App Overview

My ROM icon

My ROM

Carlos Balsalobre · Sports

***Dorsiflex is now My ROM***

$14.99 · In-app purchases

PRICE
$14.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
17 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 My ROM: map the core Sports 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

Add support for popular fitness wearables.

Assumption to check: Limited integration with third-party devices (e.g., heart rate monitors)

Validate with people who use this workflow before building.

Hypothesis 2

Implement a feature to share workouts on social media.

Assumption to check: Lack of social sharing features

Validate with people who use this workflow before building.

Hypothesis 3

Enhance GPS accuracy and reliability.

Assumption to check: Inconsistent performance tracking

Validate with people who use this workflow before building.

Hypothesis 4

Create a community section for users to connect and motivate each other.

Assumption to check: No community features for motivation

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

***Dorsiflex is now My ROM*** My ROM is the first scientifically designed app to measure the range of motion (ROM) of your joints. Used by thousands of physiotherapists and coaches around the world, My ROM can measure the ROM of the following joints thanks to the advanced 3D gyroscope of your device: -Ankle dorsiflexion -Neck flexion & extension -Internal rotation and flexion of the hip and the shoulder -Moreover, you can even create your own tests! You just need to place your iPhone or iPad on your body following the instructions, and the gyroscope of your device will calculate your ROM angle in a simple and accurate way. Validation published in the prestigious Journal of Sports Sciences!! Reduced ankle, hip or shoulder ROM is associated with a variety of injuries and can negatively affect performance. That's why doctors, physical therapists and sport scientists have been measuring the ROM of different joints for years. Now, you can measure your ROM in an accurate and reliable way just with your iPhone or iPad! Also, My ROM has several great features such as: -iCloud sync: share data between your devices -Multiple users: create as many users as you want -Unlimited tests per user: you can make as many tests as you want with each user, so you can see his/her evolution over time -Export data to a CSV file for further analysis My ROM, test your ROM at a glance just with your iPhone or iPad!

Written user reviews are not shown here. Check current App Store reviews >

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.

SUGGESTED BUILD STACK
React Navigation
Expo Location
React Native Chart Kit
Redux
Axios
BUILD KIT DIFFICULTY
Intermediate

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.