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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	Fastrack Limitless FS2+ ₹1,599 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, Quick Start Guide, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	boAt Lunar Atlas	Noise Junior Champ 3	Fastrack Limitless FS2+	NoiseFit Twist
Launch Date	06/02/2026	30/09/2025	10/07/2024	12/01/2023
Colors	Ranger Black, Phantom Blue	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue
Brand	BoAt	Noise	Fastrack	Noise
Display
Display Size	1.39, 3.5	1.4, 3.55	2.01, 5.1	1.38, 3.5
Resolution	240, 240 pixels	240, 240 pixels	320, 320 pixels	240, 240 pixels
Panel Type	Color HD Display (TFT-LCD)	IPS LCD	TFT LCD UltraVU Display	TFT LCD with 246 PPI pixel density
Touch Type	Full Capacitive Touch	Capacitive Touchscreen	Capacitive Touchscreen	Multi-touch capacitive touchscreen
Always-on Display	No	No	No	No
Brightness	500 nits	5-level adjustable brightness	Not specified	550 nits peak brightness
Refresh Rate	60 Hz	Not Specified	Not specified	Standard 60Hz (typical for TFT)
Color Gamut / HDR Support	Standard	Not Specified	Standard color gamut, no HDR support	Standard RGB color gamut
Screen Protection	Flat Toughened Glass	Not Specified	Not specified	Not specified
Body
Dimensions	264.9 x 48.6 x 12.9 mm	44 x 40 x 13 mm	Not Specified	45.7 x 52.2 x 11.9 mm
Weight	Not Specified	31 grams	48 grams	27.6 grams
Case Material	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Acrylonitrile Butadiene Styrene (ABS) plastic	Polycarbonate	PC+ABS plastic with metal unibody appearance
Front Protection	Toughened Flat Glass	Not Specified	Not specified	Not specified
Strap / Bracelet Options	22mm Silicone Strap	Hypoallergenic silicone strap	Silicone	22mm silicone with quick-release mechanism
Removable / Replaceable Strap	Yes	Not Specified	No	Yes
Water Resistance	IP68 water resistant up to 1.5m for 10 minutes	1 ATM (Up to 10m depth splash resistance)	IP68 (1.5m water resistance)	IP68 - Water resistant to 1.5m depth
Dust Resistance	Dust proof	Not Specified	Yes, dust proof (IP68 certified)	IP68 - Dust resistant
Durability Certifications	IP68 Certified	IP Certified	IP68 certified	IP68 certified
Primary Controls	Touch Screen, Functional Rotating Crown, Side Buttons	Touch screen and single physical side button	Functional Crown (touch-sensitive), Touchscreen	Touch screen with gesture controls and wake-up gesture
Processor
Operating System	Proprietary RTOS	Proprietary Kids Smartwatch OS	Android, iOS compatible	Proprietary Real-Time Operating System (RTOS)
Chipset / SoC	Not Specified	Not Specified	Not Specified	Not publicly disclosed
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	24x7 Heart Rate Monitoring	Yes - 24/7 continuous optical PPG monitoring
ECG	Not Available	Not Supported	No ECG support	Not available
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen Monitoring	SpO2 Blood Oxygen sensor	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes - Blood oxygen saturation monitoring
Skin Temperature Sensor	Not Available	Not Supported	Not mentioned	Not available
Sleep Tracking	Sleep Stage Tracking (Light, Deep, REM)	Monitors sleep duration and quality	Sleep Tracker with sleep quality analysis	Yes - Automatic sleep detection with stage analysis
Step Counter	Integrated Pedometer	Built-in pedometer	Pedometer / Step Counter	Yes - Pedometer with step tracking
GPS	App-Powered GPS Tracking (Connected via Phone)	No built-in GPS tracking	Connected GPS (via smartphone only)	Not available - Bluetooth only
Accelerometer	Tri-axial Accelerometer	3-axis accelerometer	Yes, Accelerometer sensor	Yes - Motion detection
Gyroscope	Not Available	Not Specified	Not specified	Yes - Rotation sensing
Barometer	Not Available	Not Supported	Not specified	Not available
Compass	Not Available	Not Supported	Not specified	Not available
Other Sensors	Stress Monitoring, Female Cycle Tracking	Step counter, Calorie tracker, Distance tracker	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker
Connectivity
Wi-Fi	No Wi-Fi support	Not Supported	No Wi-Fi support	Not available
Bluetooth	Bluetooth version 5.4	Bluetooth v5.3	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology
NFC	No	No	No	No
Cellular Connectivity	None	No Cellular/SIM support	Bluetooth calling only (SingleSync), no standalone cellular	None - Bluetooth only
ANT+	No	No	Not Specified	No
Battery
