GhostWriter by MyHandler vs Solarch: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of GhostWriter by MyHandler and Solarch — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
GhostWriter by MyHandler
MyHandler.ai
Windows writing assistant that reads the screen around your cursor on a hotkey double-tap and types a context-aware draft in your voice.
Key features
- Hotkey Double-Tap Drafting: No prompt or dictation is needed — a double-tap with the cursor in any text field triggers capture and drafting directly in place.
- Screen Context Capture: Reads the thread, form or partial sentence surrounding the cursor locally on the machine, using that on-screen context as the entire input.
- Writing Intent Classification: Determines whether the moment calls for a reply, a continuation, a filled-in answer or a fresh compose before writing a single word.
- Sender and Identity Mapping: Maps each message in a thread to its sender and works out which handle is the user's, so the draft answers the other party rather than the user's own words.
- Calendar Cross-Check: When a draft proposes a time, it is validated against the next two weeks of a connected calendar before the text appears.
- Selection Rewriting: Selecting existing text before the hotkey rewrites that selection instead of composing something new.
- Nothing Sent Automatically: The generated text appears at the cursor for the user to read, edit or delete; sending always remains a manual step.
- Local Vault with Zero-Retention Cloud: Capture runs against an encrypted vault on the user's own PC and the assembled context is processed by a zero-data-retention cloud model.
Best for
- Email Backlog: Clearing a queue of owed replies by drafting each one from the thread already on screen instead of retyping the same answer.
- Chat and Slack Replies: Answering a message in a team chat where the draft is grounded in who asked whom for what in the visible thread.
- Web Form Completion: Filling a blank answer box under a question on a web form or application without switching to a separate chat window.
- Sentence Continuation: Picking up a half-written paragraph exactly where it stops, without the assistant restating what was already typed.
- Meeting Scheduling Replies: Responding to a request for a time with a proposal that has already been checked against the user's calendar.
- Tone-Sensitive Rewrites: Selecting a blunt or rough draft and having it rewritten in the user's own voice before sending.
Solarch
Solarch
Visual backend architecture tool: draw node/edge graphs, validate with a rules engine, and generate matching backend code to prevent architectural drift.
Key features
- Live Graph Editor: A node-and-edge visual editor for composing backend architectures (services, data stores, connections) with live feedback and manipulation.
- Rules Engine Validation: Built-in validation rules that check the drawn architecture for policy, best-practice, and safety violations before code generation.
- Automated Code Generation: Generates scaffolded backend code that directly matches the validated architecture, reducing manual translation work.
- Architecture-Code Parity: Keeps diagrams and generated code in sync to prevent architectural drift and ensure the implementation follows the approved design.
- Scaffold Customization: Produces customizable starter code and project structure so teams can iterate from a working baseline rather than from scratch.
- Design-as-Source-of-Truth: Treats architecture diagrams as the authoritative specification, enabling governance, review, and reproducible builds from the visual model.
- Live node/edge graph editor for backend architecture
- Rules engine to validate architecture diagrams against constraints
- Automated code generation that produces backend code matching the diagram
- Prevents architectural drift by keeping design and code in sync
- Visual-to-code workflow enabling design-driven development
Best for
- Designing Microservice Backends: Visually model microservice boundaries, communication paths, and data stores, then generate matching service scaffolds to accelerate implementation.
- Onboarding and Handoff: Provide new engineers with a validated visual architecture plus generated starter code so they can quickly understand and contribute to the system.
- Enforcing Architecture Governance: Apply organizational rules in the validation engine to ensure new designs comply with standards before code is produced.
- Prototype-to-Production Acceleration: Rapidly iterate on architecture diagrams and produce working code prototypes that can be extended into production systems.
- Refactoring and Reconciliation: Use the visual model to plan refactors and produce updated scaffold code that brings implementation back into alignment with the intended architecture.
- Documentation-as-Code: Maintain diagrams as the source of truth and regenerate code or artifacts to keep documentation and implementation synchronized.
- Designing backend system architecture as diagrams and generating initial code scaffolding
- Enforcing architectural constraints across teams via automated validation
- Keeping infrastructure-as-code and implementation consistent with architecture diagrams
- Generating API or service stubs from a validated architecture graph
- Onboarding and documentation through visual architecture artifacts tied to code