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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 Discovery ₹1,365 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	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	1 Smartwatch, 1 USB Magnetic Charging Cable, 1 User Manual, 1 Warranty Card	1 Unit Smartwatch, 1 Unit USB Magnetic Charging Cable, 1 Unit User Manual, 1 Unit Warranty Card
Model Name	Fastrack Limitless FS2+	NoiseFit Twist	Lunar Discovery	boAt Lunar Atlas
Launch Date	10/07/2024	12/01/2023	25/10/2024	06/02/2026
Colors	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Ranger Black, Phantom Blue
Brand	Fastrack	Noise	BoAt	BoAt
Display
Display Size	2.01, 5.1	1.38, 3.5	1.39, 3.53	1.39, 3.5
Resolution	320, 320 pixels	240, 240 pixels	240, 240 pixels	240, 240 pixels
Panel Type	TFT LCD UltraVU Display	TFT LCD with 246 PPI pixel density	TFT LCD (HD Display)	Color HD Display (TFT-LCD)
Touch Type	Capacitive Touchscreen	Multi-touch capacitive touchscreen	MultiTouch	Full Capacitive Touch
Always-on Display	No	No	Not Specified	No
Brightness	Not specified	550 nits peak brightness	Not specified	500 nits
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	Not specified	60 Hz
Color Gamut / HDR Support	Standard color gamut, no HDR support	Standard RGB color gamut	Not specified	Standard
Screen Protection	Not specified	Not specified	Not specified	Flat Toughened Glass
Body
Dimensions	Not Specified	45.7 x 52.2 x 11.9 mm	44.0 x 45.9 x 12.3 mm	264.9 x 48.6 x 12.9 mm
Weight	48 grams	27.6 grams	45 g	Not Specified
Case Material	Polycarbonate	PC+ABS plastic with metal unibody appearance	Aluminum Alloy middle frame with plastic bottom	Rugged Metallic Alloy Middle Frame with Plastic Bottom
Front Protection	Not specified	Not specified	Standard glass	Toughened Flat Glass
Strap / Bracelet Options	Silicone	22mm silicone with quick-release mechanism	Silicon and Metal straps available	22mm Silicone Strap
Removable / Replaceable Strap	No	Yes	Yes	Yes
Water Resistance	IP68 (1.5m water resistance)	IP68 - Water resistant to 1.5m depth	IP67	IP68 water resistant up to 1.5m for 10 minutes
Dust Resistance	Yes, dust proof (IP68 certified)	IP68 - Dust resistant	IP67	Dust proof
Durability Certifications	IP68 certified	IP68 certified	Not Specified	IP68 Certified
Primary Controls	Functional Crown (touch-sensitive), Touchscreen	Touch screen with gesture controls and wake-up gesture	Touch screen + Functional rotary crown (side button)	Touch Screen, Functional Rotating Crown, Side Buttons
Processor
Operating System	Android, iOS compatible	Proprietary Real-Time Operating System (RTOS)	Crest+ OS	Proprietary RTOS
Chipset / SoC	Not Specified	Not publicly disclosed	Not specified	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 - 24/7 continuous optical PPG monitoring	Yes (Optical PPG sensor)	Continuous Optical Heart Rate Monitoring
ECG	No ECG support	Not available	No	Not Available
SpO₂ / Blood Oxygen	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes - Blood oxygen saturation monitoring	Yes	SpO2 Blood Oxygen Monitoring
Skin Temperature Sensor	Not mentioned	Not available	No	Not Available
Sleep Tracking	Sleep Tracker with sleep quality analysis	Yes - Automatic sleep detection with stage analysis	Yes (monitors sleep quality, hours slept)	Sleep Stage Tracking (Light, Deep, REM)
Step Counter	Pedometer / Step Counter	Yes - Pedometer with step tracking	Yes (Pedometer with daily step count)	Integrated Pedometer
GPS	Connected GPS (via smartphone only)	Not available - Bluetooth only	Connected GPS	App-Powered GPS Tracking (Connected via Phone)
Accelerometer	Yes, Accelerometer sensor	Yes - Motion detection	Yes (G-sensor)	Tri-axial Accelerometer
Gyroscope	Not specified	Yes - Rotation sensing	Yes	Not Available
Barometer	Not specified	Not available	No	Not Available
Compass	Not specified	Not available	No	Not Available
Other Sensors	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress Monitor, Energy Score tracking	Stress Monitoring, Female Cycle Tracking
Connectivity
Wi-Fi	No Wi-Fi support	Not available	No	No Wi-Fi support
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.3	Bluetooth version 5.4
NFC	No	No	Yes	No
Cellular Connectivity	Bluetooth calling only (SingleSync), no standalone cellular	None - Bluetooth only	No	None
ANT+	Not Specified	No	No	No
Battery
Capacity	280 mAh Lithium Polymer	300 mAh lithium-ion	260 mAh (Lithium Polymer)	410 mAh
Fast Charging Support	Yes - NitroFast Charging (10 min for 1 day use)	Not available	Yes	Full charge in approximately 50 minutes
