Privacy-first mobile app studio
MarcX Studio
MarcX Studio builds focused mobile products with clear utility, fast interfaces, and privacy-first defaults.
Card wallet
RooCards
RooCards keeps store cards, loyalty cards, membership cards, barcodes, and QR codes ready on iPhone or Android.
- Use one wallet for store cards, rewards cards, membership cards, barcodes, QR codes, and occasional passes.
- Open the right card quickly when you are at checkout, checking in, or showing a membership code.
- card import: screenshots
Read Aloud Practice
Snap Spell
Snap Spell turns real school spelling lists into read-aloud practice for home, classroom, tutoring, and ESL/EFL study.
- Scan, import, paste, or type school word lists.
- Hear each spelling word during practice.
- Track practice progress on device.
Mac audio utility
Auto Ducking
Auto Ducking lowers Mac background volume when your microphone becomes active, then restores it automatically when microphone use ends.
- Lowers Mac system volume when your microphone becomes active.
- Restores the previous volume automatically when microphone use ends.
- Adds presets, app rules, fade timing, hotkeys, and output-device memory.
MarcX Studio
Focused mobile apps
MarcX Studio builds focused mobile products with clear utility, fast interfaces, and privacy-first defaults.
Focused mobile apps
MarcX Studio builds focused mobile products with clear utility, fast interfaces, and privacy-first defaults.
privacy-first
RooCards keeps the card-wallet job lightweight, with no required login before you can start.
feature
Open the right card quickly when you are at checkout, checking in, or showing a membership code.