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Detailed side-by-side comparison of specifications, features and latest prices in India.

Specification	boAt Lunar Atlas,GPS Tracking,1.39″ Display,Rugged Body,Functional Crown Smartwatch ₹1,899 Prices and availability may change on the seller's site View Price	Noise Junior Champ 3 ₹1,999 Prices and availability may change on the seller's site View Price	Noise Twist Round dial ₹1,499 Prices and availability may change on the seller's site View Price	Boult Crown R Pro ₹1,699 Prices and availability may change on the seller's site View Price
General
In The Box	1 Unit Smartwatch, 1 Unit USB Magnetic Charging Cable, 1 Unit User Manual, 1 Unit Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	boAt Lunar Atlas	Noise Junior Champ 3	NoiseFit Twist	Crown R Pro
Launch Date	06/02/2026	30/09/2025	12/01/2023	18/06/2023
Colors	Ranger Black, Phantom Blue	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Frozen Silver, Thunder Black, Volcanic Orange
Brand	BoAt	Noise	Noise	GoBoult
Display
Display Size	1.39, 3.5	1.4, 3.55	1.38, 3.5	1.43, 3.63
Resolution	240, 240 pixels	240, 240 pixels	240, 240 pixels	466, 466 pixels
Panel Type	Color HD Display (TFT-LCD)	IPS LCD	TFT LCD with 246 PPI pixel density	Super AMOLED
Touch Type	Full Capacitive Touch	Capacitive Touchscreen	Multi-touch capacitive touchscreen	Full Touch
Always-on Display	No	No	No	Yes
Brightness	500 nits	5-level adjustable brightness	550 nits peak brightness	600 nits
Refresh Rate	60 Hz	Not Specified	Standard 60Hz (typical for TFT)	60 Hz
Color Gamut / HDR Support	Standard	Not Specified	Standard RGB color gamut	Not Specified
Screen Protection	Flat Toughened Glass	Not Specified	Not specified	2.5D Curved Glass
Body
Dimensions	264.9 x 48.6 x 12.9 mm	44 x 40 x 13 mm	45.7 x 52.2 x 11.9 mm	46 x 46 x 11 mm (Approx)
Weight	Not Specified	31 grams	27.6 grams	56.5 g
Case Material	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Acrylonitrile Butadiene Styrene (ABS) plastic	PC+ABS plastic with metal unibody appearance	Zinc Alloy Frame
Front Protection	Toughened Flat Glass	Not Specified	Not specified	Glass
Strap / Bracelet Options	22mm Silicone Strap	Hypoallergenic silicone strap	22mm silicone with quick-release mechanism	Silicone, Metallic (variant dependent)
Removable / Replaceable Strap	Yes	Not Specified	Yes	Yes
Water Resistance	IP68 water resistant up to 1.5m for 10 minutes	1 ATM (Up to 10m depth splash resistance)	IP68 - Water resistant to 1.5m depth	IP67 Water Resistant
Dust Resistance	Dust proof	Not Specified	IP68 - Dust resistant	IP67 Dust Resistant
Durability Certifications	IP68 Certified	IP Certified	IP68 certified	None
Primary Controls	Touch Screen, Functional Rotating Crown, Side Buttons	Touch screen and single physical side button	Touch screen with gesture controls and wake-up gesture	Touch Screen, Functional Crown, Push Button
Processor
Operating System	Proprietary RTOS	Proprietary Kids Smartwatch OS	Proprietary Real-Time Operating System (RTOS)	Boult OS (RTOS)
Chipset / SoC	Not Specified	Not Specified	Not publicly disclosed	Single-chip 2-in-1 Bluetooth SoC
CPU Cores & Clock Speed	Not Specified (Optimized for low power)	Not Specified	Not specified	Not Specified
GPU	—	—	Not specified	Not Specified
Health & Fitness Sensors
Heart Rate Monitor	Continuous Optical Heart Rate Monitoring	Optical heart rate sensor	Yes - 24/7 continuous optical PPG monitoring	24/7 Heart Rate Monitor
ECG	Not Available	Not Supported	Not available	No
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen Monitoring	SpO2 Blood Oxygen sensor	Yes - Blood oxygen saturation monitoring	SpO2 Sensor
Skin Temperature Sensor	Not Available	Not Supported	Not available	No
Sleep Tracking	Sleep Stage Tracking (Light, Deep, REM)	Monitors sleep duration and quality	Yes - Automatic sleep detection with stage analysis	Sleep Monitor (Light, Deep, REM)
Step Counter	Integrated Pedometer	Built-in pedometer	Yes - Pedometer with step tracking	Yes
GPS	App-Powered GPS Tracking (Connected via Phone)	No built-in GPS tracking	Not available - Bluetooth only	Connected GPS
Accelerometer	Tri-axial Accelerometer	3-axis accelerometer	Yes - Motion detection	Yes
Gyroscope	Not Available	Not Specified	Yes - Rotation sensing	Not Specified
Barometer	Not Available	Not Supported	Not available	No
Compass	Not Available	Not Supported	Not available	No
Other Sensors	Stress Monitoring, Female Cycle Tracking	Step counter, Calorie tracker, Distance tracker	Stress monitor, activity tracking, calorie counter, female cycle tracker	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training
Connectivity
Wi-Fi	No Wi-Fi support	Not Supported	Not available	No
Bluetooth	Bluetooth version 5.4	Bluetooth v5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.2
NFC	No	No	No	No
Cellular Connectivity	None	No Cellular/SIM support	None - Bluetooth only	No
