Expired50% confidenceFactExact time
HarmonySync is currently completely free, using an independent developer voluntary sponsorship model, hoping users will leave reviews on the Chrome Web Store, with optional tips available via Buy Me a Coffee.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
9/1/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/15/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedHarmonySync is a completely free Chrome browser extension whose core function is to migrate playlists between different streaming platforms, currently supporting three major platforms: Spotify, Apple Music, and YouTube Music.75% similarUnverifiedHarmonySync runs entirely locally in the user's browser and does not upload user account data to the developer's servers or route it through third parties.70% similarUnverifiedTailscale adopts a business model of open-source client plus managed service, with individual users and small teams able to use the officially managed control plane for free.62% similarUnverifiedfree-for-dev 采用开放的社区协作模式，任何开发者都可以通过提交 Pull Request 添加或更新服务信息58% similar
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