Compare

How Retree stacks up

Every scored claim on these pages was verified against the named library versions in July 2026, and the rows Retree loses are included on purpose. For the live re-render demo behind the pitch, start with Why Retree.

Side by side

Retree vs MobX

The mutable model without observer() wrappers or actions. Verified against MobX 6.16.

Retree vs Valtio

One mutable tree instead of the state/snap split. Verified against Valtio 2.3.

Already committed elsewhere?

Each guide is a concept map with a before/after slice and the gotchas — a routing table, not a tutorial.

Migrate from MobX

observable, observer(), computed, and reactions mapped to their Retree equivalents.

Migrate from Zustand

create/set/get, selectors, and slices mapped to one tree and per-node hooks.

Migrate from Redux Toolkit

Your createSlice reducer bodies already run in Retree — the rest of the machinery retires.

Try the quickstart Why Retree — live re-render comparison