Fixed a bug where the spectrogram window would shrink with zoom enabled Improved CPU performance Added support for iPhone Duo

A more refined and quicker experience all round. • A cleaner interface with a distinctive new look across every panel. • Interactive onboarding to help you understand how to record, inspect and mark your first sounds. • Optional microphone sensitivity boost to help reveal quieter sounds. • Clearer zoom, inspection and playback controls. • Smoother performance, improved accessibility and fixes throughout the app.

NEW: TUNER A chromatic instrument tuner built for actually tuning, not just reading out numbers. • Presets for guitar (standard and drop D), bass and ukulele • Tap a string to lock onto it, or let it detect automatically • Each string ticks off as it lands in tune, so you can see what's left • Press and hold any string to hear its reference pitch • A subtle haptic tap the moment you hit pitch NEW: CAPTURE RANGE Choose the frequency band you want to analyse. Narrowing the range puts all of the detail exactly where you need it. • Set a custom floor and ceiling • Presets for music production and automotive diagnostics • Saved sessions remember the range they were recorded at IMPROVED • Noticeably lighter on CPU and battery during live analysis • Long recordings and imports now stay within a fixed memory budget • The spectrogram no longer skips frames under load • Light mode is properly legible across all four themes • Consistent spacing, type and corners throughout the app FIXED • Better tuning accuracy, especially on the higher strings • Calls and alarms no longer leave a recording stuck mid-capture • Saved sessions are included in device backups • Confirmation before clearing an analysis or deleting a session • A range of stability and memory fixes

A quick hotfix for some issues: Fixed rare crashes when switching microphones. Fixed microphone selection UI to show Bluetooth microphones. Optimised themes for quicker application and more support app-wide. Reduced energy consumption across the app as a whole. Smoothed FFT for more stable recording FPS. Switching themes quickly no longer causes temporary app lag. Refined app description. Added new animation for first time users when booting app.

1.4 is here with some new features to make Lumisound even better. In this update: Added input mic selection Added a decibel meter Brand new app themes to customise how Lumisound looks Improved onboarding experience for new users New and improved app icon Better performance on CPU and battery Added a progress bar when importing large files General boring bug fixes

Fixed an issue where you couldn't name your session saves Allowed recorded audio to be played back after saving Cleaned up UI clutter and responsiveness General bug fixes

You can now Save and Restore your recording sessions Added an onboarding experience for new users New "mark" feature lets you highlight/pinpoint a specific frequency UI tweaks and general bug fixes/performance optimisations

Inbuilt 20-20khz frequency generator with multiple wave shapes Zoom and pan functionality added to the spectrograph Light/dark mode setting option Ability to customise how the main spectrograph looks and functions General boring bug fixes and optimisation tweaks

Fixed a bug where the "Hold" button in frequency analysis mode wasn't functioning and added a small magnifying window to the same mode for easier scanning