Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

isfizz Screenshots

iPad

iPhone

About isfizz

isfizz is a SFZ file player.
SFZ is an open text format for sampled sound instruments. This app can load SFZ and play the instrument.

- Includes Audio Unit Extension (AUv3).
- You can edit SFZ string.
- The app loads SFZ files in place without copying the files.
- Double tap to enter the value, triple tap to reset.
- Supports Scala tuning files (.scl).
- Supports MIDI.
- Supports 16 out. use the "output=N" opcode in SFZ.

Supported sample file format:
- .wav (raw PCM)
- .aiff
- .mp3
- .flac
- .ogg (vorbis)
- .wv (wavpack)

This app is an iPhone/iPad port of sfizz-ui project.
The app is made from some sfizz-ui codes and images.
About half of the income from this app will be donated to SFZ Tools team.

What's New in the Latest Version 1.3.8

Last updated on Mar 25, 2024

Old Versions

Small changes.

Version History

1.3.8

Mar 25, 2024

Small changes.

1.3.7

Feb 29, 2024

Some improvement and some fixes.

1.3.6

Feb 28, 2024

Changed process for background images.
Fixed some crash bugs.

1.3.5

Feb 23, 2024

Fixes an issue that caused stuck notes.

1.3.4

Feb 22, 2024

Some internal optimizations.
Fixed a problem that prevented files from being opened especially in the older system.
Added support for image opcodes.
Fixed a problem with adding reverb.

1.3.3

Feb 14, 2024

Fixed a bug in which the level meter was reversed left to right.
Fixed a bug in which knobs were not updated.
Some improvement.

1.3.2

Feb 13, 2024

Fixed an issue that caused noises when loading files on 16-out.

1.3.1

Feb 13, 2024

Fixed a bug that caused terrible gain in the later outputs in 16 out.

1.3

Feb 11, 2024

Added a Multiple Output function for Audio Unit (isfizz 16 Out).
Improved stability.

1.2.13

Feb 5, 2024

Much improved performance.
Much improved the memory footprints. (Multiple instances shares the memory of samples.)

1.2.12

Feb 3, 2024

v1.2.11:
Improved performance. (There were bugs in the engine.)
Improved memory management.

v1.2.12:
Fixed a crash bug when deallocating the Audio Unit.
Fixed a bug that some settings were not saved.

1.2.11

Feb 1, 2024

Improved performance. (There were bugs in the engine.)
Improved memory management.

1.2.10

Jan 28, 2024

Updated the sfizz engine.
Improved file loading (now case-insensitive).
Added support for some opcodes.

1.2.9

Jan 17, 2024

Improved stability.

1.2.8

Jan 13, 2024

Fixed a bug that prevented the folder select window from appearing.
Fixed a crash bug.

1.2.7

Jan 11, 2024

Improved file loading.
Changed some text.

1.2.6

Jan 7, 2024

Fixed a crash bug.
Other fixes.

1.2.5

Jan 4, 2024

Fixed a bug that key switches were unavailable.
The app worns when you use cloud.
Other fixes.

1.2.4

Jan 4, 2024

Fixed a crash bug.

1.2.3

Jan 4, 2024

Fixed a bug that caused a crash.
Other fixes.

1.2.2

Jan 4, 2024

Fixed a minor bug.

1.2.1

Jan 4, 2024

Some popup windows have been changed.

1.2

Jan 3, 2024

Supports ARIA banks (experimental).
Some bugs are fixed.

1.1

Jan 2, 2024

Improved the loading time.
The default expression control has become an option.
Added opcode blocklist.
Changed MIDI process. Check the MIDI device again if you chose one.

1.0

Dec 30, 2023

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