For Hearts of Iron IV
Your HOI4 division planner.
Build templates, plan research, compare doctrines, and discuss strategies with the community. All in one place.
UPDATE Open Skies: the Aircraft Designer is live See what's new →HOI4 division, tanks, ships, and aircraft planning. Live stats, no spreadsheets.
Every build, recalculated live, so you know what you’re committing before you unpause.
All units, modules and slot rules. Experiment in the browser with what's actually allowed and plan a few steps ahead.
Research and doctrines are layered on top of your templates and designs and feed straight into your stats as you plan your army. Walk the tech and doctrine routes you want to play toward and see how each step shifts your numbers.
Stack your saved builds side by side. see deltas on every stat that matters. PRO adds custom indicators, per-IC and per-width efficiency views, and side-by-side comparison across research, doctrine, and equipment swaps.
All your builds, one workspace.
Every build you save lives in your Library. Annotate them with notes on how they're meant to be played, what doctrine they pair with, or where the idea came from. Pick up where you left off on any device.
Post your build.
Let the stats speak.
Rate my build? Every card packs battalion layout, combat stats, and terrain modifiers into one shareable image. Build something. Export it. Drop it anywhere to get feedback.
Reddit · Discord · Anywhere
Don't start from zero.
The community's best builds, already figured out. Browse, load in one click, and iterate from a solid base.
The sharpest tools for players who go deeper.
Path Scanner finds the doctrine or research pick that moves your target stat the most. Plus custom indicators, efficiency ratios, and full path comparison.
What's included · Learn more
9-1 Medium
