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

Specification	Fastrack Limitless FS2+ ₹1,599 Prices and availability may change on the seller's site View Price	Noise Colorfit Icon 2 ₹1,499 Prices and availability may change on the seller's site View Price	Noise Twist Go ₹1,399 Prices and availability may change on the seller's site View Price	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
General
In The Box	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	1 Unit Smartwatch, 1 Unit USB Magnetic Charging Cable, 1 Unit User Manual, 1 Unit Warranty Card
Model Name	Fastrack Limitless FS2+	Colorfit Icon 2	NoiseFit Twist Go	boAt Lunar Atlas
Launch Date	10/07/2024	17/07/2022	31/10/2023	06/02/2026
Colors	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Ranger Black, Phantom Blue
Brand	Fastrack	Noise	Noise	BoAt
Display
Display Size	2.01, 5.1	1.8, 4.57	1.39, 3.53	1.39, 3.5
Resolution	320, 320 pixels	240, 280 pixels	240, 240 pixels	240, 240 pixels
Panel Type	TFT LCD UltraVU Display	LCD	TFT LCD	Color HD Display (TFT-LCD)
Touch Type	Capacitive Touchscreen	Capacitive Touchscreen	Full Touch	Full Capacitive Touch
Always-on Display	No	No	No	No
Brightness	Not specified	500 nits	Up to 500 nits	500 nits
Refresh Rate	Not specified	Not specified	60Hz	60 Hz
Color Gamut / HDR Support	Standard color gamut, no HDR support	Not specified	Not Specified	Standard
Screen Protection	Not specified	Not specified	2.5D Glass	Flat Toughened Glass
Body
Dimensions	Not Specified	44.5 x 36.5 x 11 mm	Round Dial, approx. 46mm diameter (exact mm not specified)	264.9 x 48.6 x 12.9 mm
Weight	48 grams	53.5 grams	Approx. 40g - 45g	Not Specified
Case Material	Polycarbonate	Zinc alloy and Polycarbonate	Metallic Finish (Zinc Alloy) with Polycarbonate back	Rugged Metallic Alloy Middle Frame with Plastic Bottom
Front Protection	Not specified	Not specified	2.5D Curved Glass	Toughened Flat Glass
Strap / Bracelet Options	Silicone	Silicone strap	22mm Silicone, Metallic Link, or Mesh options	22mm Silicone Strap
Removable / Replaceable Strap	No	Yes	Yes	Yes
Water Resistance	IP68 (1.5m water resistance)	IP67	IP67 Water Resistant	IP68 water resistant up to 1.5m for 10 minutes
Dust Resistance	Yes, dust proof (IP68 certified)	IP67	IP67 Dust Resistant	Dust proof
Durability Certifications	IP68 certified	None mentioned	Not Specified	IP68 Certified
Primary Controls	Functional Crown (touch-sensitive), Touchscreen	Touch Screen, 1x Side Button (Power/Wake)	Touch Screen, Functional Rotating Crown	Touch Screen, Functional Rotating Crown, Side Buttons
Processor
Operating System	Android, iOS compatible	Proprietary OS	Noise OS (RTOS)	Proprietary RTOS
Chipset / SoC	Not Specified	Not specified	Single-chip Tru Sync™ Technology	Not Specified
CPU Cores & Clock Speed	Not Specified	Not specified	Not Specified	Not Specified (Optimized for low power)
GPU	Not specified	Not specified	Not Specified	—
Health & Fitness Sensors
Heart Rate Monitor	24x7 Heart Rate Monitoring	Yes (Optical PPG sensor)	24/7 Heart Rate Monitor	Continuous Optical Heart Rate Monitoring
ECG	No ECG support	No	No	Not Available
SpO₂ / Blood Oxygen	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes	SpO2 Monitoring	SpO2 Blood Oxygen Monitoring
Skin Temperature Sensor	Not mentioned	No	No	Not Available
Sleep Tracking	Sleep Tracker with sleep quality analysis	Yes	Sleep Monitor with Stages	Sleep Stage Tracking (Light, Deep, REM)
Step Counter	Pedometer / Step Counter	Yes	Yes	Integrated Pedometer
GPS	Connected GPS (via smartphone only)	No (Connected GPS via smartphone)	No (Connected GPS)	App-Powered GPS Tracking (Connected via Phone)
Accelerometer	Yes, Accelerometer sensor	Yes	Yes	Tri-axial Accelerometer
Gyroscope	Not specified	Not specified	No	Not Available
Barometer	Not specified	Not specified	No	Not Available
Compass	Not specified	Not specified	No	Not Available
Other Sensors	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, Breathing exercise tracking	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress Monitoring, Female Cycle Tracking
Connectivity
Wi-Fi	No Wi-Fi support	No	No	No Wi-Fi support
Bluetooth	Bluetooth 5.3	5.1	Bluetooth v5.3	Bluetooth version 5.4
NFC	No	No	No	No
