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
ZScripter: Visual Novel Player
ZScripter plays compatible Ren'Py, RealLive, NScripter, (PONS)ONScripter-EN/RU/JH/Yuri, Artemis, Siglus, AI5 and UK2 games as well as KiriKiri (+Kirikiroid2 patches) and RPG Maker MV/MZ & XP, VX and VX Ace support.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.8
58 ratings · Top 5%
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 included16 files
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 ZScripter: Visual Novel Player: 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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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
ZScripter plays compatible Ren'Py, RealLive, NScripter, (PONS)ONScripter-EN/RU/JH/Yuri, Artemis, Siglus, AI5 and UK2 games as well as KiriKiri (+Kirikiroid2 patches) and RPG Maker MV/MZ & XP, VX and VX Ace support. - ZScripter supports 115 specific Ren'Py releases across the 6.15.x, 6.17.x, 6.18.x, 6.99.x, 7.0.x–7.8.x, and 8.0.x–8.6.x release families - The shared NScripter-family runtime supports ONScripter, ONScripter-EN, ONScripter-RU, ONScripter-JH, and ONScripter-Yuri, with dedicated Yuri compatibility profiles for GBK (Chinese), Shift-JIS (Japanese), and UTF-8. - The shared NScripter-family runtime also includes dedicated PONScripter compatibility profiles for Original/Mion (2011), Sekai Project Steam releases, Witch Hunt (1× and 2×), and 07th-Mod (v3 and v4). - Custom RealLive engine has support for English and Japanese RealLive game variants, supporting most RealLive novels. - KiriKiri engine with Kirikiroid2 patch support. - RPG Maker MV/MZ & XP, VX, and VX Ace engine with full patch and MTool translation support. BRING YOUR OWN GAMES (FILES + WEB IMPORTER) - Import games you own from folders, ZIP, RAR, 7z, LHA/LZH, TAR, TAR.GZ, TAR.BZ2, TAR.XZ, and ISO disc images. - Import supported self-extracting EXE packages, including Inno Setup, NSIS, and supported FreeArc formats. - Extract compatible game data from APK, XAPK, APKS, APKM, AAB, and IPA packages. Split RAR and 7z archives are also supported. - Choose files through the Files app, or transfer games from another computer on the same Wi-Fi network. REN'PY TRANSLATION - Enable translation, choose your source and target languages, and translate dialogue and menus directly in Ren'Py games. - Use Apple on-device translation on iOS 18 or later with supported downloaded language models. - Or connect AI models with your own API key and an internet connection. Game text and context are sent to your selected provider with your permission. LOCAL SAVES, BACKUPS AND FILES - Edit supported Ren'Py save-slot and persistent data with the dedicated Save Editor. - Manage storage, create save snapshots, roll back saves, and export complete game-and-save backups. - Games and saves are stored on this device; ZScripter does not provide iCloud syncing. READING AND CONTROLS - Adjust in-game text size in Ren'Py games in real time. - Customize touch controls, hardware controller bindings where supported, and per-game orientation. Ren'Py is a registered trademark. All other trademarks are the property of their respective owners. ZScripter is not affiliated with or endorsed by the Ren'Py project or any named developers, publishers, or community projects. ZScripter’s engine compatibility is tested against thousands of game distributions, with checks covering startup, rendering, and engine-specific behavior. Compatibility varies by game and version.
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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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
Supabase
RevenueCat
BUILD KIT DIFFICULTY
Advanced
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.
