Side by side

Genshin Optimizer vs GrimTools

Both stand on game build planners. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Genshin Optimizer

Free plan Web

Genshin Optimizer focuses on turning a player's inventory and preferences into character-build suggestions, with imports, teams, and loadouts also available. Its README identifies its calculation engine as deprecated, a detail to keep in mind when assessing the project.

Visit Genshin Optimizer

GrimTools

Free plan WebWindows

GrimTools offers build planning, equipment selection, item lookup, and sharing for Grim Dawn, with an offline desktop option as well. Keep its save-upload and dual-wield calculation caveats in mind when using the calculator.

Visit GrimTools

The facts

	Genshin Optimizer	GrimTools
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Web	Web, Windows
Lowest paid plan	Not published	Not published
Plans published	None	None
Maker	Not published	Not published
Website	frzyc.github.io	grimtools.com
On game build planners	#14 of 22	#10 of 22

Genshin Optimizer: what it does well

Free web tool
Generates builds from owned items and player preferences
Tracks artifacts, weapons, and characters
Supports GOOD inventory imports
Teams, loadouts, and substat solver are completed features

What to know first

The Waverider calculation engine is deprecated
Listed platform is web
Not affiliated with or endorsed by HoYoverse

GrimTools: what it does well

Build calculator covers attributes, combat stats, and resistances
Completed builds can be shared by link
Equipment selections show combined item stats
Offline version includes build-list management
Includes item database and skill tree planner

What to know first

Save upload does not support character saves from mods
Dual-wield ranged attack speeds differ from in-game values
Does not support Internet Explorer versions below 11

Alternatives to Genshin Optimizer Alternatives to GrimTools The whole list