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.
A complete Python development environment that runs entirely on your device.
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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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 Pyroid: map the core Developer Tools 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 language support compared to desktop IDEs.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Performance issues with larger scripts.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of advanced debugging tools.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface can be cluttered.
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.
A complete Python development environment that runs entirely on your device. Pyroid bundles a real CPython interpreter inside the app, so your code runs offline — on a plane, on the subway, anywhere. No account, no server, no setup. Just open a file and hit RUN. WHAT YOU CAN DO • Run Python offline Your scripts run in an embedded interpreter on your iPhone or iPad, with no internet connection. • 190+ libraries, preinstalled NumPy, pandas, Matplotlib, Seaborn, SciPy, scikit-learn, SymPy, Plotly, Bokeh, Pillow, Requests, Flask, Django, Kivy, Pygame and many more are ready to import from the first launch. • Package manager Browse what is installed with versions, authors and project links, then search PyPI to install more pure-Python packages — or uninstall what you no longer need. • Jupyter notebooks Open, edit and run .ipynb files in a real cell-based editor. Mix code and Markdown cells, run them one at a time, and see output, tracebacks and inline images right where you expect them. • Multi-tab editor Work across several files at once and switch instantly with a smooth tab bar. • Smart code assistance Syntax highlighting, suggestions drawn from your real Python environment as you type, real-time syntax checking, code folding, and Find & Replace inside the current file. • Step-by-step debugger Set a breakpoint on any line, then step over, into or out of your code — inspecting local and global variables, the call stack and watch expressions at every stop. • 100 coding challenges A built-in Practice screen with 100 Python problems, from your first loop to graph algorithms. Write the function, try it on the sample cases, then submit and get graded on hidden test cases — with hints, XP and a daily streak. • Rich, visual output A console for stdout and stderr, and a Preview tab that renders Matplotlib charts, opens interactive Plotly/Bokeh charts in a built-in viewer, and gives Markdown files a live preview. • A real workspace Create projects, files and folders; import from the Files app; clone a public GitHub repository; reopen recent work in a tap; and restore anything you deleted from Trash. • Learn as you go Every install starts with a built-in library: a 10-chapter Python course, from variables to loops, and a Data Science track covering NumPy, pandas, Matplotlib and Seaborn — all as editable, runnable files. • Made for how you work Dark and Blue editor themes, an adjustable code font, and a full interface in 12 languages, from English and Hindi to Vietnamese and Chinese. PERFECT FOR • Python learners and students • Developers who code on the go • Data analysis, plotting and quick prototyping • Interview practice away from a laptop FREE VS PYTHON PRO No ads anywhere in the app, free or Pro. Free includes the whole editor — multi-tab, debugger, notebooks, package manager, charts and previews — plus 5 code runs (a one-time allowance, not per day), 45 practice problems, 5 practice submissions a day and the first hint of every problem. Python Pro adds: • Unlimited code runs • All 100 practice problems and unlimited submissions • Every hint, plus the input and expected output of hidden test cases Plans: Weekly and Yearly auto-renewable subscriptions (both with a 3-day free trial), or a one-time Lifetime purchase with no renewals. Payment is charged to your Apple ID at confirmation. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period; manage or cancel anytime in your Apple ID settings. Any unused portion of a free trial is forfeited when a subscription is purchased. Your code stays yours: files live in the app's own workspace on device, and only the code you write is executed. Privacy Policy : https://termux-studio.org/privacy-policy?name=Pyroid Terms of Use : https://termux-studio.org/terms-of-use?name=Pyroid
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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.