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.
ezPDF Reader is the world's first mobile PDF app with the embedded multimedia (audio & video) playing capability
$3.99 · 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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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 ezPDF Reader: map the core Business 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 annotation features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface is not user-friendly.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Frequent crashes reported by users.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point compared to free alternatives.
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.
ezPDF Reader is the world's first mobile PDF app with the embedded multimedia (audio & video) playing capability. Easy annotations and PDF form-filling are widely used features. This renewed app now supports both the iPhone and iPad devices. Now we have added new features of multimedia capability on PDF. Should you have any questions on creating this new type of PDF, pleases feel free to contact [email protected]. For the business use of this advanced technology, content developments or interactive eBook productions, please contact us for our SDK library / API at [email protected] ● Playing Audio, Video, and Animation from PDF Embedded multimedia files can be played - Play audio on text or marked areas - Play video inside a frame or a full-screen - Play GIF and APNG (Animated PNG file) ● Text-to-Speech (TTS) Let the text has its own voice. - TTS Feature is now included in the app. No need to pay this feature as an In-App Purchase - More languages are supported - Background mode playing is possible ● Annotation Features on PDF A useful tool to add text, write and draw on PDF. - Freestyle writing and drawing - Line, rectangle, and oval shapes - Add comments and insert images from the photo library or camera - Mark up texts with highlight, underline and cross-outs. - Change colors, opacity, and thickness - Erase one by one or page at a time - Flatten annotations - Import, export and share annotation list ● PDF Form Filler If the PDF file is designed with the PDF-form features, you can simply type in the form field and apply marks on buttons. Import and export data. Fill out your form, sign, flatten, and then send via email. ● Scrap The Scrap is a new feature for this version. Just select an area from the PDF page with the scrapping tool. The selected area will be created in PDF and image. Texts and images can be stripped from the PDF when available. You can easily share them as you wish. ● Reflow View Able to switch between PDF and Reflow View. Reflow view now supports images as well as text. Pinch zoom in to increase the text size and zoom out to make it smaller. ● Customized Viewing Tap top or bottom area to show a navigation bar and toolbars. Hide them by touching right below the navigation bar or right above the toolbars. - Text search and highlighted result - Thumbnail Pageview - Create bookmarks and list them - Support Table of Contents (Bookmarks in other PDF programs) - Annotation List - Attached File List - Scraped File List - Page read direction from left to right/from right to left - Sing Page View or Double Page View (with or without front cover) - Page scroll vertical/horizontal - Page turning effect - Duotone Mode with night reading mode - Embedded hyperlinks are live (Go To Page and URLs) ● PDF Documents - Open the standard password-protected PDF file - Attach files - Share PDF file - Print ● Functions for File Management We now support the Document Browser for the file management Convenient file management - Folder Creation / Copy / Cut / Paste / Move / Delete / Rename File list view and File cover for a recent view File search by Name Please share your thoughts in the review! Thank you. twitter.com/ezpdf facebook.com/ezpdf
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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.