App Overview

Doorzo – Buy & Bid from Japan icon

Doorzo – Buy & Bid from Japan

SIG Service 株式会社 · Shopping

Shop Japan, ship worldwide.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
778 ratings · Top 5%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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Combine features and design from your favorite apps.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Doorzo – Buy & Bid from Japan: map the core Shopping workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Provide a wider range of shipping carriers.

Assumption to check: Limited international shipping options

Validate with people who use this workflow before building.

Hypothesis 2

Implement a live chat support feature.

Assumption to check: Slow customer service response times

Validate with people who use this workflow before building.

Hypothesis 3

Enhance product details with better descriptions and images.

Assumption to check: Lack of detailed product descriptions

Validate with people who use this workflow before building.

Hypothesis 4

Simplify the return process with clear guidelines.

Assumption to check: Complicated return process

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Shop Japan, ship worldwide. Doorzo is your all-in-one proxy for Japanese e-commerce — buy from auction sites, secondhand markets, and online stores without knowing Japanese. Anime, figures, fashion, electronics, beauty, collectibles — all shipped globally via Doorzo's own logistics network. Doorzo supports 70+ Japanese e-commerce and auction platforms with real-time product listings. Supported platforms include: - Mercari - Mercari Auctions - Amazon Japan - Rakuten - Rakuten Rakuma - Book Off - Lashinbang - JDirectItems Auction - JDirectItems Fleamarket Global Japan Shopping Logistics Solutions - Doorzo offers multiple international shipping options to deliver Japanese products safely anywhere in the world. - Enjoy 60 days of free storage, followed by an additional 30 days of paid storage after the free period ends. - Support for consolidating multiple orders into a single shipment to reduce package size and lower shipping costs. Multiple International Shipping Options - Doorzo Air: Fast, ideal for small and lightweight packages - Doorzo Taiwan Express: Stable and cost-effective, dedicated to Taiwan - DHL: International express, fast and reliable - FedEx: Strong customs clearance, suitable for mid-to-high value packages - UPS: Reliable, ideal for large shipments - ECMS: Economy channel, suitable for low-value packages - Japan Post EMS: Official channel, extensive coverage - Japan Post Air Freight / Sea Freight: Air is faster, and sea freight saves more on shipping - EPL: For a smaller package US DDP Duty Pre-Paid Shipping - Provides DDP Duty Pre-Paid delivery service for the US region, with customs clearance, duties, and delivery handled all at once. Doorzo comes with multiple smart features to make Japanese shopping easier: - AI Auto-Translation: Automatically translates Japanese product pages so you can browse listings effortlessly without knowing Japanese. - AI Image Search: Simply upload a photo to search for the product you want. Doorzo supports multiple international payment methods — secure and convenient, with multi-currency and real-time exchange rates. Supported payment methods include: - PayPal, Credit Card, Apple Pay, Google Pay, Alipay, WeChat Pay, GCash, Rabbit LINE Pay, Kakao Pay, NAVER Pay, JKOPay, TrueMoney Wallet, DANA, Boost, TNG eWallet, Aftee Doorzo offers a range of value-added services to make cross-border shopping more reassuring. - Doorzo Authenticate is an official product authentication service supporting trading cards, sneakers, apparel, luxury goods, and more. - Item Inspection, with real product photos and X-ray scanning to verify item condition. - Electronics Check, supporting power-on testing for secondhand electronics. - Free New Box: When the original packaging isn't sturdy enough, we'll upgrade it for free to a custom Doorzo logistics box made in Japan for safer transit. - No Empty Box: Items are manually inspected during warehouse intake — if an empty box is detected, intake is halted immediately. - Precise Weight: Items are re-weighed before dispatch, and any overcharged shipping fees are automatically refunded. Doorzo provides multilingual customer service: - Chinese (Simplified / Traditional) - English - 日本語 Why Choose Doorzo? - One-stop search across 70+ Japanese platforms - Supports automatic proxy bidding on Japanese auctions - 60 days of free storage - Worldwide logistics and delivery - AI translation for a language-barrier-free shopping experience - Multiple international payment methods - Professional customer support team Start Your Japan Shopping Journey! Download Doorzo and easily shop for Japanese anime, figures, trading cards, fashion, electronics, and vintage collectibles.

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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BUILD KIT DIFFICULTY
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From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.