Interview Solver vs Heard

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

Interview Solver compared with Heard
Detail	Interview Solver	Heard
What it does	AI interview copilot for live coding interviews with real-time LeetCode solutions	The voice layer for coding agents
Stage	Startup	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Freemium	Freemium
Pricing	Free trial with 10 messages included. Monthly subscription at $39/month (regular price $59/month, sale ends Oct 28). Interview Cycle plan at $90 every 3 months (regular price $149, that's $30/mo, sale ends Oct 28).	Free: $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.
Key features	Invisible mode keeps overlay off screen shares during interviews Screengrabs send coding window to AI model for one-shot solutions Voice transcription captures both sides of conversation Companion mode turns phone into second screen and remote control Undetectable global hotkeys avoid alt-tab suspension Document upload grounds answers in resume or job description Process hidden in Activity Monitor on macOS Flowcharts and system design diagrams Interview Solver Mobile works on phone without desktop app Company-specific interview question hubs and role-based prep tracks	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
What makes it different	Works invisible to screen sharing and proctored tests without detection Companion mode with remote controls when HackerRank tracks hotkeys Trained on entire set of all LeetCode questions Desktop app rather than browser extension for use during screen sharing Phone-based Interview Solver Mobile without installation requirement	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
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	20 +1 (up) since last check	6 −1 (down) since last check
Trust Flow (Majestic)	22	3
Citation Flow (Majestic)	36	30
Referring domains (Majestic)	836	101

6 details filled in for both companies.

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