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⚖ 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.
Which is better: Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma?
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.
- Price: 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.
- Display: Pebble Cosmos Ultra 2.0 has a 1.91 inches LCD display; boAt Wave Sigma has a 2.01 inches LCD display.
- Battery life: Pebble Cosmos Ultra 2.0: Up to 5 Days; boAt Wave Sigma: Up to 7 Days. boAt Wave Sigma claims the longest battery life.
- Calling: Pebble Cosmos Ultra 2.0: Bluetooth Calling; boAt Wave Sigma: Bluetooth Calling.
- Health tracking: Pebble Cosmos Ultra 2.0: Heart Rate, SpO2, Blood Pressure, Sleep Tracking; boAt Wave Sigma: Heart Rate, SpO2, Sleep Tracking.
- Ratings: Pebble Cosmos Ultra 2.0 is rated 4.2/5 from 31,951 ratings; boAt Wave Sigma is rated 4.1/5 from 28,027 ratings.
Last updated: · Prices in INR.
Key Stats
Expert Scores by Category
❤️ Health & Sensors
Pebble Cosmos Ultra 2.0 wins
🔋 Battery Life
Pebble Cosmos Ultra 2.0 wins
📺 Display Quality
Pebble Cosmos Ultra 2.0 wins
💰 Value for Money
boAt Wave Sigma wins
🖥 Software User Experience
Pebble Cosmos Ultra 2.0 wins
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 inches | 2.01 inches |
| Resolution | 240 x 286 pixels | 240 x 296 pixels |
| Battery Life | Up to 5 Days | Up to 7 Days |
| Sports Modes | 100+ | 700+ |
| Bluetooth Version | 5.1 | 5.0 |
Side-by-Side Spec Comparison
Blue highlight = best price.
|
Comparing
2 smartwatches · 40+ specs
|
Pebble
Pebble Cosmos Ultra 2.0
★★★★☆ 4.2 ₹1,999
|
boAt
boAt Wave Sigma
★★★★☆ 4.1 ₹1,599
|
|---|---|---|
| 🎨 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 |
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
Which is cheaper: Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma?
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.
Which has better battery life: Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma?
Pebble Cosmos Ultra 2.0: Up to 5 Days; boAt Wave Sigma: Up to 7 Days. boAt Wave Sigma claims the longest battery life.
How do the displays compare: Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma?
Pebble Cosmos Ultra 2.0 has a 1.91 inches LCD display; boAt Wave Sigma has a 2.01 inches LCD display.
Which of Pebble Cosmos Ultra 2.0 and boAt Wave Sigma supports calling?
Pebble Cosmos Ultra 2.0: Bluetooth Calling; boAt Wave Sigma: Bluetooth Calling.
Which is better: Pebble Cosmos Ultra 2.0 vs boAt Wave Sigma?
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.