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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 Twist Round dial ₹1,599 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 Colorfit Icon 2 ₹1,499 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	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	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card
Model Name	Fastrack Limitless FS2+	NoiseFit Twist	boAt Lunar Atlas	Colorfit Icon 2
Launch Date	10/07/2024	12/01/2023	06/02/2026	17/07/2022
Colors	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Ranger Black, Phantom Blue	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	Fastrack	Noise	BoAt	Noise
Display
Display Size	2.01, 5.1	1.38, 3.5	1.39, 3.5	1.8, 4.57
Resolution	320, 320 pixels	240, 240 pixels	240, 240 pixels	240, 280 pixels
Panel Type	TFT LCD UltraVU Display	TFT LCD with 246 PPI pixel density	Color HD Display (TFT-LCD)	LCD
Touch Type	Capacitive Touchscreen	Multi-touch capacitive touchscreen	Full Capacitive Touch	Capacitive Touchscreen
Always-on Display	No	No	No	No
Brightness	Not specified	550 nits peak brightness	500 nits	500 nits
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	60 Hz	Not specified
Color Gamut / HDR Support	Standard color gamut, no HDR support	Standard RGB color gamut	Standard	Not specified
Screen Protection	Not specified	Not specified	Flat Toughened Glass	Not specified
Body
Dimensions	Not Specified	45.7 x 52.2 x 11.9 mm	264.9 x 48.6 x 12.9 mm	44.5 x 36.5 x 11 mm
Weight	48 grams	27.6 grams	Not Specified	53.5 grams
Case Material	Polycarbonate	PC+ABS plastic with metal unibody appearance	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Zinc alloy and Polycarbonate
Front Protection	Not specified	Not specified	Toughened Flat Glass	Not specified
Strap / Bracelet Options	Silicone	22mm silicone with quick-release mechanism	22mm Silicone Strap	Silicone strap
Removable / Replaceable Strap	No	Yes	Yes	Yes
Water Resistance	IP68 (1.5m water resistance)	IP68 - Water resistant to 1.5m depth	IP68 water resistant up to 1.5m for 10 minutes	IP67
Dust Resistance	Yes, dust proof (IP68 certified)	IP68 - Dust resistant	Dust proof	IP67
Durability Certifications	IP68 certified	IP68 certified	IP68 Certified	None mentioned
Primary Controls	Functional Crown (touch-sensitive), Touchscreen	Touch screen with gesture controls and wake-up gesture	Touch Screen, Functional Rotating Crown, Side Buttons	Touch Screen, 1x Side Button (Power/Wake)
Processor
Operating System	Android, iOS compatible	Proprietary Real-Time Operating System (RTOS)	Proprietary RTOS	Proprietary OS
Chipset / SoC	Not Specified	Not publicly disclosed	Not Specified	Not specified
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 - 24/7 continuous optical PPG monitoring	Continuous Optical Heart Rate Monitoring	Yes (Optical PPG sensor)
ECG	No ECG support	Not available	Not Available	No
SpO₂ / Blood Oxygen	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes - Blood oxygen saturation monitoring	SpO2 Blood Oxygen Monitoring	Yes
Skin Temperature Sensor	Not mentioned	Not available	Not Available	No
Sleep Tracking	Sleep Tracker with sleep quality analysis	Yes - Automatic sleep detection with stage analysis	Sleep Stage Tracking (Light, Deep, REM)	Yes
Step Counter	Pedometer / Step Counter	Yes - Pedometer with step tracking	Integrated Pedometer	Yes
GPS	Connected GPS (via smartphone only)	Not available - Bluetooth only	App-Powered GPS Tracking (Connected via Phone)	No (Connected GPS via smartphone)
Accelerometer	Yes, Accelerometer sensor	Yes - Motion detection	Tri-axial Accelerometer	Yes
Gyroscope	Not specified	Yes - Rotation sensing	Not Available	Not specified
Barometer	Not specified	Not available	Not Available	Not specified
Compass	Not specified	Not available	Not Available	Not specified
Other Sensors	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress Monitoring, Female Cycle Tracking	Stress monitor, Breathing exercise tracking
Connectivity
Wi-Fi	No Wi-Fi support	Not available	No Wi-Fi support	No
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth version 5.4	5.1
NFC	No	No	No	No
Cellular Connectivity	Bluetooth calling only (SingleSync), no standalone cellular	None - Bluetooth only	None	No
ANT+	Not Specified	No	No	No
Battery
Capacity	280 mAh Lithium Polymer	300 mAh lithium-ion	410 mAh	260 mAh
Fast Charging Support	Yes - NitroFast Charging (10 min for 1 day use)	Not available	Full charge in approximately 50 minutes	No
