MP3Gain vs QAudioEditor

Make all your audio the same volume. Ever jump from one song to the next and have to scramble for the volume button? Or finish a podcast episode that's twice as loud as the last one? MP3Gain fixes that. It analyzes your audio and normalizes it to a consistent loudness — so everything you listen to, share, or upload sounds even and professional. Simple for everyone. Powerful for creators. MP3Gain measures the true loudness of your files and applies gain to bring them to your target level. Three easy modes cover every use case: • Peak — match tracks to a target peak level (in dB). • RMS — match the average energy of your tracks for consistent perceived volume. • EBU R128 (LUFS) — the international loudness standard used by streaming and broadcast platforms, with true-peak limiting. Built-in presets Get started in one tap with presets tuned for real-world standards — Music (-14 LUFS), Podcast (-16 LUFS), Streaming (-14 LUFS), and a simple Default peak setting. Save your own custom presets for repeat jobs. Batch processing Import a whole album, playlist, or batch of files and normalize them all at once. Adjust one file and apply the same settings to every file in your list. Progress is shown per file, and you can cancel anytime. Listen before you commit Play the original and the processed version in-app to compare before you export. No guessing — hear the difference. Keep your music intact MP3Gain preserves embedded album art and metadata. Lossy formats keep their original bitrate; lossless files are processed without additional lossy compression. Import from anywhere • Select files from the Files app • Pull tracks straight from your Music Library • Open an audio file in MP3Gain from any app Supported formats MP3, FLAC, M4A, WAV, AIFF, and OGG. MP3Gain Pro The free plan processes up to 3 files per day — perfect for quick fixes. Upgrade to MP3Gain Pro for unlimited processing: • Yearly — 7-day free trial, then $49.99/year • Lifetime — pay once at $99.99 and unlock forever Subscriptions renew automatically and can be managed or cancelled anytime in your Apple ID settings. Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage or turn off auto-renewal at any time in your Apple ID account settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: https://getseasoft.com/legal/privacy-policy Terms of Use: https://getseasoft.com/legal/terms-of-service

QAudioEditor is a lossless audio editor for iPhone and iPad. Open an MP3, AAC (.aac), M4A (.m4a), Apple Lossless, FLAC, or WAV file - or a video (MP4, MOV, M4V) to edit just its audio - see its waveform, and cut, crop, fade, normalize, copy/paste, or append audio - then save without re-encoding. Untouched audio is preserved byte-for-byte; only faded or normalized regions are adjusted, and always losslessly - MP3 and AAC by rewriting the codec's gain fields (the mp3gain/aacgain technique), and WAV, ALAC and FLAC in the sample domain - so there is no generation loss. SUPPORTED FORMATS - MP3 (MPEG-1/2 Layer III, constant or variable bitrate) - AAC - AAC-LC, HE-AAC and HE-AAC v2 - in ADTS (.aac) - AAC in MP4 (.m4a) - Apple Lossless / ALAC in M4A (.m4a) - FLAC (.flac), 16- and 24-bit - WAV / PCM (.wav), 8- to 32-bit and 32-bit float - Video (.mp4, .mov, .m4v) - the audio track is extracted losslessly for editing FEATURES - Frame-accurate cut, crop, and trim - Split markers - drop markers anywhere, drag them to fine-tune, and split a long recording into numbered files in one step - Export Selection - save just the selected part as a new file - Lossless fades and one-tap normalize - Pull the audio out of a video (MP4, MOV, M4V) - open it, or insert it at the playhead; AAC and ALAC tracks are extracted with no re-encoding - Cut, copy, paste, and insert or append other files of the same format (.aac and .m4a interchange freely) - Hardware-keyboard shortcuts on iPad - Playback follows the view - scroll to another part while playing and it plays from there - Rich waveform with peak + RMS view, zoom that stays centered on the playhead, and an overview navigator - Spectrogram view - see the frequency content over time on a log scale; toggle it with the waveform (cached for instant reopen) - File details, unlimited undo, and crash-safe session restore - Edit tags - title, artist, album and cover artwork - saved losslessly (MP3 and M4A/AAC) - Export raw AAC as a seekable .m4a - Universal purchase - buy once, use on iPhone, iPad and Mac Free to edit and to save results up to 5 minutes long. QAudioEditor Pro (a one-time purchase) removes the length limit so you can save recordings of any length - and one purchase unlocks Pro on iPhone, iPad and Mac.