Privacy-First Product Studio

Utility apps that stay fast, focused, and respectful of user privacy

FeatherQuantum builds practical tools for daily workflows. No ad networks, no invasive tracking, and no unnecessary noise.

Privacy by default with minimal data collection
Native iOS quality with selective Android support
Offline-first behavior and lightweight performance

What You Can Expect

Since 2010
10+
Public products
iOS 12+
Battery-aware design
  • Swift and SwiftUI native craftsmanship
  • Accessibility and localization built in
  • Clear support channel via direct email
10 Products
Across productivity, security, utility, and creator tools.
Privacy-First
No ad SDKs. No tracking pixels by default.
Direct Support
Fast follow-up through [email protected].
Product Lineup

Featured Apps

Primary products are shown first for quick scanning. Additional tools stay available below without overwhelming first view.

Daily Data Tracker icon

Daily Data Tracker

Track metrics, habits, and logs
Popular iOS Android Web

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

  • Custom templates and charts
  • iCloud sync and widgets
  • Export to CSV
Photo Date&Time icon

Photo Date&Time

Add timestamp labels to photos
New iOS

Automatically add date and time labels to photos while keeping full resolution.

  • Custom label position
  • Font and color options
  • Auto-save to photo library
Password Cube icon

Password Cube

Secure and simple password manager
Popular iOS Android

A secure password vault with biometrics and clean organization.

  • Secure vault with tags
  • Built-in password generator
  • Face ID and Touch ID protection
Color Board icon

Color Board

Big text and pure colors
Classic iOS

Turn your device into a high-visibility board with pure colors and bold text.

  • Pure color boards
  • Customizable colors and fonts
  • Twinkle mode effects
VP

Video Protector

Private video vault
Classic iOS

Store and play private videos with biometric protection.

  • Face ID and Touch ID lock
  • Import and record videos
  • Built-in player
Tiny Ftp Client icon

Tiny Ftp Client

Easy FTP and SFTP client
Classic iOS

Simple FTP/SFTP client for lightweight file management and transfers.

  • FTP and SFTP support
  • Upload and download
  • Built-in preview browser
NoEscape Focus icon

NoEscape Focus

Minimal but strict focus app
New iOS

Start a focus session that fails if you switch apps or lock the phone.

  • Strict focus mode
  • Full-screen progress tracking
  • No to-do list overhead
SL

SmartLoop Timer

Next-generation stopwatch
New iOS

Build repeating loops with multiple time segments and smart alerts.

  • Custom loops with segments
  • Automatic repetition
  • Sound alerts and themes
DR

Date Recorder

Capture the little moments
Classic iOS

Capture everyday events and important moments with quick recording.

  • Quick record and organize
  • Tag system and calendar view
  • Easy editing and management
AU

All-in-One Units

Lightweight unit converter
New iOS

Fast and accurate everyday conversions with an offline-first design.

  • 8 major unit categories
  • Offline operation
  • Real-time conversion and favorites
Studio Services

From idea to App Store release

For selected collaborations, we provide end-to-end delivery on utility-focused iOS products.

Product and UX

User research, wireframes, and focused interaction design.

Native Development

Swift, SwiftUI, and modern Apple platform frameworks.

Quality and Testing

TestFlight workflows, QA pipelines, and runtime reliability checks.

Launch and Updates

App Store publishing, release ops, and continuous iteration.

Privacy Commitment

Our baseline policy is simple: build useful software first, collect less data, and be explicit about what is stored.

  • No advertising networks in core utility apps.
  • No hidden trackers in product experiences.
  • Minimal and purpose-limited telemetry only when necessary.
Case Study

Anime Database

A lightweight web product focused on fast discovery and clean browsing, built with the same privacy-first principles.

What We Shipped

  • Responsive interface for desktop and mobile browsing
  • Fast search and category navigation
  • Clean information hierarchy with no tracking pop-ups
Visit Anime Database

Best Fit Clients

Teams building focused utilities and content tools that value long-term maintainability over growth hacks.

Contact

Build your next utility with us

Tell us your app idea, target users, and timeline. We will reply with scope feedback and next steps.

Quick Answers

Do you do white-label builds?
For selected utility products with clear ownership and roadmap.

Can you optimize existing apps?
Yes, including UX cleanup, SwiftUI migration, and performance tuning.

How to start?
Send a concise brief to support email and we will follow up.

Support

Send Feedback

Use email for urgent issues or open the embedded form below.

[email protected]