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.
App Overview
MesoMetric
MesoMetric is bodybuilding's performance record.
$24.99
PRICE
$24.99
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
MesoMetric is bodybuilding's performance record. Built for bodybuilders, physique athletes, and the coaches who work with them. Local-first by design and shaped by decades inside the gym. Own your training. Own your data. MesoMetric records what you do without trying to replace your judgment, your experience, or your coach. No AI coaching. No auto-generated programs. Just a fast, precise system for keeping the complete record of your training, nutrition, and progress. Training • Exercises, sets, reps, and weight • Planned versus completed, every set • Training volume and progression • Routines, imports, and full workout history • Rest timer and session timing • Cardio sessions and daily steps Whether you're progressing week to week, in the off-season, or moving through a full prep, MesoMetric calculates and displays your totals, comparisons, and trends — and leaves the interpretation to you and your coach. Meals and Foods • Log meals, calories, and macros against daily targets • Build a reusable Foods library • Scan packaged foods • Reuse prior meals for faster logging • Meal reminders and serving adjustments with calculated macros Physique • Weekly check-ins with front, side, and back photos • Daily bodyweight log with trend • Body measurements — arms, chest, waist, and more • Recovery and body logs for soreness, pain, and tightness Coach Reports • Structured reports for selected periods with training, meals, weight, check-ins, and photos • Daily Reports for a single day • Share selected records with your coach when you choose Local-first by design Your training, nutrition, and check-in records stay on your device. • No account required • No cloud synchronization required • You choose when to export, back up, or share your records • Core logging works offline, wherever you train An optional packaged-food lookup requires internet access and sends the scanned barcode and ordinary technical request information to Open Food Facts when you choose to use it. You run your training. MesoMetric keeps the record.
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
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.
