Heavy Brass delivers the most flexible and innovative approach to modern brass sounds ever provided by a virtual MIDI instrument!¹ With this ultimate brass app your productions and live performances will gain such...
Heavy Brass delivers the most flexible and innovative approach to modern brass sounds ever provided by a virtual MIDI instrument!¹ With this ultimate brass app your productions and live performances will gain such powerful and amazing tone you previously were only able to retrieve from a real brass section! This app contains the following instruments: Trumpet, Trombone and Saxophone sampled in four different brass sections. Watch and listen to the demo video on our product website! Minimum requirement: at least iPad 3 / iPad Air 1 / iPad mini 2. This app supports Audio Unit v3, Inter-App Audio and Audiobus, so you can directly use it with other apps as well! External MIDI keyboards and controllers are supported as well of course, both via Lightning/USB cable connection, as well as wireless via Bluetooth LE MIDI.¹ There are 3 fundamental sound categories: „Singles“, „Switches“ and „Combis“, where „Switch Sounds“ allow you to either switch or crossfade between configurable articulations. Some „Combi Sounds“ allow you to switch or crossfade between predefined articulations as well. 24 Single Sounds: Solo Trumpet, Solo Sax, Solo Trombone, Heavy Brass 1-4, Section 1, Section 2, Section 3, Section 4, Crescendo, Growl, Doiks, Shaker 1, Shaker 2, Staccato 1, Staccato 2, Staccato Sax 1, Staccato Sax 2, Falls 1, Falls 2, Falls 3, Falls 4. Switch Sounds: Five base sounds: Section 1, Section 2, Section 3, Section 4 and Crescendo, which are switchable or crossfadeable to four alternative articulations: Shaker, Growl, Doiks or Falls. 16 Combi Sounds: Sections Velocity Layer 1, Sections Velocity Layer 2, Sections Velocity Layer 3, Sections Velocity Layer 4, Sections Velocity Layer 5, Sections Velocity Layer 6, Sections Modwheel Layer 1, Sections Modwheel Layer 2, Staccato Layer 1, Staccato Layer 2, Staccato Round Robin 1, Staccato Round Robin 2, Staccato Round Robin 3, Sections & Staccato Round Robin 1, Sections & Staccato Round Robin 2, Sections & Staccato Round Robin 3. General Features: . Low latency disk streaming. . Polyphony up to several hundred stereo voices.² . Configurable audio latency down to 1 ms. . Integrated effects with 18 presets. . App States: Save app's entire state as user presets. . 16 parts. . Provides Audio Unit v3 plugin version of this app, which allows it to be used as virtual instrument directly within third-party multi-track DAW apps. . Support for Apple's "Inter-App Audio" system. . Audiobus support. . MIDI velocity response curve editor. . Master Tune & Scale Tuning. . App can keep running in the background, so you can play on your keyboard while e.g. using Safari or another app to display scores or surfing the Internet. . Virtual on-screen piano keyboard with velocity support, scalable & scrollable. MIDI Player / Recorder: . Record, save and load your songs in standard MIDI file format. . Share your songs easily as audio file. . Unlimited amount of tracks. . Configurable target MIDI channel per track. . Unlimited recording and playback length. . Open MIDI (.mid) files directly from other apps (i.e. from Safari, Mail). . Download or upload MIDI files with iTunes. . Load your favorite songs as MIDI files from the Internet, and watch at the virtual keyboard how to play it. . Metronome. . Use the "Tempo Zoom" dial knob to i.e. slow down playback at any time and learn your favorite songs more easily. ¹ For more information about adapters and connecting external MIDI keyboards: https://doc.crudebyte.com/iOS/External_MIDI_devices/ ² Various sounds are using several voices per note. Polyphony depends on the exact device model being used. You find a polyphony table on our product website. Anti-Spy Commitment: We take your privacy very seriously. None of our apps contain so called „spy” behaviors and we committed ourself to a very high privacy standard. For more information read our „Privacy Policy for Mobile Apps”.
Previous Versions
Here you can find the changelog of Heavy Brass since it was posted on our website on 2021-12-15 02:21:59.
The latest version is 2.4.1 and it was updated on 2026-06-27 04:49:20. See below the changes in each version.
Heavy Brass version 2.4.1
Updated At: 2026-06-07
Changes: Version History • Minor corrections. 2.4.1 Jan 19 • Audio Unit: added audio rendering time statistics.
• Audio Unit: detects audio dropouts and shows a warning in this case. 2.4 07/07/2025 This update fixes the following software issue introduced by recent feature update:
• Fixed a potential crash when switching to a different sound. 2.3.1 03/15/2022 This update provides numerous improvements for the Audio Unit (AU) plugin version of Heavy Brass:
• AU: Full-screen sound selection with search criteria filter options.
