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Home› Smartwatches› Compare Smartwatches › Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma
⚖ Comparison 2026

Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma

Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma — detailed side-by-side specs, prices and verdict.

⚡ Quick Answer

Which is better: ?

Comparing Pebble Cosmos Ultra 2.0 and boAt Wave Sigma: boAt Wave Sigma is the better pick for the lowest price, the longest battery life and value for money; Pebble Cosmos Ultra 2.0 is the better pick for health and fitness tracking, display quality and software experience.

Last updated: · Prices in INR.

⚖
Comparing
3 smartwatches · 40+ specs
Pebble
Pebble Cosmos Ultra 2.0
★★★★☆ 4.2
₹1,999
MRP ₹5,499
↓ Save ₹3,500
View Prices →
boAt
boAt Wave Sigma
★★★★☆ 4.1
₹1,599
MRP ₹7,499
↓ Save ₹5,900
View Prices →
＋
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    Key Stats

    💰 Best Price
    ₹1,599
    boAt Wave Sigma
    ★ Winner
    🔋 Best Battery
    Up to 5 Days
    Pebble Cosmos Ultra 2.0
    ★ Winner
    ❤️ Best Health
    6.4 / 10
    Pebble Cosmos Ultra 2.0
    ★ Winner
    📊 Overall Scores

    Expert Scores by Category

    ❤️ Health & SensorsPebble Cosmos Ultra 2.0 wins
    Pebble Cosmos Ultra 2.0
    6.4
    boAt Wave Sigma
    6
    🔋 Battery LifePebble Cosmos Ultra 2.0 wins
    Pebble Cosmos Ultra 2.0
    7.5
    boAt Wave Sigma
    7.5
    📺 Display QualityPebble Cosmos Ultra 2.0 wins
    Pebble Cosmos Ultra 2.0
    7
    boAt Wave Sigma
    6.5
    💰 Value for MoneyboAt Wave Sigma wins
    Pebble Cosmos Ultra 2.0
    8
    boAt Wave Sigma
    8.5
    Software User ExperiencePebble Cosmos Ultra 2.0 wins
    Pebble Cosmos Ultra 2.0
    7
    boAt Wave Sigma
    6.5
    🔍 Key Differences

    Key Differences: Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma

    Feature
    Pebble Cosmos Ultra 2.0
    boAt Wave Sigma
    Price ₹1,999₹1,599
    Display Size 1.91 inches2.01 inches
    Resolution 240 x 286 pixels240 x 296 pixels
    Battery Life Up to 5 DaysUp to 7 Days
    Sports Modes 100+700+
    Bluetooth Version 5.15.0
    📋 Full Specifications

