App Overview

iFMS icon

iFMS

Michael Feyter · Navigation

Make your Flight Simulator experience a more realistic one.

$15.99 · In-app purchases

PRICE
$15.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.1
14 ratings · Below Average

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 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 iFMS: map the core Navigation 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

Create a cleaner, more intuitive layout with simplified navigation.

Assumption to check: User interface can be confusing and cluttered.

Validate with people who use this workflow before building.

Hypothesis 2

Enhance offline capabilities for better user experience.

Assumption to check: Limited offline map functionality.

Validate with people who use this workflow before building.

Hypothesis 3

Optimize performance for a wider range of devices.

Assumption to check: Frequent crashes on older devices.

Validate with people who use this workflow before building.

Hypothesis 4

Improve transparency in subscription options and benefits.

Assumption to check: In-app purchases are not clearly explained.

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

Make your Flight Simulator experience a more realistic one. iFMS will provide you with a nearly fully functional "Boeing style" Flight Management System, A Primary Flight Display, Navigation Display and a number of 2 or 4 engine EICAS displays on your iPhone, iPad or iPod. Build your very own home cockpit using only a few mobile devices and connect to any of the popular Flight Simulators over your local network. iFMS can be configured for use with almost any of your favorite Flight Simulator's standard or add-on aircraft. A number of default aircraft configuration files are included but you can easily make your own and download them to your iFMS through iTunes. The FMS display and functionality simulates the "Boeing style" Flight Management System accurately. Apart from all the standard flight planning and tracking functionality, all the more complex functions such as hold programming, custom waypoint programming by coordinates, heading/distance calculation or waypoints radial/intersection calculation and abeam route waypoint calculations are available as well, along with much, much more. iFMS also includes an LNAV/VNAV engine which will control your aircraft's autopilot to fly the programmed LNAV/VNAV route. iFMS uses Wi-Fi to connect to your favorite Flight Simulator over your local network, alternatively iFMS can also use the device GPS (if present) as a data source, you can be a passenger in the car and practice your FMS programming skills. Be aware though, iFMS cannot be used for real world aviation navigation as this is strictly against the terms of use of this product. iFMS can be configured for use with almost any of your favorite Flight Simulator's standard aircraft and most add-on aircraft, a number of default aircraft are included but you can easily make your own on your computer and transfer them to iFMS through iTunes. Features summary: - Realistic Flight Planning/Tracking/Navigation - Boeing style Flight Management System - Boeing style Primary Flight Display - Boeing style HSI or NAV Display - Various 2 or 4 engine EICAS Displays - LNAV & VNAV calculation and MCP programming - LNAV/VNAV engine to control the aircraft autopilot - Configurable aircraft - Use your own created aircraft files - Loading and saving of flight plans - Compatible with Apple iPhone, iPod and iPad - Single portrait or side by side landscape view - Updatable navdata through Navigraph Compatibility: FMS will run on the following devices: - iPad (3rd generation or later) - iPad Mini/Air/Pro - iPhone (4th generation or later) - iPod Touch (4th generation or later) iFMS is compatible to run with: - Microsoft Flight Simulator 9 (using FSUIPC) - Microsoft Flight Simulator X - Prepar3D 2.X - Prepar3D 3.X - Prepar3D 4.X - X-Plane (Windows and OSX) - Stand-alone (GPS driven) Please visit http://www.ifms-fs.com for more details about iFMS, supported flight simulator packages and how to connect iFMS to them.

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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.