When comparing aqualung vs Resonic, the Slant community recommends Resonic for most people. In the question“What are the best audio player applications for Windows?” Resonic is ranked 13th while aqualung is ranked 27th.
Ranked in these QuestionsQuestion Ranking
Pro Gapless playback
Aqualung offers continuous, gap-free playback of consecutive tracks. Your ears get exactly what's in the files – no silence inserted in-between.
Pro LADSPA plugin support
You can use any suitable LADSPA plugin to enhance the music you are listening to. There are many different plugins out there, including equalizers, spatial enhancers, tube pre-amp simulators, etc.
Pro JACK Audio Server support
Pro Multiple skin support
There's support for multiple skins in aqualung; changing them is possible at any time.
Pro Clean interface
About 8 MB, and about 11 MB with the integrated Soundfont for its MIDI playback synthesizer. Native application, no dependencies (no .NET runtime).
Pro Portable version available
Pro Pure sound
Pro Has a waveform seekbar and analyzers
Has a big single-click waveform seekbar and three real-time analyzer visualizations by default.
Pro WASAPI/ASIO support
High-end audio cards can be easily used to their full potential without any additional software due to WASAPI (Player and Pro) and ASIO (Pro) support.
Pro Supports all formats
WAV, BWF, RF64, AIFF, AIFC, FLAC, APE, ALAC, WV, TTA, DSF, DFF, MP3, MP2, MP1, M4A, MP4, AAC, MPC, MP+, OGG, OPUS, SPX, WMA, WMA Pro, WMA Lossless, MP4, WMV, AVI (certain codecs), MID, RMI, KAR, IT, XM, S3M, MTM, MOD
Pro Most actions can be done with a single click
Most actions can be done without having to double-click. Things like navigating folders, playing files, seeking audio, changing volume are all done with a single-click.
Con No playlists
Or not yet, at least in the forums they say they're working on it