PromptSpend vs TonesMatch

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 TonesMatch
Detail	PromptSpend	TonesMatch
What it does	LLM API cost calculator and comparison tool	AI guitar tone matcher built on real gear data, adapted to your specific equipment
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Open source	Freemium
Pricing	Free	Free: Browse 13,000+ tones and see example matches with no account required. Tone Seeker: $6.99/mo or $34.99/yr (save 58%), includes 20 adaptations per month. Tone Master: $10.99/mo or $49.99/yr (save 62%), includes unlimited adaptations. Both paid plans include guitar and bass support, unlimited to
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	2,000+ guitars and 1,500+ amps profiled with real EQ ranges and control sets 13,000+ researched tones with confidence scores Adaptive AI that calibrates for pickup type, amp type, and cabinet voicing Amp settings including gain, EQ, reverb, and presence controls Full bass guitar and bass amp support with 150+ profiles Free tone browsing and demo matching before paid subscription Unlimited tone saves and gear preset storage Community library with researched tone sources
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	Every recommended setting actually exists on your specific amp—no phantom controls or made-up channels Gear-aware AI that accounts for differences between amp types, not generic settings for all users Real-recording analysis and researched gear data, not AI hallucination Works on your existing gear—no need to own the same equipment as the original artist
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	30 no change since last check
Trust Flow (Majestic)	3	7
Citation Flow (Majestic)	19	25
Referring domains (Majestic)	48	112

5 details filled in for both companies.

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