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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	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 Round dial ₹1,499 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, Magnetic Charging Cable, Quick Start Guide, Warranty Card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	Lunar Discovery	NoiseFit Twist Go	Fastrack Limitless FS2+	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	NoiseFit Twist
Launch Date	25/10/2024	31/10/2023	10/07/2024	25/05/2023	12/01/2023
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	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue
Brand	BoAt	Noise	Fastrack	FireBoltt	Noise
Display
Display Size	1.39, 3.53	1.39, 3.53	2.01, 5.1	2.01, 5.1	1.38, 3.5
Resolution	240, 240 pixels	240, 240 pixels	320, 320 pixels	240, 296 pixels	240, 240 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD	TFT LCD UltraVU Display	TFT LCD	TFT LCD with 246 PPI pixel density
Touch Type	MultiTouch	Full Touch	Capacitive Touchscreen	Capacitive Full Touch Screen (Single Touch)	Multi-touch capacitive touchscreen
Always-on Display	Not Specified	No	No	No	No
Brightness	Not specified	Up to 500 nits	Not specified	450 nits	550 nits peak brightness
Refresh Rate	Not specified	60Hz	Not specified	Standard refresh rate (not specified)	Standard 60Hz (typical for TFT)
Color Gamut / HDR Support	Not specified	Not Specified	Standard color gamut, no HDR support	Standard color gamut, no HDR support	Standard RGB color gamut
Screen Protection	Not specified	2.5D Glass	Not specified	3D Curved Glass, Scratch Resistant	Not specified
Body
Dimensions	44.0 x 45.9 x 12.3 mm	Round Dial, approx. 46mm diameter (exact mm not specified)	Not Specified	51.3mm (Diameter) x 9.8mm (Thickness)	45.7 x 52.2 x 11.9 mm
Weight	45 g	Approx. 40g - 45g	48 grams	36.8 grams	27.6 grams
Case Material	Aluminum Alloy middle frame with plastic bottom	Metallic Finish (Zinc Alloy) with Polycarbonate back	Polycarbonate	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	PC+ABS plastic with metal unibody appearance
Front Protection	Standard glass	2.5D Curved Glass	Not specified	3D Curved Glass (Scratch Resistant)	Not specified
Strap / Bracelet Options	Silicon and Metal straps available	22mm Silicone, Metallic Link, or Mesh options	Silicone	Silicone (Removable and Replaceable)	22mm silicone with quick-release mechanism
Removable / Replaceable Strap	Yes	Yes	No	Yes	Yes
Water Resistance	IP67	IP67 Water Resistant	IP68 (1.5m water resistance)	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP68 - Water resistant to 1.5m depth
Dust Resistance	IP67	IP67 Dust Resistant	Yes, dust proof (IP68 certified)	IP67 rated	IP68 - Dust resistant
Durability Certifications	Not Specified	Not Specified	IP68 certified	IP67 certification, Scratch resistant	IP68 certified
Primary Controls	Touch screen + Functional rotary crown (side button)	Touch Screen, Functional Rotating Crown	Functional Crown (touch-sensitive), Touchscreen	Touchscreen + Single Physical Button	Touch screen with gesture controls and wake-up gesture
Processor
Operating System	Crest+ OS	Noise OS (RTOS)	Android, iOS compatible	Proprietary OS (Compatible with Android v5.0+ and iOS)	Proprietary Real-Time Operating System (RTOS)
Chipset / SoC	Not specified	Single-chip Tru Sync™ Technology	Not Specified	Single Chip Architecture (not detailed)	Not publicly disclosed
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	24x7 Heart Rate Monitoring	Yes (HX3600 / HRS3600 Optical PPG Sensor)	Yes - 24/7 continuous optical PPG monitoring
ECG	No	No	No ECG support	No ECG support	Not available
SpO₂ / Blood Oxygen	Yes	SpO2 Monitoring	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes (Blood Oxygen Monitor)	Yes - Blood oxygen saturation monitoring
Skin Temperature Sensor	No	No	Not mentioned	No Skin Temperature Sensor	Not available
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Sleep Monitor with Stages	Sleep Tracker with sleep quality analysis	Yes (Sleep Monitor)	Yes - Automatic sleep detection with stage analysis
Step Counter	Yes (Pedometer with daily step count)	Yes	Pedometer / Step Counter	Yes (Pedometer)	Yes - Pedometer with step tracking
GPS	Connected GPS	No (Connected GPS)	Connected GPS (via smartphone only)	Yes (Built-in GPS)	Not available - Bluetooth only
Accelerometer	Yes (G-sensor)	Yes	Yes, Accelerometer sensor	Yes (3-Axis Accelerometer)	Yes - Motion detection
Gyroscope	Yes	No	Not specified	Gyroscope mentioned in some sources but not confirmed	Yes - Rotation sensing
Barometer	No	No	Not specified	Yes (Barometer sensor mentioned)	Not available
Compass	No	No	Not specified	Compass functionality not clearly specified	Not available
Other Sensors	Stress Monitor, Energy Score tracking	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress monitor, activity tracking, calorie counter, female cycle tracker
Connectivity
Wi-Fi	No	No	No Wi-Fi support	No Wi-Fi	Not available
Bluetooth	Bluetooth 5.3	Bluetooth v5.3	Bluetooth 5.3	Bluetooth v5.0	Bluetooth 5.3 with Tru Sync technology
NFC	Yes	No	No	No	No
Cellular Connectivity	No	No	Bluetooth calling only (SingleSync), no standalone cellular	Wi-Fi Only (via paired smartphone)	None - Bluetooth only
ANT+	No	No	Not Specified	No	No
Battery
Capacity	260 mAh (Lithium Polymer)	210 mAh	280 mAh Lithium Polymer	280-300 mAh (sources vary)	300 mAh lithium-ion
