About this app
P252 MDN Diode is a germanium diode bridge compressor created by Pulsar Modular and Marc Daniel Nelson. Nearly two years in the making, it delivers the weight, movement and harmonic character of the rare germanium diode-bridge design - now on your iPhone and iPad. Use it as an AUv3 plug-in in your favorite host (Logic Pro, GarageBand, AUM, Cubasis and more) or as a standalone app processing live sound from your microphone. KEY FEATURES: - Germanium diode bridge compression with program-dependent behavior - RESPONSE TIME and RELEASE controls tuned for musical timing - Ratios from gentle 2:1 up to Limit, plus Linear mode - FF / FB sidechain topology switch - External sidechain input (AUv3) - STOCK / DRIVE transformer voicings and NORM / HEFT weight modes - AIR switch and 3-way analog noise floor - MATCH gain matching for honest A/B decisions - A/B compare with copy, MOD and oversampling - Simpson-style VU metering (RMS in/out) plus dual gain reduction meters - Touch-friendly "Link Threshold & Trim Out" and "Link Trim In & Out" gain staging - Full preset manager with folders, favorites, import and export - Parameter automation in AUv3 hosts Audio is processed entirely on your device - no account, no data collection, no internet connection required.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 6, 2026 · 12:56 AM $19.99