Trackstack Mobile vs Audio Studio

Trackstack is a purpose-built Inbox for managing and reviewing track submissions. Streamline demos, promos, and music curation workflows. Trackstack Inbox Mobile is a companion to the Trackstack Inbox desktop platform, designed for on-demand track review and management when you're away from your studio: • Review demos and promos on-the-go • Send tracks to open Inboxes • Stay up-to-date on your most important submissions • Get instant notifications about track activity • Manage submissions, uploads, and comments from anywhere Please note: This app requires an existing Trackstack account.

Audio Studio is the all-in-one audio toolkit for iPhone. Whether you're pulling audio from a video, converting tracks for a DJ set, trimming a podcast, or practising an instrument — every tool you need is here, beautifully designed and fast. Pro Music Player A full-featured player built for your audio files — not streaming. Everything stays local, private, and yours. - 19 real-time animated artwork styles — from Aurora and Galaxy to DNA Helix, Plasma, Silk Ribbon and Kaleidoscope, each visualizer reacts to your music - 10-Band Equalizer with genre presets (Bass Boost, Vocal, Classical, and more), or dial in your own sound - Speed & Pitch Control — adjust playback speed from 0.5× to 2× and shift pitch ±24 semitones, completely independently - Audio Boost — push volume beyond the hardware limit with a digital gain stage; perfect for quiet recordings - Crossfade — seamless transitions between tracks with a configurable 1–8 second fade - A-B Loop — mark any two points and loop a section on repeat to master a passage - Stable Volume — loudness normalisation so no track is ever jarringly louder than another - Sleep Timer — set a countdown up to 10 hours; playback fades and stops automatically - Bookmarks — drop a timestamp in one tap, long-press to review and manage them all - Queue — view, reorder, and remove upcoming tracks with a drag handle - AirPlay — stream to any AirPlay speaker or Apple TV directly from the player Smart Library - Playlists — create named folders, drag tracks in, and browse them anywhere - Favourites — heart any track; a dedicated view gathers all favourites across every folder - Recently Played — a quick-access strip of your last 10 tracks at the top of the library - Library Stats — total tracks, favourite count, total plays, most-played track, and a format breakdown Studio Tools Five professional audio tools in one place — and any tool's output can be sent directly into another. - Extract — pull audio from any video (MP4, MOV, M4V…) from your Camera Roll or Files app, in seconds. Batch-process entire albums at once - Convert — transcode between M4A, MP3, WAV, AIFF and CAF. Batch-convert a whole folder in one tap - Trim — an interactive waveform editor with three modes: Trim (keep a range), Delete Regions (cut a section and rejoin), Mute Regions (silence a range without removing it) - Pitch Shift — permanently export a file at any pitch from −24 to +24 semitones - Merge — combine multiple audio files into one seamlessly joined export Chromatic Tuner - Real-time pitch detection via the microphone with a live cents gauge - Scrolling chromatic strip highlights the nearest note - Support for A4 = 432 Hz, 440 Hz, or 444 Hz reference pitch - Note History log to review a session's detected pitches Metronome - BPM control from 20 to 300 with fine-step precision - Tap Tempo — tap in rhythm to set BPM instantly - Common and unusual time signatures (2/4, 3/4, 4/4, 5/4, 6/8, and more) - Multiple beat sounds to match your style - Subdivisions — quarter, eighth, triplet, sixteenth - Accent Pattern Editor — toggle accents on individual beats - Practice Timer — automatically stop after a set duration - Auto-Accelerate — gradually ramp BPM toward a target to build speed - Runs in the background while you use other apps Personalise Everything - Dozens of curated colour themes that tint the player, artwork glow, and UI accents - Random theme or artwork on launch — wake up to a fresh look every day - Use Original Artwork — display the cover art embedded in your audio files Mini-Player Gestures - Swipe up to open the full player - Swipe left to skip to the next track - Swipe down to stop and dismiss - Long-press play to cycle through speed presets (0.75× → 1× → 1.25× → 1.5× → 2×) Audio Studio Pro works entirely offline. Your files never leave your device. No subscriptions. No accounts. No ads (optional upgrade available). Your music. Your tools. Your studio.