Fast Charging Support	Yes	No	Yes - NitroFast Charging (10 min for 1 day use)	No Fast Charging	Not available
Estimated Runtime	Up to 7 days	Up to 7 Days (Typical), 2 Days (Calling)	Up to 7 days typical use, 10+ days standby	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	7 days typical use, 25 days standby, 2 days with heavy BT calling
Charging Method	Magnetic charging cable	Magnetic Charging	Magnetic charging connector	USB Magnetic Charging Points (Wired)	Proprietary magnetic pogo pins connector
Battery Saver Modes	DND mode, various power saving settings	Power Saving Mode	Not mentioned	Yes (Battery Saver Mode available)	Brightness reduction, disable 24/7 HR monitoring, low power mode
Memory & Storage
RAM	Not Specified	Not Specified	Not officially specified	Not specified (watch operates on proprietary OS)	Not specified
Internal Storage	Not Specified	Stores call logs and up to 10 contacts	Not officially specified	Not specified	Limited (cloud-based watch faces only)
Expandable Storage	Not Specified	No	Not applicable	Not applicable	Not available
Design & Comfort
Bezel Type	Fixed bezel	Fixed Metallic Bezel	Fixed, minimal bezel	Fixed Bezel (Non-rotating)	Fixed circular bezel with flat surface design
Buttons / Crown	1 functional crown/button	2 (Side Button + Rotating Crown)	Functional Crown (touch and pressure sensitive)	Single Physical Button	No physical buttons - Touch controls only
Vibration Motor	Yes	Yes	Yes, haptic feedback vibration motor	Yes (Haptic Vibration Motor)	Yes - Linear haptic motor for haptic feedback
Screen Glass Type	Not specified	2.5D Curved Glass	Not specified	3D Curved Glass	Standard protective glass (not specified)
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS feature (press and hold to alert contacts)	No	Emergency SOS capability available	No Fall Detection or SOS Calling	Not available
Menstrual Cycle / Health Tracking	Not available	Female Cycle Tracker	Women's Health Tracking with menstrual cycle tracking	Yes (Physiological Cycle Reminder)	Yes - Female health tracking with cycle prediction
Noise Monitoring	No	No	Not mentioned	No Noise Monitoring	Not available
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Breathe Practice	Breathe Exercise feature	Yes (Breathe Monitor, Relaxation App)	Yes - Breathe Practice guided breathing exercises
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes	Yes, built-in speaker	Yes (Dedicated HD Speaker)	Yes - For Bluetooth calling
Microphone	Yes (Built-in HD microphone)	Yes	Yes, high-quality microphone	Yes (Built-in Microphone for Bluetooth Calling)	Yes - For Bluetooth calling
Voice Assistant	Yes	AI Voice Assistant (Siri/Google)	Yes, AI Voice Assistant (compatible with Alexa)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Not available
Bluetooth Audio Output	Yes	No	Yes, via Bluetooth headphones	Yes (Bluetooth Audio Output via connected phone)	Not available - No music streaming
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 - Call alerts, SMS alerts, app notifications with preview
Quick Reply Options	Predefined quick replies available	Quick Reply (Android Only)	Predefined Quick Replies (Android only)	Predefined Messages and Voice Reply	Yes - Predefined quick reply messages only
Music Control / Playback	Yes (Play/Pause, Volume Control, Track navigation)	Remote Music Control	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Yes - Remote phone music control (play/pause, volume, track skip)
Find My Phone	Yes	Yes	Yes, Find My Phone feature	Yes (Find My Phone Feature)	Yes - Locate paired smartphone
Remote Camera Shutter	Yes	Yes	Yes, Camera Control feature	Yes (Remote Camera Control)	Yes - Remote camera trigger for photos
Security
Fingerprint Sensor	No	No	Not Specified	No	No
Face Unlock	No	No	Not Specified	No	No
NFC Payment Security	No	No	No NFC support	No NFC, No Payment Security	Not available
Find My Watch	Yes (via app)	Yes (via App)	Not explicitly mentioned	Yes (Find My Watch Feature)	Not available
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Magnetic Pogo Pin	Magnetic charging connector (proprietary)	USB Magnetic Charging Points	Proprietary magnetic pogo pins connector
Optional Docks / Stands	Not included	None	None mentioned	Not specified	None mentioned
Bundled Extras	Magnetic charging cable, User manual, Warranty QR card	Charging Cable, User Manual	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Magnetic charging cable, user manual, warranty card
Software & Apps
App Store Availability	Not Supported	No	Fastrack Smart World App (Google Play compatible)	Limited third-party app support (proprietary ecosystem)	Cloud-based proprietary store via NoiseFit app
Customization Options	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	100+ Cloud Watch Faces	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-based watch faces with customization through NoiseFit app
Companion App	boAt Crest App (Android 7.0+, iOS 14.0+)	NoiseFit App	Fastrack Smart World App (formerly Fastrack Reflex World App)	Fire-Boltt Health App (Android & iOS)	NoiseFit App - Health tracking, notifications, watch face management
OTA Updates	Yes (via companion app)	Yes	Yes, over-the-air updates available	Yes (Over-the-Air Updates Available)	Yes - OTA firmware updates available
Pre-installed Apps	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	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	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