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

Specification	boAt Lunar Discovery ₹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	Fire-Boltt Hunter 51.1mm ₹1,199 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	Noise Colorfit Icon 2 ₹1,199 Prices and availability may change on the seller's site View Price
General
In The Box	1 Smartwatch, 1 USB Magnetic Charging Cable, 1 User Manual, 1 Warranty Card	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card
Model Name	Lunar Discovery	Fastrack Limitless FS2+	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	NoiseFit Twist Go	Colorfit Icon 2
Launch Date	25/10/2024	10/07/2024	25/05/2023	31/10/2023	17/07/2022
Colors	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	BoAt	Fastrack	FireBoltt	Noise	Noise
Display
Display Size	1.39, 3.53	2.01, 5.1	2.01, 5.1	1.39, 3.53	1.8, 4.57
Resolution	240, 240 pixels	320, 320 pixels	240, 296 pixels	240, 240 pixels	240, 280 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD UltraVU Display	TFT LCD	TFT LCD	LCD
Touch Type	MultiTouch	Capacitive Touchscreen	Capacitive Full Touch Screen (Single Touch)	Full Touch	Capacitive Touchscreen
Always-on Display	Not Specified	No	No	No	No
Brightness	Not specified	Not specified	450 nits	Up to 500 nits	500 nits
Refresh Rate	Not specified	Not specified	Standard refresh rate (not specified)	60Hz	Not specified
Color Gamut / HDR Support	Not specified	Standard color gamut, no HDR support	Standard color gamut, no HDR support	Not Specified	Not specified
Screen Protection	Not specified	Not specified	3D Curved Glass, Scratch Resistant	2.5D Glass	Not specified
Body
Dimensions	44.0 x 45.9 x 12.3 mm	Not Specified	51.3mm (Diameter) x 9.8mm (Thickness)	Round Dial, approx. 46mm diameter (exact mm not specified)	44.5 x 36.5 x 11 mm
Weight	45 g	48 grams	36.8 grams	Approx. 40g - 45g	53.5 grams
Case Material	Aluminum Alloy middle frame with plastic bottom	Polycarbonate	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	Metallic Finish (Zinc Alloy) with Polycarbonate back	Zinc alloy and Polycarbonate
Front Protection	Standard glass	Not specified	3D Curved Glass (Scratch Resistant)	2.5D Curved Glass	Not specified
Strap / Bracelet Options	Silicon and Metal straps available	Silicone	Silicone (Removable and Replaceable)	22mm Silicone, Metallic Link, or Mesh options	Silicone strap
Removable / Replaceable Strap	Yes	No	Yes	Yes	Yes
Water Resistance	IP67	IP68 (1.5m water resistance)	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP67 Water Resistant	IP67
Dust Resistance	IP67	Yes, dust proof (IP68 certified)	IP67 rated	IP67 Dust Resistant	IP67
Durability Certifications	Not Specified	IP68 certified	IP67 certification, Scratch resistant	Not Specified	None mentioned
Primary Controls	Touch screen + Functional rotary crown (side button)	Functional Crown (touch-sensitive), Touchscreen	Touchscreen + Single Physical Button	Touch Screen, Functional Rotating Crown	Touch Screen, 1x Side Button (Power/Wake)
Processor
Operating System	Crest+ OS	Android, iOS compatible	Proprietary OS (Compatible with Android v5.0+ and iOS)	Noise OS (RTOS)	Proprietary OS
Chipset / SoC	Not specified	Not Specified	Single Chip Architecture (not detailed)	Single-chip Tru Sync™ Technology	Not specified
CPU Cores & Clock Speed	Not specified	Not Specified	Not specified	Not Specified	Not specified
GPU	Not specified	Not specified	Not specified	Not Specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Yes (Optical PPG sensor)	24x7 Heart Rate Monitoring	Yes (HX3600 / HRS3600 Optical PPG Sensor)	24/7 Heart Rate Monitor	Yes (Optical PPG sensor)
ECG	No	No ECG support	No ECG support	No	No
SpO₂ / Blood Oxygen	Yes	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes (Blood Oxygen Monitor)	SpO2 Monitoring	Yes
Skin Temperature Sensor	No	Not mentioned	No Skin Temperature Sensor	No	No
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Sleep Tracker with sleep quality analysis	Yes (Sleep Monitor)	Sleep Monitor with Stages	Yes
Step Counter	Yes (Pedometer with daily step count)	Pedometer / Step Counter	Yes (Pedometer)	Yes	Yes
GPS	Connected GPS	Connected GPS (via smartphone only)	Yes (Built-in GPS)	No (Connected GPS)	No (Connected GPS via smartphone)
Accelerometer	Yes (G-sensor)	Yes, Accelerometer sensor	Yes (3-Axis Accelerometer)	Yes	Yes
Gyroscope	Yes	Not specified	Gyroscope mentioned in some sources but not confirmed	No	Not specified
Barometer	No	Not specified	Yes (Barometer sensor mentioned)	No	Not specified
Compass	No	Not specified	Compass functionality not clearly specified	No	Not specified
Other Sensors	Stress Monitor, Energy Score tracking	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress monitor, Breathing exercise tracking
Connectivity
Wi-Fi	No	No Wi-Fi support	No Wi-Fi	No	No
Bluetooth	Bluetooth 5.3	Bluetooth 5.3	Bluetooth v5.0	Bluetooth v5.3	5.1
NFC	Yes	No	No	No	No
Cellular Connectivity	No	Bluetooth calling only (SingleSync), no standalone cellular	Wi-Fi Only (via paired smartphone)	No	No
