MarcX Studio

Mobile Product Studio

MarcX Studio

MarcX Studio builds focused mobile products with simple flows, fast interfaces, and everyday utility.

Loyalty card wallet

RooCards

RooCards helps you store loyalty cards, store cards, rewards cards, memberships, barcodes, and QR codes, then open the right card faster from the app, widgets, Spotlight, Apple Wallet, or a clean scan-ready display.

  • Store loyalty, store, rewards, and membership cards with clean barcode and QR code display.
  • Use fast access surfaces including card-grid widgets, scan-ready barcode and QR widgets, Spotlight, and Apple Wallet for eligible cards.
  • Add cards by scanning, manual entry, or bulk import from saved screenshots.
Loyalty card wallet app home screen Clean barcode and QR code display for scanning loyalty cards Import loyalty card details from photos

Spelling Practice App

Snap Spell

Snap Spell turns real school word lists into read-aloud spelling practice with Apple voices, progress tracking, PDFs, profiles, and iCloud backup.

  • Scan, import, paste, or type school word lists.
  • Hear each spelling word during practice.
  • Track practice progress on device.
Snap Spell spelling practice app showing a saved school word list with speaker buttons and progress statuses. Snap Spell review screen for recognized school spelling words before saving a practice list.

English number listening practice

NumListen

Practice hearing English numbers and typing the digits. Train teen vs ty, phone numbers, prices, dates, codes, decimals, and percentages in NumListen.

  • Practice teen vs ty, basic numbers, phone numbers, prices, dates, codes, decimals, and percentages.
  • Hear spoken numbers and type digits with format-specific templates.
  • Use replay, Show Answer, settings, and lightweight progress tracking.
NumListen screenshot showing the practice type selection screen for English number listening drills. NumListen screenshot showing a digit-entry practice screen for spoken English number listening. NumListen screenshot showing the app progress and category performance view.
Auto Ducking screenshot showing a Mac menu bar control panel lowering background audio while the microphone is active. Auto Ducking screenshot showing mic active, audio lowered, volume restored, and fade control settings.

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.

MarcX Studio

For app support, privacy questions, or product feedback, contact MarcX Studio.