macOS 15 or later. It uses App Sandbox and accesses only files and folders you explicitly select. Finder Open With, drag and drop, recent comparisons, and a Compare Files Shortcut are supported.