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.
Practice languages with native speakers on HelloTalk! We recently introduced HelloTalk Live and Voiceroom - interactive language and culture events to help you master languages through the content you love!
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 HelloTalk - Language Learning: 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.
Practice languages with native speakers on HelloTalk! We recently introduced HelloTalk Live and Voiceroom - interactive language and culture events to help you master languages through the content you love! HelloTalk, the original language exchange app, connects you with native speakers to practice languages (English, Japanese, Korean, Spanish, French, Mandarin Chinese, Portuguese, German, Italian, Russian, Arabic, Turkish, Hindi, Indonesian, Thai, Vietnamese and 260+ more) for FREE! HelloTalk equips you with learning tools such as translation and instant captions so you can learn by chatting with native speakers. Learn languages from locals around the world through livestreams and Voicerooms. Connect with expert hosts to discuss interesting topics with language partners in the learning community! Why HelloTalk? ► Real language learning atmosphere Whether you're focused on a widely spoken language or a less common one, HelloTalk caters to your needs. The system smartly matches you based on your native language and proficiency, while allowing you to filter ideal language partners according to various criteria such as age, location, and gender. Plus, with built-in translation and transliteration tools, you can communicate confidently without any language barriers. ► A powerful tool for sharpening your language skills Acquiring new words through conversations with native speakers is more effective than rigid memorization. Whether you're a student preparing for exams like the CET, GRE, TOEFL, IELTS, planning to study abroad, or a professional seeking career advancement through language skills, HelloTalk offers native speakers who match your proficiency level for engaging interactions and valuable learning experiences. ► Immersive multi-person language chat rooms If you choose to learn Spanish, for example, every Voiceroom you enter on HelloTalk gathers Spanish learners and Spanish native speakers from around the world to discuss interesting topics. Here, only your voice needs to be heard, creating a comfortable, introvert-friendly atmosphere. Here, sharing mutual interests allows everyone to freely express themselves and share personal experiences, fostering both language intuition and authentic expression skills. It's incredibly addictive! ► Diverse global Livestreams HelloTalk features handpicked foreign language hosts who offer online video lessons, share language insights, and provide glimpses into their lives abroad. You can even join them on stage for one-on-one video conversations with fellow language learners. Whether you're grappling with pronunciation, speaking speed, or shyness, these hosts will assist you in refining your language skills and guiding the conversation. For rapid improvement in spoken language, there's no substitute for direct communication with native speakers! ► International Moments HelloTalk's Moments offers real-time posts covering learning, lifestyle, and cultural insights from around the world. It's your ticket to discovering fresh perspectives and gaining deeper insights into diverse cultural customs, all from the comfort of your home. Don't forget to engage with posts that catch your interest! What the world is saying about HelloTalk “One of the best apps to help you learn a new language.” - 9to5Mac "When you're ready to experiment with a foreign language, HelloTalk provides an excellent opportunity for interaction with other speakers." –PCMag START PRACTICING LANGUAGES RIGHT AWAY!!! Learn more about the HelloTalk app: - Facebook: https://www.facebook.com/Hellotalk/ - Twitter: https://twitter.com/hellotalkapp Send any feedback to [email protected] - Privacy Policy: https://www.hellotalk.com/privacy-policy - Terms of Use: https://www.hellotalk.com/terms-of-service
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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 often find matching partners is slow and tedious.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited language options for chat.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of voice interaction features.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases can be confusing.
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.