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PromptSpend vs SKI

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 SKI
DetailPromptSpend logo PromptSpendSKI logo SKI
What it doesLLM API cost calculator and comparison tool Voice assistant for AI coding agents on Mac, Windows and Linux
StageNot given Startup
FoundedNot given Not given
Based inNot given IN
Pricing modelOpen source Freemium
PricingFree Free forever for voice coding and meeting transcription. AgentCall meeting feature: per-minute pricing with free hours included.
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
  • Local speech-to-text and neural voice synthesis on-device
  • Full-duplex echo cancellation for uninterrupted conversation
  • Approve-before-send review mode for transcripts
  • Multi-project support with voice per project
  • Screenshot capture and sharing with agent requests
  • Google Calendar integration for automatic meeting joining
  • Local meeting recording without bot participant
  • Support for 6+ coding agents including Claude Code and Cursor
  • Global hotkeys and mute controls
  • Supports 6+ languages including English, Spanish, French, Italian, Portuguese and Hindi
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
  • All processing happens on your machine with zero cloud uploads
  • Two-way voice conversation loop, not just dictation
  • Works completely offline with no internet connection required
  • Free forever for core voice and transcription features
  • Live agent status indicator showing real-time listening state
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 check18 no change since last check
Trust Flow (Majestic)38
Citation Flow (Majestic)1926
Referring domains (Majestic)48171

5 details filled in for both companies.

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