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Comparing 2 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

Green is the best of these 2, also when they share the lead.

Tjilla C150 × Best on 2 facts iRobot Roomba Combo 115 × Best on 3 facts
Most important facts
Lowest price 219 €Saturn 209 €Saturn best
Score not in our ranking 5.1
Customer rating ★ 4.6 · 12 reviews ★ 5.0 · 3 reviews
Tests – Just A Dad Approved
Suction power higher is better 11,500 Pa 15,000 Pa best
Runtime per charge longer is better 200 min best 100 min
Climbs thresholds up to higher is better 21 mm best 16 mm
Robot height lower is better 10 cm 7.9 cm best
Mop lift on carpet higher is better – no
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – rank 1 of 5 without a station
Mopping
Mop type same on both flat or vibrating pad flat or vibrating pad
Automatic mop detach same on both no (assumed) no (assumed)
Washes the mop – no
Hot-air drying – no
Station
Station same on both charging dock only charging dock only
Plumbing hookup – no
Brush and obstacles
Anti-tangle brush – no (assumed)
Obstacle avoidance – none
Climbing system for high thresholds same on both no (assumed) no (assumed)
Noise and age
Noise while cleaning not judged 77 dB 63 dB
On the market since October 2023 April 2026
Suction and brushes
Extending side brush same on both no (assumed) no (assumed)
Carpet detection detects carpet and boosts suction –
Suitable for pet hair yes –
Filter type HEPA –
Mopping
Mop extends to the edges no (assumed) yes
Mop refreshed while mopping same on both no (assumed) no (assumed)
Water tank in the robot 350 ml –
Steam same on both no (assumed) no (assumed)
Dock
Empties the dust bin – no
Dries the mop – no
Dispenses detergent – no
Navigation and obstacles
No-go zones zones in the app –
Room-by-room cleaning yes –
Recharge and resume yes –
Stair-edge sensors yes –
Robotic arm same on both no (assumed) no (assumed)
Robot
Dust bin in the robot 680 ml –
Robot diameter – 30.3 cm
Robot weight – 2.15 kg
Battery
Battery capacity 3,200 mAh 2,500 mAh
Area per charge 220 m² –
Smart features and warranty
Matter same on both no (assumed) no (assumed)
Voice assistants Alexa, Google Assistant Alexa, Google Assistant, Siri
Warranty 4 years 2 years
Home Assistant – official integration

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

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