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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 Go ₹1,499 Prices and availability may change on the seller's site View Price	boAt Lunar Discovery ₹1,499 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
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	1 Smartwatch, 1 USB Magnetic Charging Cable, 1 User Manual, 1 Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	boAt Lunar Atlas	Noise Junior Champ 3	NoiseFit Twist Go	Lunar Discovery	NoiseFit Twist
Launch Date	06/02/2026	30/09/2025	31/10/2023	25/10/2024	12/01/2023
Colors	Ranger Black, Phantom Blue	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue
Brand	BoAt	Noise	Noise	BoAt	Noise
Display
Display Size	1.39, 3.5	1.4, 3.55	1.39, 3.53	1.39, 3.53	1.38, 3.5
Resolution	240, 240 pixels	240, 240 pixels	240, 240 pixels	240, 240 pixels	240, 240 pixels
Panel Type	Color HD Display (TFT-LCD)	IPS LCD	TFT LCD	TFT LCD (HD Display)	TFT LCD with 246 PPI pixel density
Touch Type	Full Capacitive Touch	Capacitive Touchscreen	Full Touch	MultiTouch	Multi-touch capacitive touchscreen
Always-on Display	No	No	No	Not Specified	No
Brightness	500 nits	5-level adjustable brightness	Up to 500 nits	Not specified	550 nits peak brightness
Refresh Rate	60 Hz	Not Specified	60Hz	Not specified	Standard 60Hz (typical for TFT)
Color Gamut / HDR Support	Standard	Not Specified	Not Specified	Not specified	Standard RGB color gamut
Screen Protection	Flat Toughened Glass	Not Specified	2.5D Glass	Not specified	Not specified
Body
Dimensions	264.9 x 48.6 x 12.9 mm	44 x 40 x 13 mm	Round Dial, approx. 46mm diameter (exact mm not specified)	44.0 x 45.9 x 12.3 mm	45.7 x 52.2 x 11.9 mm
Weight	Not Specified	31 grams	Approx. 40g - 45g	45 g	27.6 grams
Case Material	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Acrylonitrile Butadiene Styrene (ABS) plastic	Metallic Finish (Zinc Alloy) with Polycarbonate back	Aluminum Alloy middle frame with plastic bottom	PC+ABS plastic with metal unibody appearance
Front Protection	Toughened Flat Glass	Not Specified	2.5D Curved Glass	Standard glass	Not specified
Strap / Bracelet Options	22mm Silicone Strap	Hypoallergenic silicone strap	22mm Silicone, Metallic Link, or Mesh options	Silicon and Metal straps available	22mm silicone with quick-release mechanism
Removable / Replaceable Strap	Yes	Not Specified	Yes	Yes	Yes
Water Resistance	IP68 water resistant up to 1.5m for 10 minutes	1 ATM (Up to 10m depth splash resistance)	IP67 Water Resistant	IP67	IP68 - Water resistant to 1.5m depth
Dust Resistance	Dust proof	Not Specified	IP67 Dust Resistant	IP67	IP68 - Dust resistant
Durability Certifications	IP68 Certified	IP Certified	Not Specified	Not Specified	IP68 certified
Primary Controls	Touch Screen, Functional Rotating Crown, Side Buttons	Touch screen and single physical side button	Touch Screen, Functional Rotating Crown	Touch screen + Functional rotary crown (side button)	Touch screen with gesture controls and wake-up gesture
Processor
Operating System	Proprietary RTOS	Proprietary Kids Smartwatch OS	Noise OS (RTOS)	Crest+ OS	Proprietary Real-Time Operating System (RTOS)
Chipset / SoC	Not Specified	Not Specified	Single-chip Tru Sync™ Technology	Not specified	Not publicly disclosed
CPU Cores & Clock Speed	Not Specified (Optimized for low power)	Not Specified	Not Specified	Not specified	Not specified
GPU	—	—	Not Specified	Not specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Continuous Optical Heart Rate Monitoring	Optical heart rate sensor	24/7 Heart Rate Monitor	Yes (Optical PPG sensor)	Yes - 24/7 continuous optical PPG monitoring
