DJI - Osmo Action 3 vs DJI - Osmo Pocket 3

These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.

Pick the Osmo Action 3 if you care most about waterproof depth. The biggest gaps in its favor are waterproof depth.

Pick the Osmo Pocket 3 if you care most about stabilization. Its strongest claims are stabilization.

Both ship with comparable max video, max 4k fps, horizon lock, so those specs do not separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.