If you download the complete of each map, it will require approximately the following space:
| Map | Data size in GB |
| OS Road Map | 0.3 |
| OS 1:50,000 Landranger | 3.3 |
| OS 1:50,000 HD Landranger | 8 |
| OS 1:25,000 Explorer | 7 |
| OS 1:25,000 HD Explorer | 27 |
| OS Open Map Local | 33 |
| OS Vector Map Local Colour | 50 |
| GroundRanger | 3.3 |
| France 1:1,000,000 | 0.3 |
| France 1:100.000 | 3.5 |
| France 1:25,000 | 28 |
| OS StreetView | 22 |