MIDI FX PRO vs pocketOSC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MIDI FX PRO
This app is a powerful MIDI workstation for iOS and Mac, allowing users to control and process MIDI signals. It offers features like harmonization, transposition, arpeggiation, and sequencing for external or virtual synths. It also includes internal instruments and effects for mobile music creation.
- MIDI signal processing
- Harmonize, Transpose, Arpeggiate
- Sequencer for synths
- Delay/looper
- Internal instruments (drums, piano, synth)
- Filter notes by velocity
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Buy once and get the iOS and Mac apps (with Family Sharing) This is the Unlocked Version of MIDI FX. You can buy this version instead of unlocking the free one through IAP Control your MIDI signals and process them in any combination of ways: Harmonize, Transpose, Arpeggiate, etc... Or use the Sequencer to play any external or virtual synth. Use a MIDI interface to unlock the power of the app to control multiple synths with one keyboard, play one note and generate chords, basslines, etc... Use the delay/looper or filter notes based on velocity or other parameters to send to different synths/effects. A MIDI workstation in your pocket (or your iPad/Mac) You can also use some internal instruments (drums sampler, piano or synth) if you are away from your MIDI gear, and sequence whole songs inside the app, or use other synth apps as input/output for MIDI FX. Your imagination is the limit!
pocketOSC
This versatile audio tool generates various waveforms like Sine, Square, Saw, and Noise. It includes an oscilloscope and controls for wave, frequency, and volume, functioning as a plug-in or standalone application.
- Stereo capable oscillator
- Oscilloscope display
- Waveform generation (Sine, Square, Saw, Noise)
- Frequency and Volume control
- VST3, AU, AUv3 support
- Standalone operation
- Resizable and automatable GUI
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pocketOSC is a macOS, Windows, and now iOS compatible stereo capable oscillator. Designed for VST3, AU, AUv3, and stand-alone use. Complete with oscilloscope and controllable Wave, Frequency, & Volume. Test all your gear with Sine, Square, Saw, and Noise, oscillators. Plug-in GUI resizable and automatable parameters designed to recall with your various sessions. *Stand-alone allows for external audio device.
Screenshots
Verdict
The clearest difference is price: pocketOSC at $0.99 against MIDI FX PRO's $9.99. pocketOSC also leads on iOS requirement (12.0 vs 14.7). MIDI FX PRO's advantage is update cadence (monthly vs every 12 months). On rating, ratings volume, ads and in-app purchases 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
MIDI FX PRO costs $9.99 and pocketOSC $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for MIDI FX PRO against 5.0 for pocketOSC. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
MIDI FX PRO ships an update monthly, pocketOSC every 12 months. Both last shipped on November 3, 2026.
| Parameter | MIDI FX PRO | pocketOSC |
|---|---|---|
| Price | $9.99 | $0.99 — better |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | 2 |
| Update frequency | Monthly — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.7 | 12.0 — better |
| Further details — not scored | ||
| Size | 263 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Jorge Arroyo | OSC Audio |
Customer experience
MIDI FX PRO
pocketOSC
In-app purchases
MIDI FX PRO
No in-app purchases
pocketOSC
No in-app purchases
