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.
Writing Therapy is a unique app for spelling practice for adults with brain injury or stroke as well as ESL speakers or children learning to spell
$29.99 · 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 Writing Therapy: map the core Medical 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 free features compared to paid ones.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Not enough feedback on progress.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app navigation can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High subscription cost for full access.
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.
Writing Therapy is a unique app for spelling practice for adults with brain injury or stroke as well as ESL speakers or children learning to spell. ** Try it for FREE in Language Therapy Lite or purchase at a discount in the Language Therapy 4-in-1 app! ** With 4 modes and 3 levels of difficulty in each, users have access to 12 different exercises to practice writing over 500 words + unlimited custom words! * Fill-in-the-Blank * Copy * Spell What You See * Spell What You Hear Unlike other learn-to-spell apps, Writing Therapy allows users to select and rearrange letter tiles until they are satisfied, choosing when to submit an answer, rather than letters only fitting into the correct spot. Writing Therapy also has a built-in cueing hierarchy to give "hints" on each level, making the exercise one step easier to allow success on each trial. A virtual set of letter tiles makes therapy go faster with more repetitions in less time. You can add your own words and pictures to create completely customized spelling lists! Learn to spell names, places, or words related to each user's needs. This app features clear photographs, iconic graphics, and a clear male voice in 5 languages. Users will benefit from the trial-and-error format and self-selected cues for learning these common words with graduated activities that will grow with them as they develop or improve. Settings allow limiting the length of the words, selecting capital or lowercase letters, designating which of 12 categories are presented, and choosing how letters are selected. For users with difficulty dragging, an alternative tapping access method is available. Speech-Language Pathologists, family members, and teachers can recommend the appropriate modes and levels for each user and receive e-mailed reports of results (ready for professional progress notes). Writing Therapy is another powerful app in Tactus Therapy Solutions' professionally-designed Language Therapy suite of speech-language therapy apps. It is the perfect companion to Comprehension Therapy, Naming Therapy, and Reading Therapy. Our customers love this app! Read what they have to say: "I really like that this app can be used by both children and adults. I love the great real-life photographs used instead of cartoon pictures or line drawings. The functional, categorized vocabulary you use in your apps is appreciated!! I especially like the feature allowing older students/clients the opportunity to analyze their responses prior to submitted them. This app has great control over the length of the words selected, the voice quality is good, and clinicians will appreciate the data reporting! Great job!" "Great app, highly engaging! I used this app with two of my aphasia clients- one in her 30s and one in his 50s. Both found it engaging and wanted to continue to use the app throughout their session. I like the different levels of difficulty and the hints (which both of my clients appreciated as well). Great app!" "Beautifully done! A child or an adult can use this; the very nice part is that it isn't childish as many learn to spell apps are, which I absolutely love. My favorite part is the fact that words can actually be misspelled which allows the user to decide for themselves if it is correct or not BEFORE hitting the check button. So the target word is actually learned rather than just swiping letters until they all go into the correct slot. Love this app!"
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.