App Overview

Supplement tracker - Capsuly icon

Supplement tracker - Capsuly

Mobin Akhter · Health & Fitness

CAPSULY: YOUR PRIVATE SUPPLEMENT COMPANION

$3.99

PRICE
$3.99
No 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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A product spec, screen plans, and build steps for your coding agent.

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What's included

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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

CAPSULY: YOUR PRIVATE SUPPLEMENT COMPANION Take control of your supplement routine with Capsuly, the privacy-first vitamin and pill tracker designed for iOS. No subscriptions, no accounts, no data harvesting—just a simple one-time purchase that's yours forever. WHY CAPSULY Privacy First: Your health data stays exclusively on your device. No cloud sync, no servers, no tracking. Works completely offline. One Price Forever: $3.99 once. No monthly fees, no premium upsells, no subscription fatigue. Fast Logging: Mark supplements taken in seconds. No tedious food logging or barcode failures. Smart Safety: See daily nutrient totals vs Recommended Allowances (RDA) and Upper Limits (UL) personalized to your age, sex, and life stage. Intelligent Scheduling: Multiple daily doses, specific weekdays (M/W/F), cycling patterns (5 on, 2 off), or custom intervals. Timing hints based on absorption science. Inventory Tracking: Track pills remaining, calculate days until empty, get low-stock alerts. CORE FEATURES Supplement Cabinet: Add vitamins, minerals, herbs manually. Track brand, dosage, form, nutrient composition. Today Dashboard: One-tap logging, current streak, adherence stats, low-stock alerts. Nutrient Safety: Daily totals for vitamins A, C, D, E, K, B-complex, calcium, iron, magnesium, zinc, and more. Personalized RDA/UL warnings. Auto-conversion of IU to mcg. Advanced Scheduling: Multiple daily doses, specific days, intervals, cycling regimens, preferred times. Timing Intelligence: Science-based hints like "Take with fat for 32% better absorption" and "Separate calcium and iron by 1-2 hours." History & Insights: Calendar view, streak tracking, adherence percentage, filter by supplement. Data Ownership: Export PDF reports (profile, supplements, nutrients, adherence, calendar). Share via email, messages, AirDrop. WHAT CAPSULY DOESN'T DO No food tracking, no barcode scanning, no push notifications, no Apple Health integration, no cloud backup, no gamification, no social features, no analytics. IDEAL FOR People taking 3+ daily supplements, privacy-conscious users, those with complex schedules, inventory managers, subscription-avoiders, patients preparing for doctor visits. TECHNICAL iOS 18+, 100% offline, SQLite database, no internet required, no account, no device permissions. DATA SOURCES RDA/AI/UL from NIH Office of Dietary Supplements and National Academies DRI tables. DISCLAIMER Informational only. Not medical advice. Consult healthcare providers before starting supplements. PRIVACY Compliant with PIPEDA, GDPR, CCPA. No third-party sharing, no ads, no analytics, no telemetry. Payment by Apple. Buy once. Track privately. Stay safe.

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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.

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
BUILD KIT DIFFICULTY

Not assessed in a Build Kit yet.

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.