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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	Fastrack Limitless FS2+ ₹1,599 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, Quick Start Guide, Warranty Card
Model Name	boAt Lunar Atlas	Noise Junior Champ 3	NoiseFit Twist Go	Fastrack Limitless FS2+
Launch Date	06/02/2026	30/09/2025	31/10/2023	10/07/2024
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	Charcoal Black, Wine Red, Copper Teal, Blue, Beige
Brand	BoAt	Noise	Noise	Fastrack
Display
Display Size	1.39, 3.5	1.4, 3.55	1.39, 3.53	2.01, 5.1
Resolution	240, 240 pixels	240, 240 pixels	240, 240 pixels	320, 320 pixels
Panel Type	Color HD Display (TFT-LCD)	IPS LCD	TFT LCD	TFT LCD UltraVU Display
Touch Type	Full Capacitive Touch	Capacitive Touchscreen	Full Touch	Capacitive Touchscreen
Always-on Display	No	No	No	No
Brightness	500 nits	5-level adjustable brightness	Up to 500 nits	Not specified
Refresh Rate	60 Hz	Not Specified	60Hz	Not specified
Color Gamut / HDR Support	Standard	Not Specified	Not Specified	Standard color gamut, no HDR support
Screen Protection	Flat Toughened Glass	Not Specified	2.5D Glass	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)	Not Specified
Weight	Not Specified	31 grams	Approx. 40g - 45g	48 grams
Case Material	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Acrylonitrile Butadiene Styrene (ABS) plastic	Metallic Finish (Zinc Alloy) with Polycarbonate back	Polycarbonate
Front Protection	Toughened Flat Glass	Not Specified	2.5D Curved Glass	Not specified
Strap / Bracelet Options	22mm Silicone Strap	Hypoallergenic silicone strap	22mm Silicone, Metallic Link, or Mesh options	Silicone
Removable / Replaceable Strap	Yes	Not Specified	Yes	No
Water Resistance	IP68 water resistant up to 1.5m for 10 minutes	1 ATM (Up to 10m depth splash resistance)	IP67 Water Resistant	IP68 (1.5m water resistance)
Dust Resistance	Dust proof	Not Specified	IP67 Dust Resistant	Yes, dust proof (IP68 certified)
Durability Certifications	IP68 Certified	IP Certified	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	Functional Crown (touch-sensitive), Touchscreen
Processor
Operating System	Proprietary RTOS	Proprietary Kids Smartwatch OS	Noise OS (RTOS)	Android, iOS compatible
Chipset / SoC	Not Specified	Not Specified	Single-chip Tru Sync™ Technology	Not Specified
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	24/7 Heart Rate Monitor	24x7 Heart Rate Monitoring
ECG	Not Available	Not Supported	No	No ECG support
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen Monitoring	SpO2 Blood Oxygen sensor	SpO2 Monitoring	SpO2 / Blood Oxygen Monitor with continuous monitoring
Skin Temperature Sensor	Not Available	Not Supported	No	Not mentioned
Sleep Tracking	Sleep Stage Tracking (Light, Deep, REM)	Monitors sleep duration and quality	Sleep Monitor with Stages	Sleep Tracker with sleep quality analysis
Step Counter	Integrated Pedometer	Built-in pedometer	Yes	Pedometer / Step Counter
GPS	App-Powered GPS Tracking (Connected via Phone)	No built-in GPS tracking	No (Connected GPS)	Connected GPS (via smartphone only)
Accelerometer	Tri-axial Accelerometer	3-axis accelerometer	Yes	Yes, Accelerometer sensor
Gyroscope	Not Available	Not Specified	No	Not specified
Barometer	Not Available	Not Supported	No	Not specified
Compass	Not Available	Not Supported	No	Not specified
Other Sensors	Stress Monitoring, Female Cycle Tracking	Step counter, Calorie tracker, Distance tracker	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking
Connectivity
Wi-Fi	No Wi-Fi support	Not Supported	No	No Wi-Fi support
Bluetooth	Bluetooth version 5.4	Bluetooth v5.3	Bluetooth v5.3	Bluetooth 5.3
NFC	No	No	No	No
Cellular Connectivity	None	No Cellular/SIM support	No	Bluetooth calling only (SingleSync), no standalone cellular
ANT+	No	No	No	Not Specified
Battery
