Brunton TruArc 15 vs CalTopo Premium Subscription

Weight and specs compared for 2026 — and which one to choose.

CalTopo Premium Subscription is the lighter option — 40 g lighter than the Brunton TruArc 15 (100% less weight). If grams matter to you, that is the one to beat.

Spec	Brunton TruArc 15	CalTopo Premium Subscription
Weight	40 g · 0.040 kg · 0.09 lb	0 g · 0.000 kg · 0.00 lb
Brand	Brunton	CalTopo
Category	Navigation	Navigation

Brunton TruArc 15

40 g

Global needle compass. Works anywhere on Earth.

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CalTopo Premium Subscription

0 g

Digital topo mapping service. Plan routes and download offline maps.

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Brunton TruArc 15 vs CalTopo Premium Subscription: which should you buy?

If saving weight is your priority, the CalTopo Premium Subscription wins — at 0 g it is 40 g (100%) lighter than the Brunton TruArc 15 (40 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest navigation page, or browse the full gear weight database.

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