Version history
midiFILTr-VF for Volca FM
42
ASO score
Text
55/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
5
Votes
3
App Age
8y 9m
Last Update
Sep 04, 2019
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
0
|
4.56
|
|
|
Number of Ratings (Voted)
|
0
|
588K
|
|
|
App Age
|
8y 9m
|
8y 4m
|
+5%
|
|
Price
|
$2
|
$0
|
|
|
In-app Purchases Price
|
$0
|
$44
|
|
|
Update Frequency
|
2310d
|
29d
|
+7 833%
|
|
Title Length
|
25
|
25
|
|
|
Subtitle Length
|
16
|
27
|
-41%
|
|
Description Length
|
792
|
2 751
|
-71%
|
|
Number of Screenshots
|
385
|
1252
|
-69
%
|
|
Size
|
0MB
|
227MB
|
|
Category Ranking in United States
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Last year
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| Top | Dec 23, 2025 | Dec 30, 2025 |
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Ranking Keywords in United States
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Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
25
of 30
)
midiFILTr-VF for Volca FM
Subtitle
(
Characters:
16
of 30
)
AUv3 MIDI Effect
Description
(
Characters:
792
of 4000
)
midiFILTr-VF is an Audio Unit v3 MIDI Effect and CoreMIDI capable app that improves the MIDI capabilities of a hardware Volca FM synthesizer. The Volca FM is notorious for having a unique MIDI spec that does not listen to the velocity of incoming MIDI notes. midiFILTr-VF allows you to play notes with velocity as you would expect to by adding a MIDI CC message along with each note that controls the note's velocity. The Audio Unit also allows you to control the MIDI CC parameters of the Volca FM using AU parameters.
This app requires:
A hardware Volca FM synthesizer
A hardware MIDI interface connected to the Volca FM
An Audio Unit host that supports AUv3 MIDI Effects such as AudioBus or AUM is recommended for ease of use, though the app can also be configured with regular CoreMIDI.}
Read more
Other
Additional Information
😢
Deleted from App Store
| Rating: | |
| Voted: | 3 |
| App Store Link: | |
| Price: | 1.99 $ |
| Website: | - |
| Email: | - |
| Privacy Policy: | - |
| Categories: | Music |
| Size: | - |
| App Age: | 8 years 9 months |
| Release Date: | Apr 04, 2017 |
| Last Update: | Sep 04, 2019 |
| Version: | 2.0.0 |
Version history
2.0.0
Sep 04, 2019
Added AUv3 MIDI Effect
Includes support for MIDI CC control of the Volca FM using AU parameters
Future updates to this app will focus on Apple's Audio Unit v3 MIDI Effect format rather than the AudioBus effect format. AUv3s are very well supported by AudioBus so using future versions of the app shouldn't be a problem, but you should probably start choosing to use the AUv3 version in your AB projects for future compatibility
Updated to latest Audiobus
Other misc fixes and updates
5.0.2
Nov 21, 2017
This app has been updated by Apple to use the latest Apple signing certificate.
Updated for iOS 11 and iPhone X