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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	Noise Twist Go ₹1,499 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	Fastrack Limitless FS2+ ₹1,599 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, User Manual, Warranty Card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card
Model Name	Lunar Discovery	NoiseFit Twist Go	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	Fastrack Limitless FS2+	Colorfit Icon 2
Launch Date	25/10/2024	31/10/2023	25/05/2023	10/07/2024	17/07/2022
Colors	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	BoAt	Noise	FireBoltt	Fastrack	Noise
Display
Display Size	1.39, 3.53	1.39, 3.53	2.01, 5.1	2.01, 5.1	1.8, 4.57
Resolution	240, 240 pixels	240, 240 pixels	240, 296 pixels	320, 320 pixels	240, 280 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD	TFT LCD	TFT LCD UltraVU Display	LCD
Touch Type	MultiTouch	Full Touch	Capacitive Full Touch Screen (Single Touch)	Capacitive Touchscreen	Capacitive Touchscreen
Always-on Display	Not Specified	No	No	No	No
Brightness	Not specified	Up to 500 nits	450 nits	Not specified	500 nits
Refresh Rate	Not specified	60Hz	Standard refresh rate (not specified)	Not specified	Not specified
Color Gamut / HDR Support	Not specified	Not Specified	Standard color gamut, no HDR support	Standard color gamut, no HDR support	Not specified
Screen Protection	Not specified	2.5D Glass	3D Curved Glass, Scratch Resistant	Not specified	Not specified
Body
Dimensions	44.0 x 45.9 x 12.3 mm	Round Dial, approx. 46mm diameter (exact mm not specified)	51.3mm (Diameter) x 9.8mm (Thickness)	Not Specified	44.5 x 36.5 x 11 mm
Weight	45 g	Approx. 40g - 45g	36.8 grams	48 grams	53.5 grams
Case Material	Aluminum Alloy middle frame with plastic bottom	Metallic Finish (Zinc Alloy) with Polycarbonate back	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	Polycarbonate	Zinc alloy and Polycarbonate
Front Protection	Standard glass	2.5D Curved Glass	3D Curved Glass (Scratch Resistant)	Not specified	Not specified
Strap / Bracelet Options	Silicon and Metal straps available	22mm Silicone, Metallic Link, or Mesh options	Silicone (Removable and Replaceable)	Silicone	Silicone strap
Removable / Replaceable Strap	Yes	Yes	Yes	No	Yes
Water Resistance	IP67	IP67 Water Resistant	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP68 (1.5m water resistance)	IP67
Dust Resistance	IP67	IP67 Dust Resistant	IP67 rated	Yes, dust proof (IP68 certified)	IP67
Durability Certifications	Not Specified	Not Specified	IP67 certification, Scratch resistant	IP68 certified	None mentioned
Primary Controls	Touch screen + Functional rotary crown (side button)	Touch Screen, Functional Rotating Crown	Touchscreen + Single Physical Button	Functional Crown (touch-sensitive), Touchscreen	Touch Screen, 1x Side Button (Power/Wake)
Processor
Operating System	Crest+ OS	Noise OS (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Android, iOS compatible	Proprietary OS
Chipset / SoC	Not specified	Single-chip Tru Sync™ Technology	Single Chip Architecture (not detailed)	Not Specified	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)	24/7 Heart Rate Monitor	Yes (HX3600 / HRS3600 Optical PPG Sensor)	24x7 Heart Rate Monitoring	Yes (Optical PPG sensor)
ECG	No	No	No ECG support	No ECG support	No
SpO₂ / Blood Oxygen	Yes	SpO2 Monitoring	Yes (Blood Oxygen Monitor)	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes
Skin Temperature Sensor	No	No	No Skin Temperature Sensor	Not mentioned	No
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Sleep Monitor with Stages	Yes (Sleep Monitor)	Sleep Tracker with sleep quality analysis	Yes
Step Counter	Yes (Pedometer with daily step count)	Yes	Yes (Pedometer)	Pedometer / Step Counter	Yes
GPS	Connected GPS	No (Connected GPS)	Yes (Built-in GPS)	Connected GPS (via smartphone only)	No (Connected GPS via smartphone)
Accelerometer	Yes (G-sensor)	Yes	Yes (3-Axis Accelerometer)	Yes, Accelerometer sensor	Yes
Gyroscope	Yes	No	Gyroscope mentioned in some sources but not confirmed	Not specified	Not specified
Barometer	No	No	Yes (Barometer sensor mentioned)	Not specified	Not specified
Compass	No	No	Compass functionality not clearly specified	Not specified	Not specified
Other Sensors	Stress Monitor, Energy Score tracking	Stress Monitor, Breathe Practice, Female Cycle Tracker	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, Breathing exercise tracking
Connectivity
Wi-Fi	No	No	No Wi-Fi	No Wi-Fi support	No
Bluetooth	Bluetooth 5.3	Bluetooth v5.3	Bluetooth v5.0	Bluetooth 5.3	5.1
NFC	Yes	No	No	No	No
Cellular Connectivity	No	No	Wi-Fi Only (via paired smartphone)	Bluetooth calling only (SingleSync), no standalone cellular	No
ANT+	No	No	No	Not Specified	No
Battery
