Protokol - MIDI/OSC Monitor
Hexler LLC Music iPhoneiPadiPod touch
Protokol - MIDI/OSC Monitor is a free Music app for iPhone and iPad by Hexler LLC. Rated 4.6/5 from 16 ratings. Requires iOS 13.0.
- Rating
- 4.6
- 16 ratings
- Price
- Free
- on the App Store
- Size
- 7 MB
- Age 4+
- Updated
- Sep 23
- 2026 · v0.6.7
Screenshots
About Protokol - MIDI/OSC Monitor
MIDI logging, OSC monitoring, and more... Protokol is a new utility by Hexler for the creator's toolbox: A lightweight, responsive console app for monitoring and logging control protocols. Originally built as a MIDI monitor and Open Sound Control network checker, Protokol is designed to handle any complex message stream. MIDI, OSC, Art-Net and Gamepad controller sources are all supported in the current version - but anything is possible given sufficient demand. Contact us if you'd like to see additional protocols added: Let us know.
Ratings & reviews
4.6
16 ratings
What’s new
Version 0.6.7 · Updated September 23, 2026
- User interface improvements - Updated game controller mapping database - Minor bug fixes and improvements
App privacy
The developer, Hexler LLC, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Analytics, App Functionality
Alternatives to Protokol - MIDI/OSC Monitor
Looking for apps like Protokol - MIDI/OSC Monitor? Here are 6 similar apps on the App Store. The highest rated is WiDI MIDI Studio (5.0/5), and all 6 are free to download.
| App | Rating | Price | Last updated |
|---|---|---|---|
| Protokol - MIDI/OSC Monitor | 4.6 / 5 (16 ratings) | Free | September 23, 2026 |
| MIDI Scope | 4.8 / 5 (21) | Free | Jun 18, 2026 |
| ShowMIDI | 4.8 / 5 (18) | Free | Jul 10, 2024 |
| Lemur | 3.1 / 5 (14) | Free | Aug 30, 2026 |
| MIDI Designer Pro X | 4.6 / 5 (270) | Free | Sep 18, 2026 |
| WiDI MIDI Studio | 5.0 / 5 (2) | Free | Aug 8, 2024 |
| midimittr | 4.5 / 5 (53) | Free | Sep 15, 2025 |