PromptSpend vs ExtraBrain

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 ExtraBrain
Detail	PromptSpend	ExtraBrain
What it does	LLM API cost calculator and comparison tool	Local-first AI interview and meeting copilot for Mac
Stage	Not given	Startup
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Open source	Freemium
Pricing	Free	Free core app with local Gemma 4, local Parakeet transcription, and bring-your-own provider setup. Pro: $9.99/month, $99/year, or $179 Lifetime. Eligible monthly and yearly Pro subscriptions include 1,000 ExtraBrain AI credits per billing month. External AI and transcription provider usage billed se
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	Live transcription with local Parakeet or optional Deepgram Screen-aware context and screenshots for structured answers Hidden from screen sharing on Zoom, Google Meet, Teams, and coding platforms Post-session summaries and organized context Local-first data storage on your Mac Support for multiple interview and meeting platforms Desktop app that does not join calls as a bot
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	Fully local workflow possible with on-device Gemma and local Parakeet transcription Free to start with optional Pro, unlike bundled subscription services Built around bring-your-own provider access instead of locked-in vendors Designed to stay invisible during screen sharing and recordings
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)	7 no change since last check	17 no change since last check
Trust Flow (Majestic)	3	7
Citation Flow (Majestic)	19	25
Referring domains (Majestic)	48	49

5 details filled in for both companies.

More alternatives to PromptSpend More alternatives to ExtraBrain