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#1 on this list
Gaia GPS
Trailbehind, INC.
Best overall
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- Reader rating
- No reader votes yet
- How we assessed it
- Specification researched
#2 on this list
CalTopo
CalTopo LLC
Best for detailed route planning
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- Reader rating
- No reader votes yet
- How we assessed it
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Specs side by side
| Spec | Gaia GPS | CalTopo |
|---|---|---|
| Price / subscription | Free download; paid Premium/Outside+ subscription for offline maps. | Free download; paid plans available; check current offline-map entitlement before subscribing. |
| Platforms | iOS and Android | iOS and Android |
| Offline maps | Yes — paid subscription | Yes — downloadable maps and layers |
| Maker | Trailbehind, INC. | CalTopo LLC |
What our reviewers liked and didn't
Gaia GPS
- Extensive map selection
- Offline navigation with Premium
- Route planning and track recording
- Offline maps require payment
- Layer selection takes preparation
CalTopo
- Detailed terrain layers
- Shared maps and device syncing
- Offline GPS tracking
- Requires time to learn layers
- Live updates require connectivity
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.