RPG Builder 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.

RPG Builder compared with Shalltear Engine
Detail	RPG Builder	Shalltear Engine
What it does	The DM's toolkit for D&D 5e: prep, run and remember every session	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 plan with 10 credits and core generators; Pro at $12/month with 500 credits/month and unlimited campaigns; Ultra at $39/month with 2000 credits/month and higher resolution exports.	Free to use with no fees, royalties, or revenue share. Full ownership of all created content.
Key features	Complete D&D 5e SRD reference library Exportable content in PDF and Foundry JSON formats	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	All generators save directly to campaign without retyping between tools Characters, worlds and images are fully exportable and belong to the user SRD content clearly marked and separated from original generation	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)	1 no change since last check	1 no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	20	13
Referring domains (Majestic)	7	4

5 details filled in for both companies.

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