// Crux Resolve LLC · Series GhostTune
Tune your MicroSquirt® from your iPhone.
No laptop. No cable.
An independent iOS tuning app and its WiFi hardware companion — built for the garage, the dyno, and anywhere a laptop gets in the way. Verified on MS2/Extra 3.4.4.
// Independent application
GhostTune
ECU tuning for iPhone and iPad with table editing, live data, tune management, diagnostics, and guarded ECU writes.
Production validation complete · App Store preparation// Hardware
GhostBridge
An assembled WiFi-to-RS232 bridge designed and verified as the wireless hardware companion for GhostTune.
Available now · $89// Follow GhostTune
See new demos, release updates, and product progress.
Follow the official Crux Resolve accounts for GhostTune feature demonstrations, App Store updates, and product announcements.
// About
Purpose-built tools, direct support.
Crux Resolve LLC is an Illinois business building professional-grade EFI tuning tools for mobile devices. Questions about compatibility, ordering, privacy, or support are answered directly.