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Phanpy vs Whalebird: catalog facts
Phanpy	Whalebird
Free Used in the browser with an existing Mastodon account; no paid plan is shown.	Free Free software with no advertising, supported by GitHub Sponsors donations.
Web	Windows, macOS, Linux
Nothing to install, runs in any browser Minimal interface as an alternative to the default Mastodon web app	Works with Mastodon, Pleroma, Friendica, Firefish, GoToSocial and Pixelfed Multiple accounts with streaming timelines
Needs an account on a separate Mastodon server Opinionated design will not suit every reading style	Single-column layout only; multi-column needs the separate Fedistar app Desktop only, with no mobile version
Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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