App Overview

BPNote icon

BPNote

hazelnutworks · Health & Fitness

BPNote is a blood pressure diary application.

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.0
1 ratings · Top 30%

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 included16 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 BPNote: 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 interactive charts showing blood pressure trends.

Assumption to check: Limited data visualization options for trends over time

Validate with people who use this workflow before building.

Hypothesis 2

Add customizable reminders for users.

Assumption to check: No reminders for tracking blood pressure consistently

Validate with people who use this workflow before building.

Hypothesis 3

Allow export of readings in CSV format.

Assumption to check: No export options for data sharing with healthcare providers

Validate with people who use this workflow before building.

Hypothesis 4

Introduce social sharing or challenges to motivate users.

Assumption to check: Lack of user engagement features

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

BPNote is a blood pressure diary application. You can record your blood pressure, weight, and other information that you measure daily for health care in the application. This app can display the recorded information in an easy-to-understand format such as a graph. Please make use of this app for your daily health care. * Data you can record You can record the following types of data for the past 30 years. Data that was measured over 30 years ago will be automatically deleted. - Morning and evening blood pressure, pulse measured values - Weight measured values - Body temperature measured values - Taking medicine or not - Notes - Blood pressure recorded time * Features - Record measured values (Morning and evening blood pressure, weight, body temperature, taking medicine, notes and blood pressure recorded time) - Visualize the measurement in a graph (Blood pressure, heart rate, weight) - Distribution of blood pressure - Statistical information report (Average value, maximum value, minimum value, variation, ME difference, frequency of medication) - Statistical information report can be sent via e-mail or shared menu - Dropbox support (CSV import, CSV Export, synchronize) - Send measurement records via e-mail, shared menu IMPORTANT: Transferring the blood pressure record from the Lite version to the paid version Please do not delete the Lite version until the blood pressure record has been completely transferred to the paid version. In case you haven't sent the blood pressure record by email or an error occurs while sending mail, you may lose data you got in the Lite version.

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
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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.