Cellular Connectivity	Bluetooth calling only (SingleSync), no standalone cellular	No	No	None
ANT+	Not Specified	No	No	No
Battery
Capacity	280 mAh Lithium Polymer	260 mAh	210 mAh	410 mAh
Fast Charging Support	Yes - NitroFast Charging (10 min for 1 day use)	No	No	Full charge in approximately 50 minutes
Estimated Runtime	Up to 7 days typical use, 10+ days standby	4-7 days	Up to 7 Days (Typical), 2 Days (Calling)	7-10 days typical; 2-3 days calling
Charging Method	Magnetic charging connector	Magnetic charging cable	Magnetic Charging	USB Magnetic 2-pin Pogo Cable
Battery Saver Modes	Not mentioned	Not specified	Power Saving Mode	Automatic trigger at 10% battery
Memory & Storage
RAM	Not officially specified	Not specified	Not Specified	Not Specified
Internal Storage	Not officially specified	Not specified	Stores call logs and up to 10 contacts	Flash memory for health data and contacts
Expandable Storage	Not applicable	No	No	No
Design & Comfort
Bezel Type	Fixed, minimal bezel	Fixed bezel	Fixed Metallic Bezel	Fixed Rugged Bezel
Buttons / Crown	Functional Crown (touch and pressure sensitive)	1x Side Button for power on/off and wake functions	2 (Side Button + Rotating Crown)	Functional Rotating Crown and 2 Physical Buttons
Vibration Motor	Yes, haptic feedback vibration motor	Yes	Yes	Haptic Vibration Motor
Screen Glass Type	Not specified	Not specified	2.5D Curved Glass	Flat Toughened Glass
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS capability available	No	No	SOS emergency calling via phone
Menstrual Cycle / Health Tracking	Women's Health Tracking with menstrual cycle tracking	Yes	Female Cycle Tracker	Female Wellness Tracking via App
Noise Monitoring	Not mentioned	No	No	Not Available
Guided Breathing / Mindfulness Features	Breathe Exercise feature	Yes (Breathing exercises, Stress measurement)	Breathe Practice	Guided Breathing / Relax Mode
Audio & Voice
Built-in Speaker	Yes, built-in speaker	Yes	Yes	Built-in speaker for Bluetooth calls
Microphone	Yes, high-quality microphone	Yes	Yes	Built-in microphone with ENx Noise Suppression
Voice Assistant	Yes, AI Voice Assistant (compatible with Alexa)	Yes	AI Voice Assistant (Siri/Google)	Siri and Google Assistant supported
Bluetooth Audio Output	Yes, via Bluetooth headphones	No	No	Audio via watch speaker
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes	Call, SMS, Social Media, Email	Alerts for calls, SMS, and app notifications
Quick Reply Options	Predefined Quick Replies (Android only)	Predefined messages	Quick Reply (Android Only)	Predefined quick reply for calls (Android only)
Music Control / Playback	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Remote music control (Play/Pause, Volume, Track control)	Remote Music Control	Remote music control for phone
Find My Phone	Yes, Find My Phone feature	Yes	Yes	Available via Bluetooth
Remote Camera Shutter	Yes, Camera Control feature	Yes	Yes	Remote shutter control for phone
Security
Fingerprint Sensor	Not Specified	No	No	No
Face Unlock	Not Specified	No	No	No
NFC Payment Security	No NFC support	No	No	Not Available
Find My Watch	Not explicitly mentioned	Yes (via NoiseFit companion app)	Yes (via App)	Available via boAt Crest App
Ports & Accessories
Charging Connector Type	Magnetic charging connector (proprietary)	Magnetic charging pins	Magnetic Pogo Pin	Magnetic Pogo Pin
Optional Docks / Stands	None mentioned	Not specified	None	Not Available
Bundled Extras	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Not Specified	Charging Cable, User Manual	1 Magnetic Charging Cable
Software & Apps
App Store Availability	Fastrack Smart World App (Google Play compatible)	No	No	No standalone app store
Customization Options	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	100+ cloud-based watch faces	100+ Cloud Watch Faces	100+ Cloud Watch Faces, Customizable Watch Face Studio
Companion App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit (for iOS) / NoiseFit Track (for Android)	NoiseFit App	boAt Crest App
OTA Updates	Yes, over-the-air updates available	Yes	Yes	Firmware updates via App
Pre-installed Apps	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	100+ Sports Modes, QR Tray, Weather, Calculator, Games