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

Track metrics, habits, and logs with custom fields and visual trends.

  • Custom templates and charts
  • iCloud sync and widgets
  • Export to CSV
App Store Learn More
DR

Date Recorder

Capture the little moments

Capture everyday events and important moments with quick recording.

  • Quick record and organize
  • Tag system and calendar view
  • Easy editing and management
App Store Learn More
CB

Color Board

Big Text & Pure Colors

Turn your device into a bold display with pure colors and big text.

  • Pure color boards and big text
  • Customizable colors and fonts
  • Twinkle mode effects
App Store Learn More
PC

Password Cube

Secure & Simple Password Manager

Secure password manager with clean organization and biometric protection.

  • Secure vault with tags
  • Password generator
  • Face ID / Touch ID protection
App Store Learn More
VP

Video Protector

Private Video Vault

Private video vault with biometric protection and smooth playback.

  • Face ID / Touch ID lock
  • Import and record videos
  • Built-in player and management
App Store Learn More
TF

Tiny Ftp Client

Easy FTP/SFTP client

Simple FTP/SFTP client for file management and transfers.

  • FTP and SFTP support
  • File upload and download
  • Built-in preview browser
App Store Learn More
SL

SmartLoop Timer

Next-generation stopwatch

Next-generation stopwatch for repeating time cycles with custom intervals.

  • Custom loops with multiple segments
  • Automatic repetition and tracking
  • Sound alerts and themes
App Store Learn More
AU

All-in-One Units

Lightweight unit converter

Lightweight unit converter for fast, accurate everyday conversions.

  • 8 major unit categories
  • Offline operation
  • Real-time conversion and favorites
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].