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.
App Overview
Aufi: Webnovel TTS Audiobook
Aufi is an AI novel reader and webnovel Text-to-Speech (TTS) audiobook app
$2.99
PRICE
$2.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Aufi: Webnovel TTS Audiobook: map the core Books workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Aufi is an AI novel reader and webnovel Text-to-Speech (TTS) audiobook app. Paste a chapter link or open an EPUB, PDF or TXT file, and Aufi reads it aloud with natural, expressive voices. Tired of robotic voices, constant buffering, or buggy TTS players that stop mid-chapter? Love web novels, light novels and fanfiction, but tired of eye strain? Aufi lets you listen to light novels, webnovels and fanfics while driving, working out, or relaxing before bed. BUILT FOR WEBNOVEL READERS WEBNOVEL TTS: TURN WEBSITES INTO AUDIOBOOKS • Paste any chapter link from your favorite web novel sites and press play. • Read along: the sentence being read is highlighted on screen. • Auto-next: when a chapter ends, Aufi loads and plays the next one — no tapping needed. READ ALOUD EPUB, PDF & TXT • Open EPUB, PDF and TXT files from your phone or Google Drive and listen right away. • Aufi remembers where you stopped, so you never lose your place. • Listen to your own files offline with your device's built-in voices. AI TRANSLATION FOR RAW NOVELS • Turn on auto translation and every chapter is translated before it is read to you — ideal for following raw releases. • Smooth Rewrite (Premium): AI polishes clumsy machine translation into fluent prose and keeps character names consistent with Story Memory. NATURAL AI VOICES • Natural-sounding AI narrators with male and female voices in many languages and accents. • Your device's built-in voices are supported too. • Playback speed from 0.5x to 4x. BEDTIME & POWER-USER TOOLS • Sleep timer: 10, 15, 30 or 60 minutes, or any length you choose. • Background play: keeps reading with the screen locked or while you use other apps. • Word replacement: fix abbreviations, typos and how fantasy names are pronounced. FOR EVERY GENRE Xianxia, Wuxia, LitRPG, Progression Fantasy, Romance, Isekai, Sci-Fi, Urban, Mystery and Fanfiction. START LISTENING Download Aufi and turn your favorite webnovels into audiobooks. Go Premium for unlimited listening and premium AI voices. Premium also removes ads. PRIVACY & TERMS: • Privacy Policy: https://sites.google.com/view/audifyai/privacy-policy • Terms of Use (Standard Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement a wider variety of audiobooks and exclusive content.
Assumption to check: Limited audiobook selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Add options to share audiobooks or recommendations with friends.
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Incorporate user preferences for recommendations and playlists.
Assumption to check: Lack of personalization options
Validate with people who use this workflow before building.
Hypothesis 4
Implement a download feature for offline listening.
Assumption to check: No offline playback feature
Validate with people who use this workflow before building.
Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
react-navigation
expo-av
axios
zustand
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
