SFX Engine vs MelodyWiz

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

SFX Engine compared with MelodyWiz
Detail	SFX Engine	MelodyWiz
What it does	AI sound effect generator that creates royalty-free SFX from text descriptions in seconds	AI music transcription: convert audio to MIDI and sheet music, scan scores, detect song keys
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	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	Free: 5 transcription jobs daily. Downloads are one-time purchases: up to 2 pages $2.99, 3–9 pages $5.99, 10+ pages $9.99 for MusicXML + MIDI; Rehearsal Pack with practice MP3s and slow mixes $3 more. Credit packs: $9 unlocks 4 pieces, $19 unlocks 10. Practice Passes: $9.99 for 30 days or $29 for 90
Key features	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	Transcribe audio files (MP3, WAV, FLAC, OGG) to MIDI and sheet music Scan sheet music PDFs and photos into editable MusicXML Detect song key, Camelot code and BPM Browser preview with highlighted notes before downloading Note-matching exercises with microphone or keyboard input Harmonic-ghost filter to remove phantom octave notes from transcription Quality metrics displayed on every transcription job
What makes it different	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	Tuned transcription engine with harmonic-ghost filter, not an API wrapper Honest quality metrics on every job showing notes detected and ghosts filtered Free daily use with no account required One-time payments per piece, no subscription required Professional notation engraving and MusicXML output for editing in music software
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 (up) since last check	13 no change since last check
Trust Flow (Majestic)	26	0
Citation Flow (Majestic)	42	13
Referring domains (Majestic)	850	1

5 details filled in for both companies.

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