Capacity	260 mAh (Lithium Polymer)	210 mAh	280-300 mAh (sources vary)	280 mAh Lithium Polymer	260 mAh
Fast Charging Support	Yes	No	No Fast Charging	Yes - NitroFast Charging (10 min for 1 day use)	No
Estimated Runtime	Up to 7 days	Up to 7 Days (Typical), 2 Days (Calling)	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	Up to 7 days typical use, 10+ days standby	4-7 days
Charging Method	Magnetic charging cable	Magnetic Charging	USB Magnetic Charging Points (Wired)	Magnetic charging connector	Magnetic charging cable
Battery Saver Modes	DND mode, various power saving settings	Power Saving Mode	Yes (Battery Saver Mode available)	Not mentioned	Not specified
Memory & Storage
RAM	Not Specified	Not Specified	Not specified (watch operates on proprietary OS)	Not officially specified	Not specified
Internal Storage	Not Specified	Stores call logs and up to 10 contacts	Not specified	Not officially specified	Not specified
Expandable Storage	Not Specified	No	Not applicable	Not applicable	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed Metallic Bezel	Fixed Bezel (Non-rotating)	Fixed, minimal bezel	Fixed bezel
Buttons / Crown	1 functional crown/button	2 (Side Button + Rotating Crown)	Single Physical Button	Functional Crown (touch and pressure sensitive)	1x Side Button for power on/off and wake functions
Vibration Motor	Yes	Yes	Yes (Haptic Vibration Motor)	Yes, haptic feedback vibration motor	Yes
Screen Glass Type	Not specified	2.5D Curved Glass	3D Curved Glass	Not specified	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS feature (press and hold to alert contacts)	No	No Fall Detection or SOS Calling	Emergency SOS capability available	No
Menstrual Cycle / Health Tracking	Not available	Female Cycle Tracker	Yes (Physiological Cycle Reminder)	Women's Health Tracking with menstrual cycle tracking	Yes
Noise Monitoring	No	No	No Noise Monitoring	Not mentioned	No
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Breathe Practice	Yes (Breathe Monitor, Relaxation App)	Breathe Exercise feature	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes	Yes (Dedicated HD Speaker)	Yes, built-in speaker	Yes
Microphone	Yes (Built-in HD microphone)	Yes	Yes (Built-in Microphone for Bluetooth Calling)	Yes, high-quality microphone	Yes
Voice Assistant	Yes	AI Voice Assistant (Siri/Google)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Yes, AI Voice Assistant (compatible with Alexa)	Yes
Bluetooth Audio Output	Yes	No	Yes (Bluetooth Audio Output via connected phone)	Yes, via Bluetooth headphones	No
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging Alerts, App Notifications	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes
Quick Reply Options	Predefined quick replies available	Quick Reply (Android Only)	Predefined Messages and Voice Reply	Predefined Quick Replies (Android only)	Predefined messages
Music Control / Playback	Yes (Play/Pause, Volume Control, Track navigation)	Remote Music Control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Remote music control (Play/Pause, Volume, Track control)
Find My Phone	Yes	Yes	Yes (Find My Phone Feature)	Yes, Find My Phone feature	Yes
Remote Camera Shutter	Yes	Yes	Yes (Remote Camera Control)	Yes, Camera Control feature	Yes
Security
Fingerprint Sensor	No	No	No	Not Specified	No
Face Unlock	No	No	No	Not Specified	No
NFC Payment Security	No	No	No NFC, No Payment Security	No NFC support	No
Find My Watch	Yes (via app)	Yes (via App)	Yes (Find My Watch Feature)	Not explicitly mentioned	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Magnetic Pogo Pin	USB Magnetic Charging Points	Magnetic charging connector (proprietary)	Magnetic charging pins
Optional Docks / Stands	Not included	None	Not specified	None mentioned	Not specified
Bundled Extras	Magnetic charging cable, User manual, Warranty QR card	Charging Cable, User Manual	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Not Specified
Software & Apps
App Store Availability	Not Supported	No	Limited third-party app support (proprietary ecosystem)	Fastrack Smart World App (Google Play compatible)	No
Customization Options	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	100+ Cloud Watch Faces	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	100+ cloud-based watch faces
Companion App	boAt Crest App (Android 7.0+, iOS 14.0+)	NoiseFit App	Fire-Boltt Health App (Android & iOS)	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit (for iOS) / NoiseFit Track (for Android)
OTA Updates	Yes (via companion app)	Yes	Yes (Over-the-Air Updates Available)	Yes, over-the-air updates available	Yes
Pre-installed Apps	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	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	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)