Estimated Runtime	Up to 7 days typical use, 10+ days standby	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 7 days	7-10 days typical; 2-3 days calling
Charging Method	Magnetic charging connector	Proprietary magnetic pogo pins connector	Magnetic charging cable	USB Magnetic 2-pin Pogo Cable
Battery Saver Modes	Not mentioned	Brightness reduction, disable 24/7 HR monitoring, low power mode	DND mode, various power saving settings	Automatic trigger at 10% battery
Memory & Storage
RAM	Not officially specified	Not specified	Not Specified	Not Specified
Internal Storage	Not officially specified	Limited (cloud-based watch faces only)	Not Specified	Flash memory for health data and contacts
Expandable Storage	Not applicable	Not available	Not Specified	No
Design & Comfort
Bezel Type	Fixed, minimal bezel	Fixed circular bezel with flat surface design	Fixed bezel	Fixed Rugged Bezel
Buttons / Crown	Functional Crown (touch and pressure sensitive)	No physical buttons - Touch controls only	1 functional crown/button	Functional Rotating Crown and 2 Physical Buttons
Vibration Motor	Yes, haptic feedback vibration motor	Yes - Linear haptic motor for haptic feedback	Yes	Haptic Vibration Motor
Screen Glass Type	Not specified	Standard protective glass (not specified)	Not specified	Flat Toughened Glass
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS capability available	Not available	Emergency SOS feature (press and hold to alert contacts)	SOS emergency calling via phone
Menstrual Cycle / Health Tracking	Women's Health Tracking with menstrual cycle tracking	Yes - Female health tracking with cycle prediction	Not available	Female Wellness Tracking via App
Noise Monitoring	Not mentioned	Not available	No	Not Available
Guided Breathing / Mindfulness Features	Breathe Exercise feature	Yes - Breathe Practice guided breathing exercises	Yes (Breathe Training Mode / Relax Mode)	Guided Breathing / Relax Mode
Audio & Voice
Built-in Speaker	Yes, built-in speaker	Yes - For Bluetooth calling	Yes (HD speaker)	Built-in speaker for Bluetooth calls
Microphone	Yes, high-quality microphone	Yes - For Bluetooth calling	Yes (Built-in HD microphone)	Built-in microphone with ENx Noise Suppression
Voice Assistant	Yes, AI Voice Assistant (compatible with Alexa)	Not available	Yes	Siri and Google Assistant supported
Bluetooth Audio Output	Yes, via Bluetooth headphones	Not available - No music streaming	Yes	Audio via watch speaker
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview	Call Alerts, SMS/Messaging Alerts, App Notifications	Alerts for calls, SMS, and app notifications
Quick Reply Options	Predefined Quick Replies (Android only)	Yes - Predefined quick reply messages only	Predefined quick replies available	Predefined quick reply for calls (Android only)
Music Control / Playback	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes - Remote phone music control (play/pause, volume, track skip)	Yes (Play/Pause, Volume Control, Track navigation)	Remote music control for phone
Find My Phone	Yes, Find My Phone feature	Yes - Locate paired smartphone	Yes	Available via Bluetooth
Remote Camera Shutter	Yes, Camera Control feature	Yes - Remote camera trigger for photos	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	Not available	No	Not Available
Find My Watch	Not explicitly mentioned	Not available	Yes (via app)	Available via boAt Crest App
Ports & Accessories
Charging Connector Type	Magnetic charging connector (proprietary)	Proprietary magnetic pogo pins connector	Magnetic USB charging cable	Magnetic Pogo Pin
Optional Docks / Stands	None mentioned	None mentioned	Not included	Not Available
Bundled Extras	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Magnetic charging cable, user manual, warranty card	Magnetic charging cable, User manual, Warranty QR card	1 Magnetic Charging Cable
Software & Apps
App Store Availability	Fastrack Smart World App (Google Play compatible)	Cloud-based proprietary store via NoiseFit app	Not Supported	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 with customization through NoiseFit app	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	100+ Cloud Watch Faces, Customizable Watch Face Studio
Companion App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App - Health tracking, notifications, watch face management	boAt Crest App (Android 7.0+, iOS 14.0+)	boAt Crest App
OTA Updates	Yes, over-the-air updates available	Yes - OTA firmware updates available	Yes (via companion app)	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	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	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	100+ Sports Modes, QR Tray, Weather, Calculator, Games