Mikrotik RouterOS hadir dalam berbagai level. Tiap level memiliki kemampuannya masing-masing
Mulai dari level 1 hingga level 6. Secara singkat Level 1 bersiifat trial, level 3 digunakan untuk router berinterface ethernet, level 4 untuk wireless client atau serial interface, level 5 untuk wireless AP, dan level 6 tidak mempunyai limitasi apapun.
Detail perbedaan masing-masing level dapat dilihat pada tabel di bawah ini:
| Level number | 1 (DEMO) | 3 (ISP) | 4 (WISP) | 5 (WISPAP) | 6 (Controller) |
| Wireless Client and Bridge | – | – | yes | yes | yes |
| Wireless AP | – | – | – | yes | yes |
| Synchronous interfaces | – | – | yes | yes | yes |
| EoIP tunnels | 1 | unlimited | unlimited | unlimited | unlimited |
| PPPoE tunnels | 1 | 200 | 200 | 500 | unlimited |
| PPTP tunnels | 1 | 200 | 200 | unlimited | unlimited |
| L2TP tunnels | 1 | 200 | 200 | unlimited | unlimited |
| VLAN interfaces | 1 | unlimited | unlimited | unlimited | unlimited |
| P2P firewall rules | 1 | unlimited | unlimited | unlimited | unlimited |
| NAT rules | 1 | unlimited | unlimited | unlimited | unlimited |
| HotSpot active users | 1 | 1 | 200 | 500 | unlimited |
| RADIUS client | – | yes | yes | yes | yes |
| Queues | 1 | unlimited | unlimited | unlimited | unlimited |
| Web proxy | – | yes | yes | yes | yes |
| RIP, OSPF, BGP protocols | – | yes | yes | yes | yes |
| Upgrade | configuration erased on upgrade | yes | yes | yes | yes |