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Xnapper vs ishare: catalog facts
Xnapper	ishare
Freemium Free to use with a watermark; a one-time payment removes it.	Free Free and open source under the GPL-3.0 licence.
macOS	macOS
Automatic background and balancing for presentable screenshots One-click redaction of emails, card numbers and API keys	Captures a custom region or a single window Installs with a single Homebrew command
Free version adds a watermark Cloud upload is not available yet	macOS only No versioned releases published on GitHub
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.