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.
you don’t need to paint to create beautiful watercolor images—waterlogue captures the essence of your photos in brilliant, liquid color
$4.99 · 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 Waterlogue: Photo to Painting: 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: Limited filter options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Slow processing on older devices
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No batch processing feature
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent save quality
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.
you don’t need to paint to create beautiful watercolor images—waterlogue captures the essence of your photos in brilliant, liquid color. see the world like an artist. features: • waterlogue transforms your photos into luminous watercolors • watch waterlogue paint as it transforms your images • use your watercolors to create an artist’s journal or notebook • save your watercolors and share via instagram, facebook, bluesky, mastodon, message, email, and more • create beautiful, high-res, frameable art for your home • 14 pre-set styles to customize your watercolors by controlling wetness, pen outlines, and color • image export at high resolution • control of borders, lightness, and detail • includes example images • awarded "app store best of 2014" by apple • from tinrocket, creator of this by tinrocket (app store best of 2016), olli (app store best of 2017), percolator, and popsicolor what people are saying about waterlogue: • oprah's holiday pick! "made with love: diy gifts"—o, the oprah magazine • “…with waterlogue, it’s clear that there’s a very thoughtful human touch behind the app’s painterly algorithms.” —wired, mar. 2014 • “…waterlogue is going to utterly amaze you, as it’s the first app i’ve seen that gives results that really look like a watercolor painting.” —cult of mac, dec. 2013 • “watercolor apps may not be a new idea, but waterlogue does it in a gorgeous, intuitive way, and it’s quite a pleasure to use.” —appadvice.com, dec. 2013 • “waterlogue app (from tinrocket) looks awesome!” —jack hollingsworth, photographer, dec. 12, 2013 • “it goes beyond typical photoshop watercolor filters because it has more visual intelligence, and more of the feel of the real paint.” —james gurney, artist and author of dinotopia, gurneyjourney.blogspot.com, dec. 2013 • “ever since digital imagery came into its own over 20 years ago, there have been attempts to mimic traditional media. where others have failed, waterlogue nails it.” —patricksaunders.com, dec. 2013 keep up with tinrocket: • follow @tinrocket on instagram for the latest! • we’re here to help: if you have a question or need assistance, you can always email us at [email protected] • if you like waterlogue, please consider leaving an app store review or rating. every review counts and helps indie developers like ourselves. waterlogue® and see the world like an artist® are registered trademarks of tinrocket, llc
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.