Capacity	410 mAh	270 mAh	280 mAh Lithium Polymer	300 mAh lithium-ion
Fast Charging Support	Full charge in approximately 50 minutes	Not Specified	Yes - NitroFast Charging (10 min for 1 day use)	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 use, 10+ days standby	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 connector	Proprietary magnetic pogo pins connector
Battery Saver Modes	Automatic trigger at 10% battery	Scheduled Power Off	Not mentioned	Brightness reduction, disable 24/7 HR monitoring, low power mode
Memory & Storage
RAM	Not Specified	Not Specified	Not officially specified	Not specified
Internal Storage	Flash memory for health data and contacts	Not Specified	Not officially specified	Limited (cloud-based watch faces only)
Expandable Storage	No	No	Not applicable	Not available
Design & Comfort
Bezel Type	Fixed Rugged Bezel	Fixed bezel with switchable poppy bumpers	Fixed, minimal bezel	Fixed circular bezel with flat surface design
Buttons / Crown	Functional Rotating Crown and 2 Physical Buttons	Single physical side button	Functional Crown (touch and pressure sensitive)	No physical buttons - Touch controls only
Vibration Motor	Haptic Vibration Motor	Built-in vibration for alerts	Yes, haptic feedback vibration motor	Yes - Linear haptic motor for haptic feedback
Screen Glass Type	Flat Toughened Glass	Not Specified	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	Emergency SOS capability available	Not available
Menstrual Cycle / Health Tracking	Female Wellness Tracking via App	Not Supported	Women's Health Tracking with menstrual cycle tracking	Yes - Female health tracking with cycle prediction
Noise Monitoring	Not Available	No	Not mentioned	Not available
Guided Breathing / Mindfulness Features	Guided Breathing / Relax Mode	Not Specified	Breathe Exercise feature	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, built-in speaker	Yes - For Bluetooth calling
Microphone	Built-in microphone with ENx Noise Suppression	Built-in microphone for voice notes	Yes, high-quality microphone	Yes - For Bluetooth calling
Voice Assistant	Siri and Google Assistant supported	No	Yes, AI Voice Assistant (compatible with Alexa)	Not available
Bluetooth Audio Output	Audio via watch speaker	No	Yes, via Bluetooth headphones	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 Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview
Quick Reply Options	Predefined quick reply for calls (Android only)	Not Specified	Predefined Quick Replies (Android only)	Yes - Predefined quick reply messages only
Music Control / Playback	Remote music control for phone	Remote music control for paired smartphone	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes - Remote phone music control (play/pause, volume, track skip)
Find My Phone	Available via Bluetooth	Yes	Yes, Find My Phone feature	Yes - Locate paired smartphone
Remote Camera Shutter	Remote shutter control for phone	Yes	Yes, Camera Control feature	Yes - Remote camera trigger for photos
Security
Fingerprint Sensor	No	No	Not Specified	No
Face Unlock	No	No	Not Specified	No
NFC Payment Security	Not Available	No	No NFC support	Not available
Find My Watch	Available via boAt Crest App	Yes, via Noise Junior App	Not explicitly mentioned	Not available
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic charging connector (proprietary)	Proprietary magnetic pogo pins connector
Optional Docks / Stands	Not Available	Not Specified	None mentioned	None mentioned
Bundled Extras	1 Magnetic Charging Cable	1 Smartwatch, 1 Magnetic Charger, 2 Extra Switchable Bumpers, User Manual, Warranty Card	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Magnetic charging cable, user manual, warranty card
Software & Apps
App Store Availability	No standalone app store	No proprietary watch app store	Fastrack Smart World App (Google Play compatible)	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	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	100+ cloud-based watch faces with customization through NoiseFit app
Companion App	boAt Crest App	Noise Junior App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App - Health tracking, notifications, watch face management
OTA Updates	Firmware updates via App	Supports over-the-air firmware updates	Yes, over-the-air updates available	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	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	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