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  3. Master Aqua Pro vs Tiger 4242

ETA Master Aqua Pro vs ETA Tiger 4242

What Master Aqua Pro does better (3) and where Tiger 4242 wins (1) — every spec side by side.

ETA Master Aqua Pro
ETA · 2026Master Aqua Pro
7.5Score
3 advantages≈ US$330
vs
ETA Tiger 4242
ETA · 2025Tiger 4242
8.7Score
1 advantage≈ US$290
Higher score
6.0Cleaning power8.7
4.3Navigation8.6
6.4Base station4.9
7.8Battery9.2

Why is Master Aqua Pro better than Tiger 4242?

  1. Runtime240 min vs 160 min+50%
  2. Base stationMop-washing dock vs Charging dock
  3. Dustbin (robot)800 ml vs 600 ml+33%

Why is Tiger 4242 better than Master Aqua Pro?

  1. Charging time360 min vs 300 min+20%
Specifications

Side by side

ETA Master Aqua ProETA Master Aqua Pro≈ US$3307.5
ETA Tiger 4242ETA Tiger 4242≈ US$2908.7
Suction & cleaning
Suction power8,000 Pa—
Dustbin (robot)800 ml600 ml
Main brushSingle main brush—
Anti-tangle brushYes—
Side brushes1—
Carpet detectionYes—
HEPA filterYesYes
Noise level75 dB—
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Cliff sensors, Ultrasonic sensorLiDAR laser (LDS)
Obstacle avoidanceBasic sensors (infrared / bumper)—
No-go zones / virtual wallsYes—
Room mapping & room selectionYesYes
Mopping
Mop typeRotating mop pads—
Mop lifting on carpetsYes—
Mop lift height10 mm—
Base station
Base stationMop-washing dockCharging dock
Mop washing in the dockYes—
Hot-air mop dryingYes—
Automatic water refillYes—
Clean water tank (dock)3.3 l—
Dirty water tank (dock)3.7 l—
Battery & runtime
Battery capacity5,200 mAh—
Runtime240 min160 min
Charging time360 min300 min
Size & weight
Width / diameter349 mm—
Length349 mm—
Height105 mm—
Weight3.5 kg—
ShapeRoundRound
ColoursWhiteWhite
App & smart home
App controlYes—
Voice assistants—Amazon Alexa, Google Assistant
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