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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	boAt Lunar Discovery ₹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	1 Smartwatch, 1 USB Magnetic Charging Cable, 1 User Manual, 1 Warranty Card
Model Name	boAt Lunar Atlas	Noise Junior Champ 3	Lunar Discovery
Launch Date	06/02/2026	30/09/2025	25/10/2024
Colors	Ranger Black, Phantom Blue	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black
Brand	BoAt	Noise	BoAt
Display
Display Size	1.39, 3.5	1.4, 3.55	1.39, 3.53
Resolution	240, 240 pixels	240, 240 pixels	240, 240 pixels
Panel Type	Color HD Display (TFT-LCD)	IPS LCD	TFT LCD (HD Display)
Touch Type	Full Capacitive Touch	Capacitive Touchscreen	MultiTouch
Always-on Display	No	No	Not Specified
Brightness	500 nits	5-level adjustable brightness	Not specified
Refresh Rate	60 Hz	Not Specified	Not specified
Color Gamut / HDR Support	Standard	Not Specified	Not specified
Screen Protection	Flat Toughened Glass	Not Specified	Not specified
Body
Dimensions	264.9 x 48.6 x 12.9 mm	44 x 40 x 13 mm	44.0 x 45.9 x 12.3 mm
Weight	Not Specified	31 grams	45 g
Case Material	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Acrylonitrile Butadiene Styrene (ABS) plastic	Aluminum Alloy middle frame with plastic bottom
Front Protection	Toughened Flat Glass	Not Specified	Standard glass
Strap / Bracelet Options	22mm Silicone Strap	Hypoallergenic silicone strap	Silicon and Metal straps available
Removable / Replaceable Strap	Yes	Not Specified	Yes
Water Resistance	IP68 water resistant up to 1.5m for 10 minutes	1 ATM (Up to 10m depth splash resistance)	IP67
Dust Resistance	Dust proof	Not Specified	IP67
Durability Certifications	IP68 Certified	IP Certified	Not Specified
Primary Controls	Touch Screen, Functional Rotating Crown, Side Buttons	Touch screen and single physical side button	Touch screen + Functional rotary crown (side button)
Processor
Operating System	Proprietary RTOS	Proprietary Kids Smartwatch OS	Crest+ OS
Chipset / SoC	Not Specified	Not Specified	Not specified
CPU Cores & Clock Speed	Not Specified (Optimized for low power)	Not Specified	Not specified
GPU	—	—	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Continuous Optical Heart Rate Monitoring	Optical heart rate sensor	Yes (Optical PPG sensor)
ECG	Not Available	Not Supported	No
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen Monitoring	SpO2 Blood Oxygen sensor	Yes
Skin Temperature Sensor	Not Available	Not Supported	No
Sleep Tracking	Sleep Stage Tracking (Light, Deep, REM)	Monitors sleep duration and quality	Yes (monitors sleep quality, hours slept)
Step Counter	Integrated Pedometer	Built-in pedometer	Yes (Pedometer with daily step count)
GPS	App-Powered GPS Tracking (Connected via Phone)	No built-in GPS tracking	Connected GPS
Accelerometer	Tri-axial Accelerometer	3-axis accelerometer	Yes (G-sensor)
Gyroscope	Not Available	Not Specified	Yes
Barometer	Not Available	Not Supported	No
Compass	Not Available	Not Supported	No
Other Sensors	Stress Monitoring, Female Cycle Tracking	Step counter, Calorie tracker, Distance tracker	Stress Monitor, Energy Score tracking
Connectivity
Wi-Fi	No Wi-Fi support	Not Supported	No
Bluetooth	Bluetooth version 5.4	Bluetooth v5.3	Bluetooth 5.3
NFC	No	No	Yes
Cellular Connectivity	None	No Cellular/SIM support	No
ANT+	No	No	No
Battery
Capacity	410 mAh	270 mAh	260 mAh (Lithium Polymer)
Fast Charging Support	Full charge in approximately 50 minutes	Not Specified	Yes
Estimated Runtime	7-10 days typical; 2-3 days calling	Up to 3 to 5 days on typical use	Up to 7 days
Charging Method	USB Magnetic 2-pin Pogo Cable	Magnetic Pogo Pin	Magnetic charging cable
Battery Saver Modes	Automatic trigger at 10% battery	Scheduled Power Off	DND mode, various power saving settings
Memory & Storage
RAM	Not Specified	Not Specified	Not Specified
Internal Storage	Flash memory for health data and contacts	Not Specified	Not Specified
Expandable Storage	No	No	Not Specified
Design & Comfort
Bezel Type	Fixed Rugged Bezel	Fixed bezel with switchable poppy bumpers	Fixed bezel
Buttons / Crown	Functional Rotating Crown and 2 Physical Buttons	Single physical side button	1 functional crown/button
Vibration Motor	Haptic Vibration Motor	Built-in vibration for alerts	Yes
Screen Glass Type	Flat Toughened Glass	Not Specified	Not specified
Health & Safety Features
Fall Detection / SOS Calling	SOS emergency calling via phone	On-device SOS button and manual emergency contact storage	Emergency SOS feature (press and hold to alert contacts)
Menstrual Cycle / Health Tracking	Female Wellness Tracking via App	Not Supported	Not available
Noise Monitoring	Not Available	No	No
Guided Breathing / Mindfulness Features	Guided Breathing / Relax Mode	Not Specified	Yes (Breathe Training Mode / Relax Mode)
Audio & Voice
Built-in Speaker	Built-in speaker for Bluetooth calls	Built-in speaker for alerts and learning audio	Yes (HD speaker)
Microphone	Built-in microphone with ENx Noise Suppression	Built-in microphone for voice notes	Yes (Built-in HD microphone)
Voice Assistant	Siri and Google Assistant supported	No	Yes
Bluetooth Audio Output	Audio via watch speaker	No	Yes
Notifications & Controls
Notification Support	Alerts for calls, SMS, and app notifications	Call alerts, SMS/text alerts, and App notifications	Call Alerts, SMS/Messaging Alerts, App Notifications
Quick Reply Options	Predefined quick reply for calls (Android only)	Not Specified	Predefined quick replies available
Music Control / Playback	Remote music control for phone	Remote music control for paired smartphone	Yes (Play/Pause, Volume Control, Track navigation)
Find My Phone	Available via Bluetooth	Yes	Yes
Remote Camera Shutter	Remote shutter control for phone	Yes	Yes
Security
Fingerprint Sensor	No	No	No
Face Unlock	No	No	No
NFC Payment Security	Not Available	No	No
Find My Watch	Available via boAt Crest App	Yes, via Noise Junior App	Yes (via app)
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic USB charging cable
Optional Docks / Stands	Not Available	Not Specified	Not included
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 QR card
Software & Apps
App Store Availability	No standalone app store	No proprietary watch app store	Not Supported
Customization Options	100+ Cloud Watch Faces, Customizable Watch Face Studio	100+ Cloud-based watch faces; 3-in-1 look via switchable bumpers	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes
Companion App	boAt Crest App	Noise Junior App	boAt Crest App (Android 7.0+, iOS 14.0+)
OTA Updates	Firmware updates via App	Supports over-the-air firmware updates	Yes (via companion app)
Pre-installed Apps	100+ Sports Modes, QR Tray, Weather, Calculator, Games	Learning Hub (Games, EduCards, Quizzes), Habit Builder, Smart Scheduler, Alarm, Timer, Stopwatch, Weather	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games