Velocity Filter vs Salome
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Velocity Filter
This audio unit plugin enhances synthesizer patches by making them responsive to MIDI velocity. It can function as a MIDI-controlled filter or volume control, adding natural musicality to non-velocity-sensitive sounds without altering their core tone.
- MIDI velocity to volume/filter conversion
- MIDI-CC and aftertouch control
- High-shelf filter modulation
- Preserves original patch tone
- Batch application to patches
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WHAT IS VELOCITY FILTER? Velocity Filter is the fastest way to make all your synthesizer patches respond to MIDI velocity in a natural and musical way. Just add it to your audio unit effects on the synth track and you are done! WHAT DOES IT DO? It converts non-velocity-sensitive synths sounds into velocity-sensitive ones. Velocity Filter can be configured as either a MIDI-controlled filter or a MIDI-operated volume control. In filter mode, it adds or removes high frequency energy according to the velocity of each MIDI note, so that lower velocity notes sound softer and have less high harmonic content. You can control the amount of boost or cut and the frequency range. In volume control mode, it adjusts the volume according to incoming MIDI velocity. WHAT ELSE DOES IT DO? In addition to MIDI velocity, you can also control the filter using MIDI-CC or aftertouch controls. So you can control it in a variety of ways. HOW IS THIS BETTER THAN EDITING MY SYNTH PATCHES TO MODULATE THE FILTER CUTOFF BY MIDI VELOCITY? Most synthesizers respond to velocity either by modulating the cutoff frequency of a lowpass filter or by modulating the gain. Doing velocity response that way distorts the tone of the patch in an un-musical way, especially if it uses a resonant lowpass filter. Instead of modulating the gain of a lowpass filter, Velocity Filter modulates the gain of a high-shelf filter. The sound is very different, and can be applied on top of the existing filters in the synth patch without destroying the tone of the patch. Also, if you are browsing through a collection of 1000 patches, it's much easier to apply this filter to the output than to modify each and every patch to modulate the filter cutoff with MIDI velocity. However, it's not necessarily "better"; it's just very different. Read the limitations section below for why it's not always better. WHAT LIMITATIONS DOES IT HAVE? All notes go through one filter, so if you play two notes at the same time, with different velocities, it will set the filter for the loudest of the two notes. Also, the filter takes about 1 millisecond to change from loud to soft, so if you quickly switch from loud to soft, you'll hear the filter clamping down AFTER the initial attack. This is problematic for synth patches that have near zero attack time. Velocity Filter does not support GarageBand because GarageBand does not support sending MIDI messages to audio effects. Velocity filter is an audio unit plugin ONLY. It runs inside of host apps such as AUM, Audiobus, Cubasis, Auria, and Beatmaker 3.
Salome
This app lets you record or import sounds, transform them into seamless loops, and play them polyphonically using MPE or MIDI controllers. It offers a fast workflow with onscreen keypads and MPE/MIDI input/output for creative sound manipulation.
- Record or import sounds
- Create seamless loops
- Polyphonic MPE/MIDI playback
- Onscreen MPE keypads
- Latch mode for fader control
- AUv3 plugin for iOS and macOS
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Salome is a tool for recording (or importing) sounds, turning them into seamless loops, and then polyphonically play them using MPE or MIDI. CONTROL: The onscreen keypads can be latched, turning them into 2-dimensional faders for controlling various modulations. Additionally, software and hardware MPE controllers can be used (or normal MIDI, in a pinch). WORKFLOW: The entire process from sampling to playing was designed to be a fast and fluid as possible. Speed > features. UNIVERSAL: AUv3 plugins for iOS (iPhone, iPad) and MacOS (ARM, Intel) are included*. - Full Audio Unit compatibility (note that not all hosts support all AU features) - Built-in MPE keypads for multidimensional onscreen control - MPE/MIDI input and output from the Audio Unit, so you can record your performance or even control other MPE synths - 12 mode filter, based on the Oberheim Xpander design - Latch-mode lets you play the instrument using faders - Basic standalone mode included (for connectivity use the AU plugin) - Record or import sounds (WAV, AIF, MP3) and instantly play them as a polyphonic instrument - Effortless seamless loops using the non-destructive X-Fade feature Find the user manual on ruismaker.com * not all MacOS DAWs fully support Audio Unit plugins. This is not a VST plugin.
Screenshots
Verdict
The clearest difference is rating: Velocity Filter at 5.0 against Salome's 4.7. Velocity Filter also leads on price ($2.99 vs $7.99) and review sentiment (100% vs 83%). Salome's advantage is update cadence (every 9 days vs every 3 weeks) and chart position (#195 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Velocity Filter costs $2.99 and Salome $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Velocity Filter holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 7 and 30 respectively. Written reviews point the same way: 100% of Velocity Filter's written reviews are positive against 83% of Salome's.
Velocity Filter ships an update every 3 weeks, Salome every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Velocity Filter | Salome |
|---|---|---|
| Price | $2.99 — better | $7.99 |
| Rating | 5.0 (7 ratings) — better | 4.7 (30 ratings) |
| Positive reviews | 100.0% of reviews — better | 83.3% of reviews |
| Number of ratings | 7 | 30 — better |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #195 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 13 |
| Further details — not scored | ||
| Size | 15 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Mangoo Consulting Company Limited | Bram Bos |
Customer experience
Velocity Filter
Salome
In-app purchases
Velocity Filter
No in-app purchases
Salome
No in-app purchases









