Quaddle vs RIVR TWO
Quadruped robot spec comparison: Petoi vs RIVR.
Petoi
Quaddle
50 / 100 Robo2u Score
Palm-sized 4-servo open-source robot dog kit, Kickstarter funded, shipping December 2026; Builder price shown
RIVR
RIVR TWO
79 / 100 Robo2u Score
Second-gen wheeled-legged quadruped for autonomous last-mile delivery right to the doorstep
| Spec | Quaddle | RIVR TWO |
|---|---|---|
| Released | 2026-09 | 2026-03 |
| Status | Pre-order | Deployed |
| Payload | n/a | 27 kg |
| Weight | 0.17 kg | n/a |
| Degrees of freedom | 4 | n/a |
| Runtime | n/a | n/a |
| Top speed | n/a | 3.89 m/s |
| Price | $179 | n/a |
| Robo2u Score | 50 | 79 |
Highlighted = better on that spec (lower is better for price and weight; newer for release). The Robo2u Score is a transparent composite: see the Quadruped Robots for the full field.