ECG	Not Available	Not Supported	No	No	Not available
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen Monitoring	SpO2 Blood Oxygen sensor	SpO2 Monitoring	Yes	Yes - Blood oxygen saturation monitoring
Skin Temperature Sensor	Not Available	Not Supported	No	No	Not available
Sleep Tracking	Sleep Stage Tracking (Light, Deep, REM)	Monitors sleep duration and quality	Sleep Monitor with Stages	Yes (monitors sleep quality, hours slept)	Yes - Automatic sleep detection with stage analysis
Step Counter	Integrated Pedometer	Built-in pedometer	Yes	Yes (Pedometer with daily step count)	Yes - Pedometer with step tracking
GPS	App-Powered GPS Tracking (Connected via Phone)	No built-in GPS tracking	No (Connected GPS)	Connected GPS	Not available - Bluetooth only
Accelerometer	Tri-axial Accelerometer	3-axis accelerometer	Yes	Yes (G-sensor)	Yes - Motion detection
Gyroscope	Not Available	Not Specified	No	Yes	Yes - Rotation sensing
Barometer	Not Available	Not Supported	No	No	Not available
Compass	Not Available	Not Supported	No	No	Not available
Other Sensors	Stress Monitoring, Female Cycle Tracking	Step counter, Calorie tracker, Distance tracker	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress Monitor, Energy Score tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker
Connectivity
Wi-Fi	No Wi-Fi support	Not Supported	No	No	Not available
Bluetooth	Bluetooth version 5.4	Bluetooth v5.3	Bluetooth v5.3	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology
NFC	No	No	No	Yes	No
Cellular Connectivity	None	No Cellular/SIM support	No	No	None - Bluetooth only
ANT+	No	No	No	No	No
Battery
Capacity	410 mAh	270 mAh	210 mAh	260 mAh (Lithium Polymer)	300 mAh lithium-ion
Fast Charging Support	Full charge in approximately 50 minutes	Not Specified	No	Yes	Not available
Estimated Runtime	7-10 days typical; 2-3 days calling	Up to 3 to 5 days on typical use	Up to 7 Days (Typical), 2 Days (Calling)	Up to 7 days	7 days typical use, 25 days standby, 2 days with heavy BT calling
Charging Method	USB Magnetic 2-pin Pogo Cable	Magnetic Pogo Pin	Magnetic Charging	Magnetic charging cable	Proprietary magnetic pogo pins connector
Battery Saver Modes	Automatic trigger at 10% battery	Scheduled Power Off	Power Saving Mode	DND mode, various power saving settings	Brightness reduction, disable 24/7 HR monitoring, low power mode
Memory & Storage
RAM	Not Specified	Not Specified	Not Specified	Not Specified	Not specified
Internal Storage	Flash memory for health data and contacts	Not Specified	Stores call logs and up to 10 contacts	Not Specified	Limited (cloud-based watch faces only)
Expandable Storage	No	No	No	Not Specified	Not available
Design & Comfort
Bezel Type	Fixed Rugged Bezel	Fixed bezel with switchable poppy bumpers	Fixed Metallic Bezel	Fixed bezel	Fixed circular bezel with flat surface design
Buttons / Crown	Functional Rotating Crown and 2 Physical Buttons	Single physical side button	2 (Side Button + Rotating Crown)	1 functional crown/button	No physical buttons - Touch controls only
Vibration Motor	Haptic Vibration Motor	Built-in vibration for alerts	Yes	Yes	Yes - Linear haptic motor for haptic feedback
Screen Glass Type	Flat Toughened Glass	Not Specified	2.5D Curved Glass	Not specified	Standard protective glass (not specified)
Health & Safety Features
Fall Detection / SOS Calling	SOS emergency calling via phone	On-device SOS button and manual emergency contact storage	No	Emergency SOS feature (press and hold to alert contacts)	Not available
