App Overview

Single Step (on the Journey) icon

Single Step (on the Journey)

FiveIron Software, LLC · Health & Fitness

Single Step helps you track progress toward any goal that can be measured with numbers

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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 included14 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 Single Step (on the Journey): map the core Health & Fitness 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

Focus on creating comprehensive onboarding and help sections.

Assumption to check: Limited community support for troubleshooting.

Validate with people who use this workflow before building.

Hypothesis 2

Simplify metrics and provide user-friendly explanations.

Assumption to check: Complicated data tracking for users not familiar with fitness metrics.

Validate with people who use this workflow before building.

Hypothesis 3

Incorporate gamification elements and community features.

Assumption to check: Potential lack of motivation features such as challenges or social sharing.

Validate with people who use this workflow before building.

Hypothesis 4

Offer clear value propositions and trial periods for features.

Assumption to check: Users may find the subscription model confusing.

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

Single Step helps you track progress toward any goal that can be measured with numbers. Whether you want to lose weight, run more miles, do more pushups, or save money - Single Step shows you how far you've come and how far you have to go. Perfect for: – Weight loss or gain goals – Fitness milestones (miles run, pushups, etc.) – Savings targets – Reading goals (pages or books) – Any measurable personal goal Features: – Create goals with custom targets and units – Track both increasing and decreasing goals – Beautiful journey visualization shows your progress – Log progress entries with one tap – See your complete progress history – Progress colors change as you get closer to your goal – Celebration when you achieve your goal – All data stored locally on your device – Works offline - no account required How it works: Set your starting point and target, then log your progress as you go. The journey path fills in as you get closer to your goal, changing from orange to blue to green as you progress. Every big achievement starts small. Single Step helps you see that every bit of progress matters on your journey.

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 Native
Expo
Supabase
react-navigation
react-native-reanimated
@supabase/supabase-js
BUILD KIT DIFFICULTY
Starter

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.