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.
Down Dog builds a brand-new yoga practice every time you press start — tailored to your level, focus, pace, and time
Free · 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 Yoga | Down Dog: 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: Limited class variety for free users
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in tracking progress over time
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No guided instructions during practice
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription confusion among 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.
Down Dog builds a brand-new yoga practice every time you press start — tailored to your level, focus, pace, and time. With over a million possible configurations, no two sessions are the same. Whether you're brand new to yoga or have been practicing for decades, Down Dog adapts to where you are today. OVER TEN STYLES OF YOGA Vinyasa, Restorative, Yin, Wake-Up Yoga, and more. Easily switch between styles to get the practice that's right for you. BEGINNER FRIENDLY Start with Beginner 1 and build up at your own pace. Unlock new poses and more variety as you level up. TARGET WHAT MATTERS TO YOU Use the Boost feature to focus your practice on any of 19 body areas - backbends, hip openers, core, shoulders, and more. Select a primary and a secondary boost to customize every practice, or get more variety in your routines by rotating through them all. TOTALLY CUSTOMIZABLE PRACTICES "Like" poses to see them more often. "Dislike" poses to skip them. CHOOSE YOUR VOICE Choose from 6 different yoga teachers to be guided by a voice you love. STAY CONSISTENT Set daily, weekly, or monthly goals. Build streaks and develop a practice that works for your schedule. YOUR FULL WELLNESS TOOLKIT One subscription unlocks our full library of practice types, all in one app: Meditation - guided sessions for stress, sleep, focus, and mindfulness Pilates - core, posture, and stability HIIT - fast, efficient workouts that build strength and cardio fitness Switch between them anytime. No extra downloads, no extra fees. SYNCS WITH APPLE HEALTH Track your practice alongside the rest of your wellness data. MULTIPLE LANGUAGES All yoga practices are available in English, Spanish, Portuguese, French, German, Italian, Russian, Mandarin, Japanese, Korean, Turkish, Polish, and Ukrainian “I LOVE your app. I am a physician and I recommend it to my patients all the time, for those suffering from anxiety and panic disorder to those with low back pain. I can’t thank you enough for bringing yoga back into my life- making it so accessible, approachable, and convenient.” -James “Love it, as always. You guys have changed my life. I’m not a T-Rex anymore and I can move without back pain. Thank you :)” -Sharon “Restorative mode is perfect for my 71 year old body!” -Margaret “I am absolutely thrilled with the quality of this practice. I felt like I was in a studio and I was really sweaty and challenged. Well done!” -Emily “After just one Yin session, I can feel a *huge* difference in my flexibility.” - Alexandra Integrates with the Apple Health app! Down Dog's terms and conditions can be found at https://www.downdogapp.com/terms Down Dog's privacy policy can be found at https://www.downdogapp.com/privacy
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.