Menstrual Cycle / Health Tracking	Female Wellness Tracking via App	Not Supported	Female Cycle Tracker	Not available	Yes - Female health tracking with cycle prediction
Noise Monitoring	Not Available	No	No	No	Not available
Guided Breathing / Mindfulness Features	Guided Breathing / Relax Mode	Not Specified	Breathe Practice	Yes (Breathe Training Mode / Relax Mode)	Yes - Breathe Practice guided breathing exercises
Audio & Voice
Built-in Speaker	Built-in speaker for Bluetooth calls	Built-in speaker for alerts and learning audio	Yes	Yes (HD speaker)	Yes - For Bluetooth calling
Microphone	Built-in microphone with ENx Noise Suppression	Built-in microphone for voice notes	Yes	Yes (Built-in HD microphone)	Yes - For Bluetooth calling
Voice Assistant	Siri and Google Assistant supported	No	AI Voice Assistant (Siri/Google)	Yes	Not available
Bluetooth Audio Output	Audio via watch speaker	No	No	Yes	Not available - No music streaming
Notifications & Controls
Notification Support	Alerts for calls, SMS, and app notifications	Call alerts, SMS/text alerts, and App notifications	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging Alerts, App Notifications	Yes - Call alerts, SMS alerts, app notifications with preview
Quick Reply Options	Predefined quick reply for calls (Android only)	Not Specified	Quick Reply (Android Only)	Predefined quick replies available	Yes - Predefined quick reply messages only
Music Control / Playback	Remote music control for phone	Remote music control for paired smartphone	Remote Music Control	Yes (Play/Pause, Volume Control, Track navigation)	Yes - Remote phone music control (play/pause, volume, track skip)
Find My Phone	Available via Bluetooth	Yes	Yes	Yes	Yes - Locate paired smartphone
Remote Camera Shutter	Remote shutter control for phone	Yes	Yes	Yes	Yes - Remote camera trigger for photos
Security
Fingerprint Sensor	No	No	No	No	No
Face Unlock	No	No	No	No	No
NFC Payment Security	Not Available	No	No	No	Not available
Find My Watch	Available via boAt Crest App	Yes, via Noise Junior App	Yes (via App)	Yes (via app)	Not available
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic USB charging cable	Proprietary magnetic pogo pins connector
Optional Docks / Stands	Not Available	Not Specified	None	Not included	None mentioned
Bundled Extras	1 Magnetic Charging Cable	1 Smartwatch, 1 Magnetic Charger, 2 Extra Switchable Bumpers, User Manual, Warranty Card	Charging Cable, User Manual	Magnetic charging cable, User manual, Warranty QR card	Magnetic charging cable, user manual, warranty card
Software & Apps
App Store Availability	No standalone app store	No proprietary watch app store	No	Not Supported	Cloud-based proprietary store via NoiseFit app
Customization Options	100+ Cloud Watch Faces, Customizable Watch Face Studio	100+ Cloud-based watch faces; 3-in-1 look via switchable bumpers	100+ Cloud Watch Faces	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	100+ cloud-based watch faces with customization through NoiseFit app
Companion App	boAt Crest App	Noise Junior App	NoiseFit App	boAt Crest App (Android 7.0+, iOS 14.0+)	NoiseFit App - Health tracking, notifications, watch face management
OTA Updates	Firmware updates via App	Supports over-the-air firmware updates	Yes	Yes (via companion app)	Yes - OTA firmware updates available
Pre-installed Apps	100+ Sports Modes, QR Tray, Weather, Calculator, Games	Learning Hub (Games, EduCards, Quizzes), Habit Builder, Smart Scheduler, Alarm, Timer, Stopwatch, Weather	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	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