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.
Jam with Latin turns first-year classical Latin into an adventure
$19.99 · 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 JAM Legio: map the core Education workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Jam with Latin turns first-year classical Latin into an adventure. Your student joins a Roman legion and marches from Rome toward Gaul, learning real vocabulary, verb endings, and short sentences at every stop. Built for homeschool and classical-education students — approachable for younger learners, faithful to the grammar teachers actually teach. THE JOURNEY Follow thirteen stops on the march north, from Rōma through Italy to Gallia. Each city teaches one piece of the classical curriculum: • 1st through 5th declension nouns — one focus per city • Present-tense verbs and the personal endings • Adjectives, joiners (prepositions, conjunctions, adverbs), and short Latin sentences • Camp stops to train and practice verb endings HOW YOU LEARN • Vocabulary cards — match Latin to English • Case challenges — pick the correct form of a noun • Verb-ending matching — connect each ending to its person and number • Sentence reading — put grammar together into short Latin sentences • Training Camp — practice words and endings any time BUILT FOR CLASSICAL STUDENTS • Follows the classical order: declensions → verbs → sentences • Fits Henle, Classical Conversations, and similar first-year Latin • Combines Henle vocabulary with Vulgate vocabulary • Correct macrons and forms throughout • Earn XP, climb the ranks, and see a friendly global leaderboard SAFE AND SIMPLE • Sign in with a username and 6-digit PIN — no email required • No ads. No in-app purchases. No tracking for ads • Delete your account and progress any time from the app • Progress saves to your account across devices MADE BY HAND NO AI was used for images or content — 100% made by hand by the Jam with Latin team: Anastasia as artist, Thomas as app designer, and Abigail and Alexis as curriculum builders. Made with the team behind jamwithlatin.com for joyful, classical Latin learning. Salvē — your march begins in Rōma.
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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: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor performance
Validate with people who use this workflow before building.
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.