ANT+	No	Not Specified	No	No	No
Battery
Capacity	260 mAh (Lithium Polymer)	280 mAh Lithium Polymer	280-300 mAh (sources vary)	210 mAh	260 mAh
Fast Charging Support	Yes	Yes - NitroFast Charging (10 min for 1 day use)	No Fast Charging	No	No
Estimated Runtime	Up to 7 days	Up to 7 days typical use, 10+ days standby	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	Up to 7 Days (Typical), 2 Days (Calling)	4-7 days
Charging Method	Magnetic charging cable	Magnetic charging connector	USB Magnetic Charging Points (Wired)	Magnetic Charging	Magnetic charging cable
Battery Saver Modes	DND mode, various power saving settings	Not mentioned	Yes (Battery Saver Mode available)	Power Saving Mode	Not specified
Memory & Storage
RAM	Not Specified	Not officially specified	Not specified (watch operates on proprietary OS)	Not Specified	Not specified
Internal Storage	Not Specified	Not officially specified	Not specified	Stores call logs and up to 10 contacts	Not specified
Expandable Storage	Not Specified	Not applicable	Not applicable	No	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed, minimal bezel	Fixed Bezel (Non-rotating)	Fixed Metallic Bezel	Fixed bezel
Buttons / Crown	1 functional crown/button	Functional Crown (touch and pressure sensitive)	Single Physical Button	2 (Side Button + Rotating Crown)	1x Side Button for power on/off and wake functions
Vibration Motor	Yes	Yes, haptic feedback vibration motor	Yes (Haptic Vibration Motor)	Yes	Yes
Screen Glass Type	Not specified	Not specified	3D Curved Glass	2.5D Curved Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS feature (press and hold to alert contacts)	Emergency SOS capability available	No Fall Detection or SOS Calling	No	No
Menstrual Cycle / Health Tracking	Not available	Women's Health Tracking with menstrual cycle tracking	Yes (Physiological Cycle Reminder)	Female Cycle Tracker	Yes
Noise Monitoring	No	Not mentioned	No Noise Monitoring	No	No
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Breathe Exercise feature	Yes (Breathe Monitor, Relaxation App)	Breathe Practice	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes, built-in speaker	Yes (Dedicated HD Speaker)	Yes	Yes
Microphone	Yes (Built-in HD microphone)	Yes, high-quality microphone	Yes (Built-in Microphone for Bluetooth Calling)	Yes	Yes
Voice Assistant	Yes	Yes, AI Voice Assistant (compatible with Alexa)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	AI Voice Assistant (Siri/Google)	Yes
Bluetooth Audio Output	Yes	Yes, via Bluetooth headphones	Yes (Bluetooth Audio Output via connected phone)	No	No
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging Alerts, App Notifications	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call, SMS, Social Media, Email	Yes
Quick Reply Options	Predefined quick replies available	Predefined Quick Replies (Android only)	Predefined Messages and Voice Reply	Quick Reply (Android Only)	Predefined messages
Music Control / Playback	Yes (Play/Pause, Volume Control, Track navigation)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Remote Music Control	Remote music control (Play/Pause, Volume, Track control)
Find My Phone	Yes	Yes, Find My Phone feature	Yes (Find My Phone Feature)	Yes	Yes
Remote Camera Shutter	Yes	Yes, Camera Control feature	Yes (Remote Camera Control)	Yes	Yes
Security
Fingerprint Sensor	No	Not Specified	No	No	No
Face Unlock	No	Not Specified	No	No	No
NFC Payment Security	No	No NFC support	No NFC, No Payment Security	No	No
Find My Watch	Yes (via app)	Not explicitly mentioned	Yes (Find My Watch Feature)	Yes (via App)	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Magnetic charging connector (proprietary)	USB Magnetic Charging Points	Magnetic Pogo Pin	Magnetic charging pins
Optional Docks / Stands	Not included	None mentioned	Not specified	None	Not specified
Bundled Extras	Magnetic charging cable, User manual, Warranty QR card	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Charging Cable, User Manual	Not Specified
Software & Apps
App Store Availability	Not Supported	Fastrack Smart World App (Google Play compatible)	Limited third-party app support (proprietary ecosystem)	No	No
Customization Options	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	100+ Cloud Watch Faces	100+ cloud-based watch faces
Companion App	boAt Crest App (Android 7.0+, iOS 14.0+)	Fastrack Smart World App (formerly Fastrack Reflex World App)	Fire-Boltt Health App (Android & iOS)	NoiseFit App	NoiseFit (for iOS) / NoiseFit Track (for Android)
OTA Updates	Yes (via companion app)	Yes, over-the-air updates available	Yes (Over-the-Air Updates Available)	Yes	Yes
Pre-installed Apps	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	120+ Sports Modes, Heart Rate Monitor, Sleep Tracker, SpO2 Monitor, Weather App, Alarm, Stopwatch, Timer, Calculator, Camera Control, Music Player, AI Voice Assistant, Menstrual Cycle Tracker, Google Fit Integration	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)