• AU: Added Reverb effect.
• AU: Automatically save and restore all sound settings with Audio Unit session (e.g. when saving/loading a song in an Audio Unit host app)
• AU: Fixed potential crash on AU session restore.
Additionally this update provides the following software correction on Heavy Brass stand-alone app side:
• Fixed potential concurrency issue when processing MIDI Control Change (CC) commands. 2.3 02/23/2022 • Adds support for iOS 15.
• Adds support for new iPhone 13 models.
• Adds support for new iPad 9 and iPad mini 6 models. 2.2.3 09/27/2021 This update provides the following software corrections:
• Voice Over: Various corrections and improvements to provide more meaningful speech output.
• MIDI: An external "All Notes Off" MIDI message now also releases potentially stuck keys on the virtual piano keyboard on screen. 2.2.2 08/16/2021 This update provides the following software correction:
• Fixes a crash which could sometimes happen when switching between sounds (affected both, stand-alone app and Audio Unit plugin). 2.2.1 07/25/2021 This update provides the following software improvements:
• Improved instrument load time.
• Audio Unit: Allows now a high amount of AU instances.
• Audio Unit: Use the new RAM bar on the AU user interface as indicator for how many AU instances you can still deploy.
• Audio Unit: Fixes several issues in conjunction with various AU host apps (e.g. with AUM, GarageBand). 2.2 07/01/2021 Regression update:
• Fixes issue with on-screen control wheels.
Please refer to the previous update's change log for additional recent changes. 2.1.1 04/01/2021 This update provides the following corrections and improvements:
• Fixes noise at beginning of new notes that happened under rare situations.
• Fixes crash on certain MIDI messages (stand-alone app and Audio Unit).
• Audiobus: Fixes connection problem with Audiobus on iOS 14 and higher (see NOTE below).¹
• Audiobus: If session is restored from Audiobus, don’t ask the same question dialog again whether IAA MIDI or IAA MIDI + CoreMIDI shall be used.
• Audio Unit UI: Fixes sound selection list from being cropped if AU UI height inside AU host app was rather small.
• MIDI recorder: Fixes crash on 2nd iOS “Open with …” request for user imported MIDI files.
• MIDI recorder: Supports now MIDI files with “.midi” file extension (instead of being limited to only “.mid”).
• Volume knob: Shows now that MIDI CC#7 is associated with this control.
¹ NOTE: This version asks you for permission to access the local network, which is required for Audiobus to work on iOS 14 and higher. If you are not using Audiobus you can safely ignore or decline this permission request. You can also grant and revoke this permission under iOS Settings -> “Privacy” -> “Local Network” at any time. 2.1 03/30/2021 This regression¹ update fixes one issue with the Audio Unit plugin:
• Audio Unit: Workaround to prevent an immediate crash when loading the Audio Unit plugin in some DAW apps (bug on iOS level introduced by iOS 13.4.1).
¹ Regression update: the previous update few days ago caused issues on older iOS versions (iOS 12 and older), which we corrected with this regression. 2.0.8 06/26/2020 This update fixes one issue with the Audio Unit plugin:
• Audio Unit: Workaround to prevent an immediate crash when loading the Audio Unit plugin in some DAW apps (bug on iOS level introduced by iOS 13.4.1). 2.0.7 06/20/2020 This update fixes the following issues:
• Fixed several issues with the graphical user interface (iOS 13).
• Fixed issues with dark mode (iOS 13).
• Audio Unit: Fixed several crashes when exporting / freezing a song.
• Audio Unit: Fixed AU not being loaded with some DAW apps.
• Inter-App Audio: Fixed crash when Inter-App Audio was disconnected.
• Fixed several issues with Audiobus.
• App States: Fixed MIDI device selection not being saved / restored.
• App States: Fixed MIDI velocity curve setting not being saved / restored.
• Virtual piano keyboard: Fixed black keys triggering notes with incorrect / inaccurate velocities.
• Fixed seldom crash on (stand-alone) app start.
• Fixed crash when opening tuning settings on app start.
Thanks for your feedback, and take care! 2.0.6 05/08/2020 This update fixes several issues with the new iPad Air 3 and iPad mini 5 models. 2.0.5 04/05/2019 This update provides the following software correction:
• AudioUnit: Fixed an issue where wrong instruments were being restored on offline mixdowns.
Thanks for your feedback! 2.0.4 01/31/2019 This update provides the following software corrections:
• App States: Fixed issues with "Replace" function.
