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Capabilities · Disciplines · Outcomes

Services that scale.
Craft that endures.

From research to release, we provide end-to-end engineering, design, privacy, and product services — calibrated for the European and American markets.

Technical R&D Design Privacy App Store Localization

Built on engineering rigor.

Cross-platform native development, audio-visual DSP, programmatic generation engines, and high-performance local architectures.

iOS / macOS Native

Swift, SwiftUI, Objective-C. Deep platform integration, Metal shaders, Core Audio DSP, and AppKit / UIKit mastery. We ship apps that feel native because they are.

Programmatic Audio Synthesis

Custom DSP engines, real-time audio processing, generative sound design. From sample-accurate synthesis to procedurally-generated music.

Procedural Generation

Algorithms that produce infinite, organic, and personalized output — replacing static templates with systems that feel alive and unique to every user.

Local-First Architecture

Core Data, SQLite, GRDB, encrypted local stores. Offline-first by design — your users' data lives on their devices, encrypted at rest.

Performance Engineering

Instruments profiling, memory budget management, lazy loading, and async pipelines. Smooth 120Hz experiences even on year-old devices.

Quality & Test Automation

XCTest, UI testing, snapshot testing, CI/CD pipelines, and structured release gating. Reliability is a feature, not an afterthought.

Where art meets function.

Visual systems, motion choreography, micro-interactions, and the zen-like restraint that turns software into a companion.

Visual Design Systems

Type scales, color tokens, spacing systems, motion vocabulary. We build design systems that scale — so every new feature feels consistent from day one.

  • Typography & color systems
  • Component libraries
  • Iconography & illustration
  • Dark mode & theming

Motion & Micro-interactions

Every tap, drag, and transition earns its weight. We choreograph motion to feel inevitable — guiding attention without ever calling attention to itself.

  • Spring-physics animations
  • Gesture-driven interfaces
  • Page transitions & choreography
  • Haptic feedback patterns

Information Architecture

We map complex domains into calm, scannable structures. From contract verification workflows to music practice tracking — clarity is a feature.

Accessibility & Inclusion

VoiceOver support, Dynamic Type, color contrast audits, keyboard navigation. Designing for the full spectrum of human ability — without compromise.

Privacy is architecture, not policy.

We don't bolt privacy on at the end. It's woven into the foundations of every product — local-first, encrypted, transparent.

"If the data never leaves the device, the device becomes the perimeter." — wangchenggroup design principle

On-Device Encryption

AES-256 with keys held in Secure Enclave. User data stays encrypted even at rest — and never crosses the network unless explicitly required.

Zero Cloud by Default

Our products are offline-first by default. Sync is opt-in, end-to-end encrypted, and never the only path to access user data.

Compliance by Design

GDPR, CCPA, COPPA, PIPL, LGPD — every product ships with documentation, age-gating, consent flows, and data export tools baked in.

Transparent Tracking

We never track across apps, never fingerprint devices, and never sell user data. Our analytics are aggregated, opt-in, and disclosed in plain English.

Data Portability

Export everything in standard formats. Delete in one tap. We believe ownership means portability — your data, your call, your timeline.

Audit Trails

Every privacy-relevant action is logged locally — visible to the user. We don't hide the seams; we celebrate the transparency.

Our product matrix.

Twelve published apps spanning contracts, photography, music, finance, wellness, and craft — all live on the App Store.

Productivity · Contracts

ContractCheck

Lightweight contract verification utility — locally processed, no upload required. Quick checksum validation, signature verification, and integrity assurance.

Photography · Color

FilmGrade Local

Film & photo local color grading engine — pro-grade LUTs, curves, and split-toning all on-device. Cinema-quality color for every photographer.

Music · Practice

PracticeMeter

Track practice hours for any instrument. Build streaks, visualize progress, and connect with practice partners — all without an account.

Finance · Side Hustle

SideHustle Ledger

Side income tracking & analytics for creative freelancers and gig workers. Tax-ready reports, multi-currency, and project-based P&L.

Wellness · Habits

RestRhythm

Personal health & rest ledger — gentle nudges to build sustainable daily rhythms. Sleep, exercise, and mindful breaks, all stored locally.

Craft · Inventory

StudioStock

Handcraft & studio material inventory management. Track supplies, costs, vendors, and reorder points — built for makers.

Built for global launch.

Compliance-aware builds for European and American markets — every policy, every rating, every consent flow handled.

🇪🇺 GDPR & ePrivacy

Lawful basis processing, right-to-erasure workflows, data portability exports, consent management, DPO contact information, and Privacy by Design documentation.

🇺🇸 CCPA / CPRA

California Consumer Privacy Act compliance — opt-out of sale, do-not-sell links, consumer rights request handling, and verifiable consumer requests workflow.

🇺🇸 COPPA

Children's Online Privacy Protection Act — verifiable parental consent, age gating, restricted data collection, and safe harbor provisions for under-13 users.

🇨🇳 PIPL & 🌍 LGPD

Personal Information Protection Law (China) and Lei Geral de Proteção de Dados (Brazil) — cross-border transfer assessments and consent records.

🇪🇺 DSA & DMA

Digital Services Act and Digital Markets Act — transparency reports, content moderation disclosures, and interoperability considerations.

📱 App Store Compliance

App Store Connect age ratings, privacy nutrition labels, IDFA / ATT compliance, in-app purchase disclosure, and regional store availability management.

A disciplined process.

Six phases, each gated by review. Predictable timelines, transparent pricing, no surprises.

PHASE 01

Discovery & Audit

Stakeholder interviews, competitive analysis, technical audit. We align on goals, constraints, and success metrics before writing any code.

PHASE 02

Architecture & Design

System architecture, design system, prototypes. We make the big decisions explicit and reversible before they become expensive.

PHASE 03

Build & Iterate

Bi-weekly demos, continuous integration, automated testing. You see working software from week one — not slides about software.

PHASE 04

Privacy Review

Dedicated privacy audit at every milestone. Threat modeling, data flow review, and compliance documentation updated in lockstep.

PHASE 05

Launch & Compliance

App Store submission, regional configuration, store metadata, and post-launch monitoring with defined SLAs and rollback plans.

PHASE 06

Operate & Evolve

Crash analytics, performance monitoring, user feedback loops, and roadmap refinement. We stay engaged for the long arc.

Ready to start a project?

Tell us about your goals. We'll respond within one business day with a clear path forward.

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