App Overview

VitaJournal icon

VitaJournal

ファクトリーヘルス株式会社 · Health & Fitness

VitaJournal is a simple, all-in-one health journal that brings your weight, meals, workouts, cardio, mood, and diary into a single calm space

$4.99 · In-app purchases

PRICE
$4.99
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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Combine features and design from your favorite apps.

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What's included15 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 VitaJournal: 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

Implement reminders and gamification to encourage daily entries.

Assumption to check: Users often struggle with data entry and tracking consistency.

Validate with people who use this workflow before building.

Hypothesis 2

Add social sharing and community challenges.

Assumption to check: Limited social features reduce user engagement.

Validate with people who use this workflow before building.

Hypothesis 3

Design a cleaner, more organized UI with customizable dashboards.

Assumption to check: Users may find the interface cluttered.

Validate with people who use this workflow before building.

Hypothesis 4

Integrate advanced analytics to visualize progress over time.

Assumption to check: Lack of detailed analytics can frustrate users.

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

VitaJournal is a simple, all-in-one health journal that brings your weight, meals, workouts, cardio, mood, and diary into a single calm space. No ads. No external servers. Every entry stays on your device. ■ What you can track • Weight & body fat One-tap numeric pad with the last entry pre-filled, plus ±0.1 / ±0.5 kg quick adjusters. Optional HealthKit write-back. • Meals List individual foods with kcal, protein, sodium, water and any other metric you care about. Totals are computed automatically. Save your usual breakfast (or any meal) as a "set" and re-add it in one tap. • Workouts Log exercises, sets, weights and reps. Last-session values are shown right beside today's inputs so you can chase progressive overload. Save full routines (Push day, Pull day, Legs day) as templates and reuse them. Tag by muscle group, location or whatever fits your style. • Cardio Pulls your step count automatically from HealthKit and lets you add freeform sessions (running, yoga, pilates, anything) with custom cardio types. • Custom trackers Add anything else you want to follow — water intake, meditation minutes, supplements, sleep quality, screen time — with your own units and categories. • Mood & diary 1-to-5 wellness check plus free-form notes. Read back through past entries by date. • AI review export Generate a clean, copy-paste-ready summary of your week and feed it to ChatGPT, Claude, or any chat AI. Get coach-grade feedback on training volume, nutrition gaps and recovery — using the AI you already pay for. • Trends Charts for weight, workout volume, calories, heart rate, sleep, HRV and more, across customisable time windows. • HealthKit Steps, sleep, resting heart rate, HRV and active energy come in automatically. Weight you log can flow back out to HealthKit so other apps see it too. • Backup Export to any folder, including iCloud Drive, so you can move data between devices or keep a long-term archive. ■ Privacy first VitaJournal does not transmit your data to our servers — because there are no servers. Everything is stored locally and synced only through Apple's iCloud if you choose. No analytics, no advertising SDKs, no tracking. AI export is opt-in per session: you decide what (if anything) leaves the app, and where it goes. ■ Languages English, Japanese, German, French, Spanish, Korean, Simplified Chinese. VitaJournal is for people who want a thoughtful, complete record of their health — without surrendering their data to yet another cloud service. If you've outgrown single-purpose tracking apps and want one calm place that fits your habits, give it a try.

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.

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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.