Seed Audio vs SFX Engine

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

Seed Audio compared with SFX Engine
Detail	Seed Audio	SFX Engine
What it does	Free AI audio generator and text-to-speech tool for creating voiceovers, multi-speaker conversations, music, sound effects, and complete audio scenes	AI sound effect generator that creates royalty-free SFX from text descriptions in seconds
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free tier available. Monthly plans: Basic $9.9/mo (450 credits, ~15 audio minutes), Pro $19.9/mo (1,200 credits, ~40 audio minutes), Max $49.9/mo (3,600 credits, ~120 audio minutes). Annual plans save up to 50%. Credit packs at 30 credits/min for paid usage. All paid plans include commercial license	Starter: $10/month or $8/month billed yearly for 500 credits. Creator: $25/month (50% off first month) or $20/month billed yearly for 4,000 credits. Pro: $90/month (50% off first month) or $72/month billed yearly for 15,000 credits. Each sound effect costs 3 credits. Browsing and downloading from th
Key features	Complete audio scenes with voices, emotion, dialogue, sound effects, music and atmosphere in single generation Multi-speaker dialogue for podcasts, dramas and character scenes Voice-guided creation using reference audio Story voiceovers with narration, emotion, pacing, music and atmosphere Cinematic sound scenes with sound effects, movement and space Max 2 minute audio per generation Pitch, speed and volume adjustment MP3 export and generation history Commercial use license Duration-based billing model	AI sound effect generation from text descriptions Sound effects up to 47 seconds long Background music creation DJ transition maker Stem splitter for music Royalty-free commercial license included Free public library of pre-made sounds API access on all plans Voiceover generation
What makes it different	One workspace for complete audio creation without separate voice tracks, sound libraries or manual mixing Reference audio guidance to control tone, style, rhythm and atmosphere Generate full audio scenes from single prompt No credit card required to start creating	Generated sound effects are royalty-free for commercial use without licensing fees Sounds created from text descriptions are unique to your project Generate sounds in 5-15 seconds typically Supports diverse use cases including games, video, podcasts and music production Cancel anytime with no long-term commitment
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)	19 +1 (up) since last check	40 +1 (up) since last check
Trust Flow (Majestic)	21	26
Citation Flow (Majestic)	12	42
Referring domains (Majestic)	84	850

5 details filled in for both companies.

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