AutoChart.eu vs Shalltear Engine

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

AutoChart.eu compared with Shalltear Engine
Detail	AutoChart.eu	Shalltear Engine
What it does	Turn any song into a playable full-band chart for rhythm games	A free, lightweight C++ game engine with native scripting and hot reload
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
Pricing	Free trial: 1 song conversion up to 10 minutes. Single: €3.00 (1 credit). Album: €20.00 (10 credits, €2.00 per song). Playlist: €40.00 (40 credits, €1.00 per song). Longer songs up to 20 minutes use 2 credits. All prices include VAT.	Free to use with no fees, royalties, or revenue share. Full ownership of all created content.
Key features	Automatic drum, guitar, bass and vocal charting Word-by-word synced lyrics for vocal play Multiple difficulty levels (Easy, Medium, Hard, Expert) Live progress tracking during conversion Support for MP3 and FLAC formats up to 20 minutes and 200 MB Multi-language lyric support including Latin alphabet, Japanese, Korean and Chinese Conversion times typically 5 to 30 minutes Automatic credit refund on failed conversions	Hot reload C++ scripting with state preservation Visual editor with dockable, detachable panels Prefabs with nested variants and live propagation Physics system with multiple joint types Audio mixer with effects and real-time processing Asset import from glTF, FBX, and multiple formats Standalone Windows x64 player with content cooking
What makes it different	Requires no technical knowledge or MIDI files to create playable charts Works out of the box with YARG and Clone Hero without additional setup No subscription model; credits never expire First song is completely free with no payment required Supports up to four-player full-band gameplay	Free and open-source with no royalties or revenue share Perpetual license terms that cannot change after build distribution
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	1 no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	18	13
Referring domains (Majestic)	5	4

5 details filled in for both companies.

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