Estimated Runtime	Up to 7 days typical use, 10+ days standby	7 days typical use, 25 days standby, 2 days with heavy BT calling	7-10 days typical; 2-3 days calling	4-7 days
Charging Method	Magnetic charging connector	Proprietary magnetic pogo pins connector	USB Magnetic 2-pin Pogo Cable	Magnetic charging cable
Battery Saver Modes	Not mentioned	Brightness reduction, disable 24/7 HR monitoring, low power mode	Automatic trigger at 10% battery	Not specified
Memory & Storage
RAM	Not officially specified	Not specified	Not Specified	Not specified
Internal Storage	Not officially specified	Limited (cloud-based watch faces only)	Flash memory for health data and contacts	Not specified
Expandable Storage	Not applicable	Not available	No	No
Design & Comfort
Bezel Type	Fixed, minimal bezel	Fixed circular bezel with flat surface design	Fixed Rugged Bezel	Fixed bezel
Buttons / Crown	Functional Crown (touch and pressure sensitive)	No physical buttons - Touch controls only	Functional Rotating Crown and 2 Physical Buttons	1x Side Button for power on/off and wake functions
Vibration Motor	Yes, haptic feedback vibration motor	Yes - Linear haptic motor for haptic feedback	Haptic Vibration Motor	Yes
Screen Glass Type	Not specified	Standard protective glass (not specified)	Flat Toughened Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS capability available	Not available	SOS emergency calling via phone	No
Menstrual Cycle / Health Tracking	Women's Health Tracking with menstrual cycle tracking	Yes - Female health tracking with cycle prediction	Female Wellness Tracking via App	Yes
Noise Monitoring	Not mentioned	Not available	Not Available	No
Guided Breathing / Mindfulness Features	Breathe Exercise feature	Yes - Breathe Practice guided breathing exercises	Guided Breathing / Relax Mode	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes, built-in speaker	Yes - For Bluetooth calling	Built-in speaker for Bluetooth calls	Yes
Microphone	Yes, high-quality microphone	Yes - For Bluetooth calling	Built-in microphone with ENx Noise Suppression	Yes
Voice Assistant	Yes, AI Voice Assistant (compatible with Alexa)	Not available	Siri and Google Assistant supported	Yes
Bluetooth Audio Output	Yes, via Bluetooth headphones	Not available - No music streaming	Audio via watch speaker	No
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview	Alerts for calls, SMS, and app notifications	Yes
Quick Reply Options	Predefined Quick Replies (Android only)	Yes - Predefined quick reply messages only	Predefined quick reply for calls (Android only)	Predefined messages
Music Control / Playback	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes - Remote phone music control (play/pause, volume, track skip)	Remote music control for phone	Remote music control (Play/Pause, Volume, Track control)
Find My Phone	Yes, Find My Phone feature	Yes - Locate paired smartphone	Available via Bluetooth	Yes
Remote Camera Shutter	Yes, Camera Control feature	Yes - Remote camera trigger for photos	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	Not available	Not Available	No
Find My Watch	Not explicitly mentioned	Not available	Available via boAt Crest App	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic charging connector (proprietary)	Proprietary magnetic pogo pins connector	Magnetic Pogo Pin	Magnetic charging pins
Optional Docks / Stands	None mentioned	None mentioned	Not Available	Not specified
Bundled Extras	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Magnetic charging cable, user manual, warranty card	1 Magnetic Charging Cable	Not Specified
Software & Apps
App Store Availability	Fastrack Smart World App (Google Play compatible)	Cloud-based proprietary store via NoiseFit app	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 with customization through NoiseFit app	100+ Cloud Watch Faces, Customizable Watch Face Studio	100+ cloud-based watch faces
Companion App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App - Health tracking, notifications, watch face management	boAt Crest App	NoiseFit (for iOS) / NoiseFit Track (for Android)
OTA Updates	Yes, over-the-air updates available	Yes - OTA firmware updates available	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	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	100+ Sports Modes, QR Tray, Weather, Calculator, Games	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)