JS Jiyuu Studios iOS app design and development
Independent app company

Mobile products with taste, structure, and staying power.

Jiyuu Studios designs, builds, and operates focused iPhone software. We care about clear product framing, polished interfaces, and systems that hold up after launch.

Product-first Strategy, design, engineering, and monetization in one loop.
Built for iPhone Native app flows, share extensions, subscriptions, and App Store launch work.
Operating focus We think beyond screens: analytics, retention, support, and legal readiness.
Featured work

TravelPin is built around a simple idea: travel inspiration should not disappear into saved folders.

The product turns scattered discoveries into a useful travel system, with native iPhone flows designed for capture, organization, and planning.

TravelPin

From social feed to structured trip.

TravelPin captures locations from the apps people already use, organizes them visually, and layers in AI tools that help shape a real itinerary.

  • Save places directly from Instagram and TikTok with the iOS share sheet.
  • Sort pins into a map and collection system that feels editorial instead of chaotic.
  • Use AI-assisted route planning to build trips from saved locations.
01

Capture

One-share import flow built for fast saving without leaving the feed.

02

Organize

Maps, categories, notes, and clean location structure instead of generic bookmarks.

03

Plan

AI itinerary support and monetized premium features wrapped in a hard paywall model.

Approach

We build like operators, not just screen decorators.

The work spans product framing, visual systems, subscription flows, legal readiness, and the unglamorous details that decide whether an app actually launches well.

Product strategy

Define the sharp use case first, then shape the app around behavior that repeats.

Native design

Create interfaces that feel deliberate on iPhone instead of generic cross-platform templates.

Monetization systems

Wire onboarding, hard paywalls, trials, retention offers, and support/legal pages into one flow.

Principles

Small team, strong standards.

01

Clarity over feature sprawl

We prefer one strong reason to return to an app over a long list of half-finished capabilities.

02

Details are product work

Subscription logic, support handling, data policy, and App Store compliance are part of the experience.

03

Ship, then refine

We move toward production quickly, then harden the system where users actually feel friction.

Legal and support

Everything public-facing in one place.

Jiyuu Studios publishes the essential pages for TravelPin here, including privacy, support, and terms.