Happy Shrimp 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.

Happy Shrimp compared with SFX Engine
Detail	Happy Shrimp	SFX Engine
What it does	Turn one line into a complete song with lyrics, vocals and arrangement	AI sound effect generator that creates royalty-free SFX from text descriptions in seconds
Stage	MVP	Not given
Founded	2026	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free tier available. Paid plans: Basic at $14.90/month (1,000 credits/month) and Premium at $32.90/month (3,000 credits/month). Save up to 51% with yearly billing.	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	Text to full song generation from mood, memory or story Smart lyrics generation and optimization in Chinese or English Reference audio for style transfer Style transfer to reimagine audio in new genres Music recipes showing prompts behind each song Scene presets for moods like late-night emo, workout, sleep, coffee-afternoon and focus Community plaza to publish, discover and engage with AI-generated music Extend music seamlessly up to 8 minutes WAV export for high-quality lossless audio Vocal removal with 2-stem or multi-stem splitting	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	End-to-end full-track generation planning lyrics, melody, arrangement and vocals together in one pass Deep understanding of both professional music terminology and everyday language Strong control over vocal gender, singing style, key, BPM, instrumentation and emotional progression Commercial licensing available with credits-based usage system	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)	40 −1 (down) since last check	40 +1 (up) since last check
Trust Flow (Majestic)	19	26
Citation Flow (Majestic)	33	42
Referring domains (Majestic)	144	850

5 details filled in for both companies.

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