    Side-by-Side Spec Comparison

    ★ = category winner  |  Blue highlight = best in that row

    Pebble
    Pebble Cosmos Ultra 2.0
    boAt
    boAt Wave Sigma
    🎨 Design
    Dial Color
    Silver
    Black
    --
    Dial Shape
    Rectangle
    Rectangle
    --
    Strap Color
    Blue
    Purple
    --
    Strap Material
    Silicone
    Silicone
    --
    Dial Material
    Metal Alloy
    Polycarbonate
    --
    Size
    Free Size
    One Size
    --
    Number of Buttons
    1
    1
    --
    Closure
    Buckle
    Buckle
    --
    Scratch Resistant
    No
    --
    --
    Water Resistant
    Yes
    Yes
    --
    Water Resistance Depth
    100 m
    --
    --
    IP / ATM Rating
    IP67
    IP67
    --
    Rotating Crown / Bezel
    No
    No
    --
    📺 Display
    Display Type
    LCD
    LCD
    --
    Display Size
    1.91 inches
    2.01 inches
    --
    Display Resolution
    240 x 286 pixels
    240 x 296 pixels
    --
    Touchscreen
    Yes
    Yes
    --
    Backlight Display
    Yes
    Yes
    --
    Date & Time Display
    Digital
    Digital
    --
    Peak Brightness
    600 nits
    550 nits
    --
    Always-On Display
    No
    No
    --
    Other Display Features
    600 nits Brightness
    Wake Gesture
    --
    🔋 Battery
    Battery Life
    Up to 5 Days
    Up to 7 Days
    --
    Rechargable Battery
    Yes
    Yes
    --
    Battery Type
    Lithium Polymer
    Lithium Polymer
    --
    Battery Capacity
    230 mAh
    230 mAh
    --
    Charge Time
    2 hours
    2 hours
    --
    Charger Type
    Magnetic Charger
    Magnetic Charger
    --
    Wireless Charging
    No
    No
    --
    Fast Charging
    No
    No
    --
    Standby Time
    Up to 5 Days
    Up to 30 Days
    --
    ❤️ Health & Sensors
    Sensor
    Optical Heart Rate Sensor, SpO2 Sensor, Accelerometer
    Accelerometer, Optical Heart Rate Sensor, SpO2 Sensor
    --
    Heart Rate Monitor
    Yes
    Yes
    --
    Step Count
    Yes
    Yes
    --
    Calorie Count
    Yes
    Yes
    --
    GPS
    No
    No
    --
    Compass
    No
    No
    --
    Altimeter
    No
    No
    --
    Blood Oxygen (SpO2)
    Yes
    Yes
    --
    ECG
    No
    No
    --
    Blood Pressure Monitor
    Yes
    No
    --
    Skin Temperature Sensor
    No
    No
    --
    Sleep Tracking
    Yes
    Yes
    --
    Stress Monitoring
    No
    No
    --
    Respiratory Rate
    No
    No
    --
    Women's Health / Cycle Tracking
    Yes
    No
    --
    Sports Modes
    100+
    700+
    --
    VO2 Max
    No
    No
    --
    Fall Detection
    No
    No
    --
    Crash Detection
    No
    No
    --
    Emergency SOS
    No
    No
    --
    Other Fitness Features
    Sleep Monitoring, Sedentary Reminder, Pedometer
    Sleep Tracking, Sedentary Reminder, Breathing Exercise
    --
    💡 Smart Features
    Call Function
    Bluetooth Calling
    Bluetooth Calling
    --
    Call Features
    Dial Pad, Recent Calls, Contact Sync
    Dial Pad, Call History, Contact Sync
    --
    Messaging Support
    No
    No
    --
    Email Support
    No
    No
    --
    Notification
    Yes
    Yes
    --
    Notification Type
    Calls, SMS, App Notifications
    Calls, SMS, Social Media Apps
    --
    Voice Control
    Yes
    Yes
    --
    Gesture Control
    Wrist Raise to Wake
    Wrist Raise to Wake
    --
    Third Party App Support
    No
    No
    --
    Calendar
    No
    Yes
    --
    Alarm Clock
    Yes
    Yes
    --
    NFC
    No
    No
    --
    eSIM / Cellular
    No
    No
    --
    Music Control
    Yes
    Yes
    --
    Companion App
    Da Fit
    boAt Crest App
    --
    Watch Faces
    100+
    100+
    --
    Other Watch Functions
    Stopwatch, Timer, Weather, Find My Phone, Remote Camera, Music Control
    Stopwatch, Timer, Weather, Music Control, Find My Phone, Remote Camera
    --
    ⚡ Performance
    Operating System
    Proprietary OS
    Proprietary OS
    --
    Compatible Operating System
    Android, iOS
    Android, iOS
    --
    Expandable Memory
    No
    No
    --
    🎧 Calling & Audio
    Microphone
    Yes
    Yes
    --
    Speaker
    Yes
    Yes
    --
    📡 Connectivity
    Bluetooth
    Yes
    Yes
    --
    Bluetooth Version
    5.1
    5.0
    --
    Wi-Fi
    No
    No
    --
    Compatible Device
    Android, iOS
    Android, iOS
    --
    Operating Range
    10 m
    10 m
    --
    📝 Additional Information
    Usage
    Fitness, Casual
    Fitness, Casual
    --
    Language
    English
    English
    --
    Chronograph
    No
    No
    --
    Warranty
    1 Year
    1 Year
    --
    Watch Type
    Smartwatch
    Smartwatch
    --
    Other Features
    Built-in Games
    Built-in Games, Flashlight
    --
    💰 Price
    Best Price
    ₹1,999
    ₹1,599
    --
    Discount
    63% OFF
    78% OFF
    --
    Buy
    Buy Now
    Buy Now
    --
    🏆 Expert Verdict

    Our Recommendation

    Stylish metallic calling smartwatch
    Pebble Cosmos Ultra 2.0

    Stands out with its premium metallic build, large curved screen, seamless Bluetooth calling, and comprehensive basic health suite.

    View Prices →
    Feature-packed budget watch with Crest OS
    boAt Wave Sigma

    Highlights a custom Crest OS companion app, custom fitness plans, a bright HD display, and multiple active sports modes.

    View Prices →
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    ❓ FAQ

    Compare FAQs

    Pebble Cosmos Ultra 2.0 is priced at ₹1,999; boAt Wave Sigma is priced at ₹1,599. boAt Wave Sigma is the cheapest, ₹400 less than Pebble Cosmos Ultra 2.0.

    Pebble Cosmos Ultra 2.0: Up to 5 Days; boAt Wave Sigma: Up to 7 Days. boAt Wave Sigma claims the longest battery life.

    Pebble Cosmos Ultra 2.0 has a 1.91 inches LCD display; boAt Wave Sigma has a 2.01 inches LCD display.

    Pebble Cosmos Ultra 2.0: Bluetooth Calling; boAt Wave Sigma: Bluetooth Calling.

    Comparing Pebble Cosmos Ultra 2.0 and boAt Wave Sigma: boAt Wave Sigma is the better pick for the lowest price, the longest battery life and value for money; Pebble Cosmos Ultra 2.0 is the better pick for health and fitness tracking, display quality and software experience.