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Reviu vs SpellBox

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Reviu compared with SpellBox
DetailReviu logo ReviuSpellBox logo SpellBox
What it doesThe review app for code your agent writes AI programming assistant that generates code from simple prompts
StageNot given Not given
FoundedNot given Not given
Based inFR Not given
Pricing modelFreemium Paid
PricingFree: Local agent review, sessions, parallel worktrees, diff review with comments, local Git workflows. Pro: $9/month or $79/year (save 27%). Pro adds pull request dock, GitHub review comments, merge, and notifications. 14-day free trial. SpellBox one-year license: $40 early bird price (regular $65). Includes unlimited code generation, unlimited computers, and code bookmarking. Additional 15% off available with promo code EARLYBIRD15. 5-day money-back guarantee.
Key features
  • Native Rust GPU-accelerated desktop application
  • Agent sessions with Claude Code, Codex, Gemini, and ACP-registry agents
  • Parallel agent sessions in isolated Git worktrees
  • Inline review comments sent back to the agent
  • Real-time diff editor with inline and split views
  • Hunk-level staging, editing, and restore in the diff
  • Interactive rebase and conflict resolution
  • GitHub pull request review, checks, and merge in Reviu Pro
  • Built-in terminal
  • Keyboard-first command palette
  • Code generation from natural language prompts
  • Code explanation feature for understanding existing code
  • VS Code extension integration
  • Support for major programming languages
  • Desktop applications for macOS and Windows
What makes it different
  • Review agent code before it commits with inline comments sent back to the agent
  • Fully native desktop app built with Rust and GPU acceleration, not Electron
  • Agents run locally as processes on your machine with your existing subscription
  • All local agent review and Git features remain free while Pro adds GitHub integration
  • Parallel worktrees allow multiple agents to work simultaneously without interference
  • Instant solutions to coding problems without searching the internet
  • Helps developers focus on high-quality software rather than routine coding tasks
  • Reduces time wasted on syntax errors and debugging
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)9 no change since last check38 no change since last check
Trust Flow (Majestic)67
Citation Flow (Majestic)2536
Referring domains (Majestic)35438

5 details filled in for both companies.

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