Privacy-first apps and tools that simplify your day

FeatherQuantum Software Studio designs and builds focused, privacy-first apps and tools. From tracking daily metrics to capturing dates that matter, our products are fast, reliable, and delightful.

Explore Our Apps Work With Us
No ads. No trackers. Just well-crafted, privacy-first software.
FQ
FeatherQuantum Software Studio
iOS Utilities, Built With Care
  • • Swift and SwiftUI native apps
  • • iCloud sync and offline-first design
  • • Accessible, localized, and battery-friendly

Featured Apps

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DDT

Daily Data Tracker

Track metrics, habits, and logs

Create custom fields, visualize trends, and set reminders. Perfect for health, study, workouts, finance, and more.

  • Custom templates and tags
  • Charts and export to CSV
  • iCloud sync, widgets, Shortcuts
App Store Learn More
DR

Date Recorder

Capture the little moments

Quickly jot down everyday events and remember small but important moments. Organize by tags and review by calendar.

  • Quick record
  • Organize with tags
  • Calendar view
  • Add, edit, or delete anytime
App Store Learn More
CB

Color Board

Big Text & Pure Colors

Turn your device into a bold display. Create pure color boards or show big, clear text for presentations, events, or simply grabbing attention.

  • Create pure color boards on iPhone and iPad
  • Display big, customizable text
  • Choose any background or text color
  • Twinkle mode for flashing color effects
  • Adjustable font size and speed settings
App Store Learn More
PC

Password Cube

Secure & Simple Password Manager

Keep your accounts safe and organized. Store, generate, and manage passwords with a clean, easy workflow.

  • Secure vault for accounts, notes, and tags
  • Tag management for quick organization
  • Password generator with custom length and rules
  • Backup and restore your data
  • Protect access with Face ID or Touch ID
App Store Learn More
VP

Video Protector

Private Video Vault

Keep private videos safe with Face ID / Touch ID lock, automatic thumbnails, and smooth playback in a simple, clean UI.

  • Face ID / Touch ID lock
  • Import from camera roll or record
  • Automatic thumbnail generation
  • Built-in player with full screen
  • Local storage only; rename, delete, export
App Store Learn More
TF

Tiny Ftp Client

Easy FTP/SFTP client

Simple, reliable FTP/SFTP for managing and transferring files on iPhone and iPad.

  • FTP and SFTP support
  • Manage multiple server accounts
  • Upload and download files
  • Create folders and manage directories
  • Built-in browser with previews (images, PDF, Office, iWork)
App Store Learn More

We build privacy-first apps end-to-end

From concept to App Store, we craft focused tools that respect user time and privacy.

Product and UX
Research, wireframes, and interaction design for clarity.
Native Development
Swift, SwiftUI, and modern iOS frameworks.
Quality and Testing
Automated tests, TestFlight, and crash monitoring.
Launch and Growth
App Store distribution, ASO, and ongoing updates.
Highlights
  • Privacy by default - we avoid analytics and trackers unless explicitly required.
  • Offline-first experiences with seamless iCloud sync.
  • Accessibility, VoiceOver, and Dynamic Type support.
  • Performance tuned for older devices and long battery life.

Projects

AD

Anime Database

Anime data and discovery

A fast, searchable catalog for anime titles, characters, and staff. Built with a privacy-first mindset and a lightweight stack.

  • Clean, responsive UI
  • Fast search and browsing
  • Privacy-friendly, no tracking
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About

We currently feature a single project: Anime Database.

Let us build your next utility

Have an idea or need help shipping an iOS app? We are available for select collaborations.

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Feedback

Prefer email? Email us at [email protected].