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Heard vs logPhase

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

Heard compared with logPhase
DetailHeard logo HeardlogPhase logo logPhase
What it doesThe voice layer for coding agents A harness for comprehension: understand code better and faster, especially code AI agents write
StageNot given Not given
FoundedNot given Not given
Based inUS DE
Pricing modelFreemium Paid
PricingFree: $0/month (open source with local voices). Pro: $12/month or $144/year (managed voices and spoken recaps). Power: $24/month or $288/year (adds voice input and iPhone companion). Every download includes a free 14-day Power trial with no card required. $15 a month, free for a month from the first launch. One subscription covers all your Macs. Billed monthly through Polar; cancel anytime in the customer portal.
Key features
  • Spoken updates from Claude Code and Codex
  • Three listening modes: Co-pilot, Companion and Focus
  • Spoken recaps of agent work
  • Voice dictation with right Command key
  • Hey Parrot voice assistant
  • iPhone companion app for listening and replying
  • Follow multiple agent sessions at once
  • Open source engine with local voices
  • Works with any terminal including iTerm2 and tmux
  • Up to 2M characters of narration daily on Power plan
  • User journey visualization for pull requests showing blast radius and impact
  • AI-generated flow diagrams from code using Claude
  • Drill-down to actual code and methods behind each step
  • Call graph visualization showing method relationships
  • AI question answering about code steps using Claude
  • Offline analysis for most languages with .NET SDK support for C#
  • GitHub integration for private repository access
  • Persistent layout between runs for consistent navigation
What makes it different
  • Works without watching your screen—lets you stay informed while focused on other tasks
  • All code and transcripts stay on your Mac; nothing is used to train models
  • Listen and respond to agents from your iPhone via companion app
  • Open source engine available under Apache 2.0 license
  • Supports multiple coding agents with one interface
  • Visualizes code as interactive maps with user journeys showing the full blast radius of changes
  • Runs locally on your Mac with only Claude API calls going over the network
  • AI-generated flow diagrams connect pull requests to actual business logic via real code methods
  • Uses language-specific parsers for accurate code analysis instead of heuristics
  • One subscription covers all your Macs with no signup or card required for first month
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)6 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)3018
Referring domains (Majestic)10118

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