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