EQfy - Louder Volume is an iPhone app that makes music and audio files louder and better. Boost volume up to 200% (+12 dB), add bass, and shape the sound with a 7-band equalizer and 9 genre presets, plus 3D audio, left/right balance and a haptic player. AI Studio adds a music generator, sound effects, text to speech and a noise reducer. Import songs from Files, play them offline and share louder MP3 copies. Free to download for iOS 16+, rated 4.5 on the App Store.

Solbox is a focus sounds app designed first for ADHD brains. One tap starts your noise, your volume and a Pomodoro timer. Inside: 15 noise colors, binaural beats, solfeggio tones, soundscapes and body doubling ambiences, plus a Lock Screen timer and a sleep timer that fades out. It plays alongside Spotify or podcasts. For iPhone, Mac and Vision Pro, in 22 languages. Free to download, with Pro. Built by a solo developer in Ukraine, working through air raid alerts and blackouts.