Capacity	410 mAh	270 mAh	210 mAh	280 mAh Lithium Polymer
Fast Charging Support	Full charge in approximately 50 minutes	Not Specified	No	Yes - NitroFast Charging (10 min for 1 day use)
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 typical use, 10+ days standby
Charging Method	USB Magnetic 2-pin Pogo Cable	Magnetic Pogo Pin	Magnetic Charging	Magnetic charging connector
Battery Saver Modes	Automatic trigger at 10% battery	Scheduled Power Off	Power Saving Mode	Not mentioned
Memory & Storage
RAM	Not Specified	Not Specified	Not Specified	Not officially specified
Internal Storage	Flash memory for health data and contacts	Not Specified	Stores call logs and up to 10 contacts	Not officially specified
Expandable Storage	No	No	No	Not applicable
Design & Comfort
Bezel Type	Fixed Rugged Bezel	Fixed bezel with switchable poppy bumpers	Fixed Metallic Bezel	Fixed, minimal bezel
Buttons / Crown	Functional Rotating Crown and 2 Physical Buttons	Single physical side button	2 (Side Button + Rotating Crown)	Functional Crown (touch and pressure sensitive)
Vibration Motor	Haptic Vibration Motor	Built-in vibration for alerts	Yes	Yes, haptic feedback vibration motor
Screen Glass Type	Flat Toughened Glass	Not Specified	2.5D Curved 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 capability available
Menstrual Cycle / Health Tracking	Female Wellness Tracking via App	Not Supported	Female Cycle Tracker	Women's Health Tracking with menstrual cycle tracking
Noise Monitoring	Not Available	No	No	Not mentioned
Guided Breathing / Mindfulness Features	Guided Breathing / Relax Mode	Not Specified	Breathe Practice	Breathe Exercise feature
Audio & Voice
Built-in Speaker	Built-in speaker for Bluetooth calls	Built-in speaker for alerts and learning audio	Yes	Yes, built-in speaker
Microphone	Built-in microphone with ENx Noise Suppression	Built-in microphone for voice notes	Yes	Yes, high-quality microphone
Voice Assistant	Siri and Google Assistant supported	No	AI Voice Assistant (Siri/Google)	Yes, AI Voice Assistant (compatible with Alexa)
Bluetooth Audio Output	Audio via watch speaker	No	No	Yes, via Bluetooth headphones
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, App Notifications, Social Media Alerts
Quick Reply Options	Predefined quick reply for calls (Android only)	Not Specified	Quick Reply (Android Only)	Predefined Quick Replies (Android only)
Music Control / Playback	Remote music control for phone	Remote music control for paired smartphone	Remote Music Control	Full music control: Play/Pause, Volume, Previous/Next, Streaming control
Find My Phone	Available via Bluetooth	Yes	Yes	Yes, Find My Phone feature
Remote Camera Shutter	Remote shutter control for phone	Yes	Yes	Yes, Camera Control feature
Security
Fingerprint Sensor	No	No	No	Not Specified
Face Unlock	No	No	No	Not Specified
NFC Payment Security	Not Available	No	No	No NFC support
Find My Watch	Available via boAt Crest App	Yes, via Noise Junior App	Yes (via App)	Not explicitly mentioned
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic charging connector (proprietary)
Optional Docks / Stands	Not Available	Not Specified	None	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	Quick Start Guide, Warranty Card, Magnetic Charging Cable
Software & Apps
App Store Availability	No standalone app store	No proprietary watch app store	No	Fastrack Smart World App (Google Play compatible)
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	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator
Companion App	boAt Crest App	Noise Junior App	NoiseFit App	Fastrack Smart World App (formerly Fastrack Reflex World App)
OTA Updates	Firmware updates via App	Supports over-the-air firmware updates	Yes	Yes, over-the-air 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	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor