These engines overlap far more than they differ — all four draw vector tiles well. The differences worth choosing on are the licence, what ships in the SDK (routing, geocoding, contour generation, shadows) and how much of the map you can change at runtime.
| Massif Mapsthis SDK | MapLibre GL NativeBSD-2 | Mapbox Maps SDKproprietary | Tangram ESMIT | |
|---|---|---|---|---|
| The basics | ||||
| Licence | ●BSD 3-Clause | ●BSD 2-Clause | ○Proprietary, account and token required | ●MIT |
| Access token / account needed | ●None. Bring your own tiles | ●None | ○Required, and billed per map load | ●None |
| Actively maintained | ● | ● | ● | ○Upstream archived; this project tracks a fork |
| Platforms | ◐Android, iOS. Desktop and web next | ●Android, iOS, desktop, plus GL JS on the web | ●Android, iOS, web | ●Android, iOS, Linux, macOS |
| Styling | ||||
| Style language | ●CartoCSS | ●MapLibre / Mapbox GL style JSON | ●Mapbox GL style JSON | ●YAML scene files |
| Convert a MapBox / MapLibre style | ◐massif-style mapbox2css, with a coverage report | ●Native format | ●Native format | ○ |
| Change a style value without re-decoding tiles | ●Live style parameters — repaint only | ◐Runtime style API, per property | ◐Runtime style API, per property | ◐Scene updates re-parse the scene |
| Custom shaders in the style | ●Raster shaders, sky shader, post-processing passes | ◐Custom layers, written against the GL context | ◐Custom layers | ●Shader blocks in the scene file |
| Terrain and relief | ||||
| 3D terrain | ●RTT fill draping, depth-correct occlusion, auto-flatten | ● | ● | ● |
| Hillshade | ●GDAL, Igor and multidirectional, plus exaggeration | ● | ● | ● |
| Contour lines generated on the fly | ●From RGB elevation tiles — no pre-baked contour data | ○Needs a contour tile source | ○Needs a contour tile source | ◐Shader contours in the scene |
| Sun shadows | ◐Cascaded shadow maps on 3D buildings; terrain cast shadows wired but off | ○ | ◐3D lighting for models | ○ |
| Elevation queries from the app | ●getElevation on the hillshade layer | ●queryTerrainElevation | ● | ? |
| Data formats | ||||
| Mapbox Vector Tiles | ● | ● | ● | ● |
| PMTiles | ●Built in, local or over HTTP range requests | ◐Via a protocol handler / plugin | ○ | ○ |
| MBTiles | ● | ◐Via a custom source | ○ | ● |
| MapLibre Tiles (MLT) | ◐Decoder only — reads MLT, does not write it | ◐The reference implementation, in progress | ○ | ○ |
| App GeoJSON tiled and styled like a tile source | ●geojson-vt pyramid, then CartoCSS | ●GeoJSON source | ● | ● |
| Beyond drawing the map | ||||
| Routing in the SDK | ●Valhalla embedded, online and offline; SGRE indoor | ○ | ◐A separate Navigation SDK, billed separately | ○ |
| Offline geocoding | ●OSM packages on the device | ○ | ○Hosted service | ○ |
| Offline maps | ●MBTiles, PMTiles, persistent cache, bundled styles | ●Offline manager and ambient cache | ●Offline regions | ◐MBTiles |
| JavaScript binding for a mobile framework | ◐NativeScript today; Flutter and React Native planned | ●React Native, Flutter, community-maintained | ●React Native, Flutter | ○ |
| One id/JSON API across every language | ●The surface API — same strings from Java, Swift, TS or C | ○A per-platform binding | ○A per-platform binding | ○ |
● yes ◐ partial, see the note ○ no ? not checked
Where Massif Maps is the weaker choice
- Only Android and iOS today. If you need the same renderer on the web, MapLibre is one project across native and GL JS. Desktop and web are on the roadmap, not shipped.
- CartoCSS, not GL style JSON. The ecosystem of ready-made styles is written for the Mapbox format. The style CLI converts one and reports exactly what it could not carry, but that is a conversion, not a drop-in.
- Smaller community. Fewer answered questions, fewer third-party bindings, one maintainer team.
Where it is the stronger one
- Outdoor and mountain maps. On-the-fly contours from elevation tiles, terrain shadows, a physical sky and the peak-finder relief look are in the SDK rather than in your app.
- Routing and geocoding without a service. Valhalla is embedded and runs offline; geocoding reads OSM packages on the device.
- One API from every language. The surface API is ids and JSON, so the same map code reads the same in Kotlin, Swift, TypeScript and C — and a new SDK feature reaches every binding without a binding change.
- No token, no billing, no account. BSD 3-Clause, your own tiles.
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