ANT+	No	No	No	No
Battery
Capacity	410 mAh	270 mAh	300 mAh lithium-ion	Not Specified (Approx 250-300mAh)
Fast Charging Support	Full charge in approximately 50 minutes	Not Specified	Not available	No
Estimated Runtime	7-10 days typical; 2-3 days calling	Up to 3 to 5 days on typical use	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 5 Days (Typical)
Charging Method	USB Magnetic 2-pin Pogo Cable	Magnetic Pogo Pin	Proprietary magnetic pogo pins connector	Magnetic Charging
Battery Saver Modes	Automatic trigger at 10% battery	Scheduled Power Off	Brightness reduction, disable 24/7 HR monitoring, low power mode	Yes
Memory & Storage
RAM	Not Specified	Not Specified	Not specified	Not Specified
Internal Storage	Flash memory for health data and contacts	Not Specified	Limited (cloud-based watch faces only)	Not Specified
Expandable Storage	No	No	Not available	No
Design & Comfort
Bezel Type	Fixed Rugged Bezel	Fixed bezel with switchable poppy bumpers	Fixed circular bezel with flat surface design	Fixed
Buttons / Crown	Functional Rotating Crown and 2 Physical Buttons	Single physical side button	No physical buttons - Touch controls only	Rotating Crown + 1 Button
Vibration Motor	Haptic Vibration Motor	Built-in vibration for alerts	Yes - Linear haptic motor for haptic feedback	Yes
Screen Glass Type	Flat Toughened Glass	Not Specified	Standard protective glass (not specified)	2.5D Glass
Health & Safety Features
Fall Detection / SOS Calling	SOS emergency calling via phone	On-device SOS button and manual emergency contact storage	Not available	No
Menstrual Cycle / Health Tracking	Female Wellness Tracking via App	Not Supported	Yes - Female health tracking with cycle prediction	Female Health Tracker
Noise Monitoring	Not Available	No	Not available	No
Guided Breathing / Mindfulness Features	Guided Breathing / Relax Mode	Not Specified	Yes - Breathe Practice guided breathing exercises	Breath Training
Audio & Voice
Built-in Speaker	Built-in speaker for Bluetooth calls	Built-in speaker for alerts and learning audio	Yes - For Bluetooth calling	Yes
Microphone	Built-in microphone with ENx Noise Suppression	Built-in microphone for voice notes	Yes - For Bluetooth calling	Yes
Voice Assistant	Siri and Google Assistant supported	No	Not available	Yes (AI Voice Assistant)
Bluetooth Audio Output	Audio via watch speaker	No	Not available - No music streaming	No
Notifications & Controls
Notification Support	Alerts for calls, SMS, and app notifications	Call alerts, SMS/text alerts, and App notifications	Yes - Call alerts, SMS alerts, app notifications with preview	Call, SMS, App Notifications
Quick Reply Options	Predefined quick reply for calls (Android only)	Not Specified	Yes - Predefined quick reply messages only	No
Music Control / Playback	Remote music control for phone	Remote music control for paired smartphone	Yes - Remote phone music control (play/pause, volume, track skip)	Music Control (Phone)
Find My Phone	Available via Bluetooth	Yes	Yes - Locate paired smartphone	Yes
Remote Camera Shutter	Remote shutter control for phone	Yes	Yes - Remote camera trigger for photos	Yes
Security
Fingerprint Sensor	No	No	No	No
Face Unlock	No	No	No	No
NFC Payment Security	Not Available	No	Not available	No
Find My Watch	Available via boAt Crest App	Yes, via Noise Junior App	Not available	Yes (via App)
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Magnetic Pogo Pin	Proprietary magnetic pogo pins connector	Magnetic Pogo Pin
Optional Docks / Stands	Not Available	Not Specified	None mentioned	None
Bundled Extras	1 Magnetic Charging Cable	1 Smartwatch, 1 Magnetic Charger, 2 Extra Switchable Bumpers, User Manual, Warranty Card	Magnetic charging cable, user manual, warranty card	Charging Cable, User Manual
Software & Apps
App Store Availability	No standalone app store	No proprietary watch app store	Cloud-based proprietary store via NoiseFit app	None
Customization Options	100+ Cloud Watch Faces, Customizable Watch Face Studio	100+ Cloud-based watch faces; 3-in-1 look via switchable bumpers	100+ cloud-based watch faces with customization through NoiseFit app	150+ Watch Faces, Menu Styles
Companion App	boAt Crest App	Noise Junior App	NoiseFit App - Health tracking, notifications, watch face management	Boult Fit (GoBoult Fit)
OTA Updates	Firmware updates via App	Supports over-the-air firmware updates	Yes - OTA firmware updates available	Yes
Pre-installed Apps	100+ Sports Modes, QR Tray, Weather, Calculator, Games	Learning Hub (Games, EduCards, Quizzes), Habit Builder, Smart Scheduler, Alarm, Timer, Stopwatch, Weather	Noise Health Suite, Breathe Practice, Female Health Tracker, Stress Monitor, Sleep Monitor, Activity Tracker, 100+ Sports Modes, Calculator, Weather, Reminders, Alarm, Timer, Stopwatch, World Clock	Alarm, Stopwatch, Weather, Calculator, Games