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.
Ever wondered if you can take photos every day/week/month, and stack them into a time-lapse animation? Selfie, weight loss, babies, or home remodeling project, TimeShutter is the best tool for them all! You get perfec...
$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 TimeShutter - Daily Selfies: map the core Photo & Video 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 find it hard to remember to take daily selfies.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited photo editing features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Subscription models can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social sharing capabilities.
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.
Ever wondered if you can take photos every day/week/month, and stack them into a time-lapse animation? Selfie, weight loss, babies, or home remodeling project, TimeShutter is the best tool for them all! You get perfect alignment with a guideline overlay. Recently added new features: Unlock private albums with FaceID/TouchID/Passcode; Camera count down timer; Taking photos with volume button; 3D touch shortcut. See what our long-time users say about us: "I’ve been using TimeShutter for over four years now, it’s probably my favorite iPhone App." Sebastian K. "I was using [redacted] to take in process pictures of my art, but yours is wayyy better. And the simple clean design just tops it off." Steve T, Artist . "Love your app. Been looking for such apps for taking site photos at the same spot for a long time. " Jeffrey Y, Architect. "I love the app. It is much better than the alternatives!" Jon L. "Great app for pregnant womens!" "I used this to document the first year of my son’s life and the video turned out beautifully. I’m continuing to use it for year two. Simple, intuitive, works as it should. " RiskVsReward "My daily photo project is easier than ever with the alignment guide overlay while taking the photo, plus adjustment feature, multiple albums, and gif and video exports at three speeds." "This is one of the best time lapse apps I could find, and does everything I needed to do in a very simple way." "Any sort of transition or passage of time you want to document quickly and conveniently on your device is a good candidate for TimeShutter. " "I used this app to make a time lapse animation of myself between haircuts, and am thinking of other uses. This app makes it super easy with a guide from the first frame and recurring reminders. Very well made." Features: - Capture changes over time with guideline overlay assistance. - Set any specific reference photo, or always use the previous one. - Time-lapse preview with drag gesture. - Precise adjustment & crop anytime with two-finger gestures. - Multiple album support, capture yourself, babies, puppies, blooming flowers, and anything interesting in one place. - Customizable daily, weekly, or monthly reminders. - Export & share in video or GIF format.
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.