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PromptSpend vs Reviu

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

PromptSpend compared with Reviu
DetailPromptSpend logo PromptSpendReviu logo Reviu
What it doesLLM API cost calculator and comparison tool The review app for code your agent writes
StageNot given Not given
FoundedNot given Not given
Based inNot given FR
Pricing modelOpen source Freemium
PricingFree Free: 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.
Key features
  • Estimate LLM API costs for 109 models
  • Compare pricing across 16 providers
  • Paste prompt and see cost comparison
  • Free tier information for each model
  • Optional email price alerts
  • Data processed on device, not transmitted
  • Available as native iPhone and Android apps
  • Pricing API available
  • VS Code extension
  • 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
What makes it different
  • Pricing automatically re-checked every morning against tracked sources
  • Completely free with no accounts or ads required
  • Pasted text stays on your device and is never transmitted
  • Open source MIT licensed codebase
  • Covers 109 models from 16 providers in a single comparison
  • 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
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)7 no change since last check9 no change since last check
Trust Flow (Majestic)36
Citation Flow (Majestic)1925
Referring domains (Majestic)4835

5 details filled in for both companies.

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