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.
Calorya — Calorie Tracker, Macros & Weight Loss, Built for Privacy
$0.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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.
Rork plan preview for Calorie Tracker - Calorya: 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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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
Assumption to check: Users often find calorie tracking tedious and time-consuming.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Many calorie tracking apps lack engaging progress visuals.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users may feel overwhelmed by data input requirements.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription models can be confusing for users.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Calorya — Calorie Tracker, Macros & Weight Loss, Built for Privacy Track calories, macros, weight, water, intermittent fasting, and workouts in one beautifully designed iPhone app. Everything stays on your phone — no accounts, no servers, no ads, no analytics. WHY CALORYA • Worldwide food library — global dishes, drinks, restaurant menus, household staples — sized as you'd actually order them. • Daily calorie wallet that ticks down as you eat. Food equivalents like "≈ 3 rice cups left" make your budget feel real. • Genuinely private: nothing leaves your device unless you choose to back up or share. No account required. • Dark-mode first. Built with Apple's native stack — SwiftUI, SwiftData, HealthKit, Vision. FOOD & MACRO TRACKING • Log meals in seconds. Search a curated global library, scan barcodes (Open Food Facts), tap a recently-logged item, or add your own. • Auto-scaled macros: protein, carbs, fat, fiber per portion. • Restaurant menus from popular chains, sized to real serving portions. • Photo-based custom food entries. • Daily kcal cap so a runaway log can't blow up your day. WEIGHT TRACKING • Manual entry always available as a fallback. • Trend chart with target line and full per-entry weight log. • Reads/writes Apple Health so it stays your single source of truth. WORKOUTS & DAILY BURN • One-tap workout presets auto-scaled by your body weight. • Live camera-based motion tracker estimates calorie burn from your skeleton's movement — no wearable required. • Daily burn ring combines logged workouts with HealthKit active energy. • Motion mini-games that double as movement. INTERMITTENT FASTING & HYDRATION • Fasting timer with presets (16:8, 18:6, 20:4, OMAD) and a custom target. • Water log with an adjustable daily glass goal. • Both ride alongside calories in one unified daily readout. WALKS — "WALK TO A REAL PLACE" • Suggests nearby parks, cafes, and tracks with round-trip distance. • One tap opens Apple Maps for directions. • Save your favorite loops for repeating. ACCOUNTABILITY • Stake a reward with a partner (or commit to yourself) across 30, 60, 90, or 120 days. • Hit your goal → a shareable completion certificate is yours. APPLE HEALTH INTEGRATION (OPTIONAL) • Reads steps, workouts, sleep, weight. • Writes weight back to Apple Health. • Off by default — turn it on only if you want it. PRIVACY YOU CAN VERIFY • No accounts, no logins, no email harvesting. • No analytics SDKs (no Google Analytics, Mixpanel, Firebase, Amplitude). • No advertising SDKs. • No servers collecting your data. • Photos for OCR are processed in memory and discarded — never uploaded. • Barcode lookups send only the scanned number. BUILT FOR IPHONE AND IPAD • Native SwiftUI app, dark-mode first. • iPad layout caps the content column for comfortable reading width. • First-class HealthKit, Vision, and Apple Maps integrations. PERFECT IF YOU WANT • A calorie counter without an account or subscription gate. • A macro and protein tracker that respects your time and your data. • A weight loss app that pairs honest math with concrete daily targets. • An intermittent fasting tracker that lives next to your meals. • A nutrition app that actually keeps your data on your iPhone. Calorya is free of accounts, ads, and analytics. Track your food, your weight, and your training — your data stays yours. Support: [email protected] Follow @choloasis on X for updates. © 2026 QnSub Tech
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.