• AudioUnit: Fixed issues with audio export.
Thanks for your feedback! 2.0.3 11/21/2018 This update fixes issues with the Audio Unit plugin on iOS 12. 2.0.2 11/11/2018 This update contains numerous software corrections, as well as some minor new features:
• Added "Panic" button.
• MIDI Recorder: Added setting whether to ignore MIDI program change on playback (by default recorder ignores program change).
• Fixed effect send knob not being updated on MIDI CC #91.
• Audio Unit: Loads instruments in background again on regular (real-time) DAW usage.
• App States: Fixed remote restoring App States via MIDI program change.
• App States: Fixed wrong MIDI program number being displayed to user (off by one).
• Fixed memory leaks.
• Audio Unit: Fixed wrong preset being restored under certain conditions.
• App States: Fixed transpose setting not being restored.
• MIDI Recorder: Songs are sorted alphabetically now.
Thanks for your feedback! 2.0.1 09/07/2018 This major update of Heavy Brass introduces several new features, most notably:
• Introduces "App States".
• Improved tuning dialog with master tune and factory presets.
• Adds extended features to the virtual on-screen piano keyboard.
• Adds optional MIDI device configuration screen.
• Latency down to 1ms now available.
As well as a number of software corrections, most notably:
• Audio Unit: Addresses audio export ("offline rendering") issue (introduced by iOS 11).¹
• Inter-App Audio / Audiobus: Fixes crash which could happen (with iOS 11) when the app was launched from either Audiobus or as IAA from a third-party DAW app.
• Fixes touch latency of 1s on virtual on-screen piano keyboard (introduced by iOS 11).
• Fixes issue with manual polyphony and latency settings.
• Numerous other minor UI corrections.
Please note that we had to raise the minimum requirement to at least iOS 9.3 due to new software features we use. However the App Store still offers you an older version of Heavy Brass for devices running an older version of iOS.
¹ Requires at least iOS 11.3 and also an update of your DAW app to be resolved. For more details about this issue: https://doc.crudebyte.com/iOS/Technical-Notes/Audio_Unit_Issue_219DE61/ 2.0 05/01/2018 • Fixes an issue of the Audio Unit Plug-in version which caused misbehaviors like random audio artifacts, noise and AU crashes under certain conditions.
• Fixes minor graphical issue. 1.2.3 06/25/2017 • Adds Audio Unit v3 plugin feature which allows this app to be used as virtual instrument by third-party multi-track DAW apps.
• Preserve selected volume on instrument change instead of switching to a default volume. 1.2.2 12/20/2016 • 7 additional new single sounds added (Solo Trumpet, Solo Sax, Solo Trombone, Heavy Brass 1-4), free for owners of the app!
• Overall sound improvement of existing sounds.
• Adds Bluetooth LE MIDI configuration to settings screen.
• Fixes detuning issue which could happen under certain scenarios.
• Fixes periodic audio noise issue which could happen under certain scenarios.
• Fixes velocity support of on-screen keyboard on recent iOS versions.
• Adds ability to change time signature on built-in MIDI recorder.
• Fixes some minor UI issues on some devices. 1.1.1 10/28/2016 1.0.0 11/20/2015
Heavy Brass version 2.4.1
Updated At: 2026-01-19
Changes: • Minor corrections.
Heavy Brass version 2.4
Updated At: 2025-07-07
Changes: Jul 7, 2025
Version 2.4
• Audio Unit: added audio rendering time statistics.
• Audio Unit: detects audio dropouts and shows a warning in this case.
Heavy Brass version 2.3.1
Updated At: 2022-03-15
Changes: Mar 15, 2022 Version 2.3.1
This update fixes the following software issue introduced by recent feature update:
• Fixed a potential crash when switching to a different sound.
Heavy Brass version 2.3
Updated At: 2022-02-23
Changes: Feb 23, 2022
Version 2.3
This update provides numerous improvements for the Audio Unit (AU) plugin version of Heavy Brass:
• AU: Full-screen sound selection with search criteria filter options.
• AU: Added Reverb effect.
• AU: Automatically save and restore all sound settings with Audio Unit session (e.g. when saving/loading a song in an Audio Unit host app)
• AU: Fixed potential crash on AU session restore.
Additionally this update provides the following software correction on Heavy Brass stand-alone app side:
• Fixed potential concurrency issue when processing MIDI Control Change (CC) commands.
Heavy Brass version 2.2.3
Updated At: 2021-09-27
Changes: Sep 27, 2021 Version 2.2.3
• Adds support for iOS 15.
• Adds support for new iPhone 13 models.
• Adds support for new iPad 9 and iPad mini 6 models.
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