RetroAchievements
7.9#1 in game achievement trackersFree planFree planAndroidiOSWebAPI
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RetroAchievements suits players who want achievement tracking, profiles, and friendly competition while playing supported retro games through compatible emulators. It also has options for developers using its public API and players willing to start sessions online.
Trophy Hub suits players who want retro emulation alongside achievement and playtime tracking across multiple gaming platforms. It may also suit users who want to organize a library by franchise or share a read-only profile.