Pricing Plans & Comparison

BranchPy is free for individual Ren'Py developers. No payment required. If you find it useful, a contribution via Buy Me a Coffee is welcome — never expected. A credit in your game would also mean a lot. For commercial Ren'Py games: a small contribution is asked on a trust basis, no audits. (BranchPy works fully without AI.)

Free for individual Ren'Py developers: no payment required. Create a free account and unlock all commands. We just ask for a ☕ Buy Me a Coffee if it helps, and a credit in your game if you're happy with it. For commercial Ren'Py games: a small contribution is asked on a trust basis, no audits.
No account required

Start Instantly

Available now. No time limits.

  • Stats & Project Metrics
  • Doctor (Lite)
  • Compare Reports
Unlock full analysis

Free Account

Register to unlock deeper analysis. Free for individual Ren'Py developers — no credit card, no paywall.

  • Full script analysis
  • Error detection
  • Dead code detection
  • Everything in Start Instantly
Most Popular
Ren'Py License

Ren'Py Creator

Unlock free Ren'Py access and use all commands. Free for personal Ren'Py games. A small contribution is asked for commercial releases only — on a trust basis, we don't check your work.

  • All commands during soft release
  • Analyze / Pilot / OMEGA / PFI
  • Media Validation / Compare Lanes
  • Flowchart and advanced tools
  • Feedback-driven updates
Commercial & Optional AI

Pro

For commercial creators and advanced workflows

TBD

pricing to be announced

AI features require your own OpenAI API key. Team plans coming soon.

  • Commercial license
  • AI review & explanation
  • Flowchart+ editing & export

Feature Comparison

Feature (click to expand) No account Free Account Ren'Py Creator Pro
Full Script Analysis

Parse and analyze your Ren'Py scripts for structure, labels, flow patterns, and story navigation. Detects missing jumps, validates calls, and maps your game's structure. Requires registration.

 ✗ ✓ ✓ ✓
Stats & Project Metrics

Summary statistics about your project: label count, line count, file count, complexity indicators. Quick health check without requiring login.

 ✓ ✓ ✓ ✓
Compare Reports

Compare analysis results between different project versions to track changes in code structure, complexity, and metrics over time.

 ✓ ✓ ✓ ✓
Doctor (Lite)

Basic health checks for your Ren'Py project: syntax validation, common pattern detection, and quick diagnostics. Available without login for instant feedback.

 ✓ ✓ ✓ ✓
Dead Code & Orphan Detection

Find unreachable labels, unused assets, broken story paths, and orphaned code automatically. Ensures every label and asset in your game is actually reachable by players.

 ✗ ✓ ✓ ✓
Doctor (Full)

Comprehensive project health analysis with deep diagnostics, performance recommendations, structural validation, and best practice enforcement.

 ✗ ✗ ✓ ✓
Compare Lanes

Advanced comparison mode showing side-by-side differences between project branches or versions with detailed change tracking and impact analysis.

 ✗ ✗ ✓ ✓
CFG (Control Flow Graph)

Deep control flow analysis showing execution paths, branching logic, and code reachability. Essential for understanding complex narrative structures.

 ✗ ✗ ✓ ✓
Flowchart (View-Only)

Interactive visual story flow showing all labels, jumps, and story structure. Navigate your game's structure at a glance with node search and reading time analysis.

 ✗ ✗ ✓ ✓
Flowchart+ (Edit & Export)

Advanced flowchart features: drag-and-drop editing, custom layouts, annotations, export to PNG/SVG/PDF for presentations and documentation.

 ✗ ✗ ⭐ ✓
Pilot (Path Analysis)

Path-Integrated Logic Observation Tool: Advanced path-aware variable tracking that follows how variables change across different story routes. Understands conditional logic and branching consequences.

 ✗ ✗ ✓ ✓
OMEGA (State-Space Reasoning)

Impossible path detection and state-space analysis. Identifies logic contradictions and dead branches that can never be reached by players.

 ✗ ✗ ✓ ✓
PFI (Dependency Tracking)

Project Function Index: Cross-file dependency tracking showing function call chains, asset usage patterns, and relationships between different parts of your game. Essential for refactoring large projects.

 ✗ ✗ ✓ ✓
Media & Image Validation

Detect missing assets, unused files, image resolution issues, corrupted files, and format problems. Ensures all your images and sounds are properly referenced.

 ✗ ✗ ✓ ✓
AI Tools (Review / Explain / Docgen)

AI-powered code review, warning explanations, and documentation generation. Analyzes scripts for best practices, refactoring opportunities, and narrative structure. Requires your own AI API key (BYOAI).

 ✗ ✗ ✗ ✓
Cloud Sync

Sync analysis results, flowcharts, and settings across devices. Coming soon.

 ✗ ✗ ✗ Coming Soon
Team Seats

Multi-user workspaces with seat management, shared projects, and role-based access control. Coming soon.

 ✗ ✗ ✗ Coming Soon
SDK Access

Python/TypeScript API for custom analysis tools, automated checks, and CI/CD integrations. Coming soon.

 ✗ ✗ ✗ Coming Soon

⭐ Available on the Ren'Py Creator tier

v1.2.3 is available

Download BranchPy, follow the fast-start guide, unlock full features with a free account, and help improve BranchPy with real feedback.

Windows + VS Code is the recommended path. The CLI works on Windows, macOS, and Linux.

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We check what you invoke, not what you build. No spying, no intrusion.

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