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

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