App Overview

Japan Airlines icon

Japan Airlines

Japan Airlines Co., Ltd. · Travel

The JAL app is now available for all flights and for both JMB and non-JMB members

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.6
14,375 ratings · Top 15%

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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What's included18 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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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 Japan Airlines: map the core Travel 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

Implement a more streamlined, guided booking flow.

Assumption to check: Complicated booking process can lead to user frustration.

Validate with people who use this workflow before building.

Hypothesis 2

Enhance filtering and sorting capabilities for better user experience.

Assumption to check: Limited filtering options for flight results.

Validate with people who use this workflow before building.

Hypothesis 3

Add an in-app messaging feature for customer support.

Assumption to check: In-app messaging is lacking or non-existent.

Validate with people who use this workflow before building.

Hypothesis 4

Optimize data fetching to improve load times.

Assumption to check: Slow load times for flight status updates.

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

The JAL app is now available for all flights and for both JMB and non-JMB members. Please download the JAL app to make reservations and purchases for all flights. <Main functions> 1.Home screen Display of reservation Reservations for flights will be displayed on the home screen. *Flight status will be displayed for flights up to the next day. Information of JMB member is displayed (when logged in). 2.Reservations You can make reservations for all flights. 3.Timeline By tapping the flight information on the home screen or My Booking, you can view more detailed information about your itinerary in chronological order according to your reservation and flight status. The display will automatically change according to the time and number of days until departure. 4.Flight Status You can check the flight status by route or flight number. For international flights, you can search for two days before or after. 5.Notification of flight status and reminder of reserved flights You can receive notifications of delays and cancellations, as well as reminders for flights that are less than 24 hours away from departure. If you have not updated the latest information in the app, or if you are using the app in an environment where the network is not connected for a long time, you may not receive Apple Inc. and Apple Japan Inc. are not involved in any way with the gift information posted on this app. Apple Inc and Apple Japan Inc. are not responsible for any damage caused by the use of the campaign information provided.

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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
Advanced

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.