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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 Round dial ₹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	Boult Crown R Pro ₹1,699 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
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, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card
Model Name	Lunar Discovery	NoiseFit Twist	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	Crown R Pro	NoiseFit Twist Go	Fastrack Limitless FS2+
Launch Date	25/10/2024	12/01/2023	25/05/2023	18/06/2023	31/10/2023	10/07/2024
Colors	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Frozen Silver, Thunder Black, Volcanic Orange	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Charcoal Black, Wine Red, Copper Teal, Blue, Beige
Brand	BoAt	Noise	FireBoltt	GoBoult	Noise	Fastrack
Display
Display Size	1.39, 3.53	1.38, 3.5	2.01, 5.1	1.43, 3.63	1.39, 3.53	2.01, 5.1
Resolution	240, 240 pixels	240, 240 pixels	240, 296 pixels	466, 466 pixels	240, 240 pixels	320, 320 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD with 246 PPI pixel density	TFT LCD	Super AMOLED	TFT LCD	TFT LCD UltraVU Display
Touch Type	MultiTouch	Multi-touch capacitive touchscreen	Capacitive Full Touch Screen (Single Touch)	Full Touch	Full Touch	Capacitive Touchscreen
Always-on Display	Not Specified	No	No	Yes	No	No
Brightness	Not specified	550 nits peak brightness	450 nits	600 nits	Up to 500 nits	Not specified
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	Standard refresh rate (not specified)	60 Hz	60Hz	Not specified
Color Gamut / HDR Support	Not specified	Standard RGB color gamut	Standard color gamut, no HDR support	Not Specified	Not Specified	Standard color gamut, no HDR support
Screen Protection	Not specified	Not specified	3D Curved Glass, Scratch Resistant	2.5D Curved Glass	2.5D Glass	Not specified
Body
Dimensions	44.0 x 45.9 x 12.3 mm	45.7 x 52.2 x 11.9 mm	51.3mm (Diameter) x 9.8mm (Thickness)	46 x 46 x 11 mm (Approx)	Round Dial, approx. 46mm diameter (exact mm not specified)	Not Specified
Weight	45 g	27.6 grams	36.8 grams	56.5 g	Approx. 40g - 45g	48 grams
Case Material	Aluminum Alloy middle frame with plastic bottom	PC+ABS plastic with metal unibody appearance	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	Zinc Alloy Frame	Metallic Finish (Zinc Alloy) with Polycarbonate back	Polycarbonate
Front Protection	Standard glass	Not specified	3D Curved Glass (Scratch Resistant)	Glass	2.5D Curved Glass	Not specified
Strap / Bracelet Options	Silicon and Metal straps available	22mm silicone with quick-release mechanism	Silicone (Removable and Replaceable)	Silicone, Metallic (variant dependent)	22mm Silicone, Metallic Link, or Mesh options	Silicone
Removable / Replaceable Strap	Yes	Yes	Yes	Yes	Yes	No
Water Resistance	IP67	IP68 - Water resistant to 1.5m depth	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP67 Water Resistant	IP67 Water Resistant	IP68 (1.5m water resistance)
Dust Resistance	IP67	IP68 - Dust resistant	IP67 rated	IP67 Dust Resistant	IP67 Dust Resistant	Yes, dust proof (IP68 certified)
Durability Certifications	Not Specified	IP68 certified	IP67 certification, Scratch resistant	None	Not Specified	IP68 certified
Primary Controls	Touch screen + Functional rotary crown (side button)	Touch screen with gesture controls and wake-up gesture	Touchscreen + Single Physical Button	Touch Screen, Functional Crown, Push Button	Touch Screen, Functional Rotating Crown	Functional Crown (touch-sensitive), Touchscreen
Processor
Operating System	Crest+ OS	Proprietary Real-Time Operating System (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Boult OS (RTOS)	Noise OS (RTOS)	Android, iOS compatible
Chipset / SoC	Not specified	Not publicly disclosed	Single Chip Architecture (not detailed)	Single-chip 2-in-1 Bluetooth SoC	Single-chip Tru Sync™ Technology	Not Specified
CPU Cores & Clock Speed	Not specified	Not specified	Not specified	Not Specified	Not Specified	Not Specified
GPU	Not specified	Not specified	Not specified	Not Specified	Not Specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Yes (Optical PPG sensor)	Yes - 24/7 continuous optical PPG monitoring	Yes (HX3600 / HRS3600 Optical PPG Sensor)	24/7 Heart Rate Monitor	24/7 Heart Rate Monitor	24x7 Heart Rate Monitoring
ECG	No	Not available	No ECG support	No	No	No ECG support
SpO₂ / Blood Oxygen	Yes	Yes - Blood oxygen saturation monitoring	Yes (Blood Oxygen Monitor)	SpO2 Sensor	SpO2 Monitoring	SpO2 / Blood Oxygen Monitor with continuous monitoring
Skin Temperature Sensor	No	Not available	No Skin Temperature Sensor	No	No	Not mentioned
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Yes - Automatic sleep detection with stage analysis	Yes (Sleep Monitor)	Sleep Monitor (Light, Deep, REM)	Sleep Monitor with Stages	Sleep Tracker with sleep quality analysis
Step Counter	Yes (Pedometer with daily step count)	Yes - Pedometer with step tracking	Yes (Pedometer)	Yes	Yes	Pedometer / Step Counter
GPS	Connected GPS	Not available - Bluetooth only	Yes (Built-in GPS)	Connected GPS	No (Connected GPS)	Connected GPS (via smartphone only)
Accelerometer	Yes (G-sensor)	Yes - Motion detection	Yes (3-Axis Accelerometer)	Yes	Yes	Yes, Accelerometer sensor
Gyroscope	Yes	Yes - Rotation sensing	Gyroscope mentioned in some sources but not confirmed	Not Specified	No	Not specified
Barometer	No	Not available	Yes (Barometer sensor mentioned)	No	No	Not specified
Compass	No	Not available	Compass functionality not clearly specified	No	No	Not specified
Other Sensors	Stress Monitor, Energy Score tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking
Connectivity
Wi-Fi	No	Not available	No Wi-Fi	No	No	No Wi-Fi support
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth v5.0	Bluetooth 5.2	Bluetooth v5.3	Bluetooth 5.3
NFC	Yes	No	No	No	No	No
Cellular Connectivity	No	None - Bluetooth only	Wi-Fi Only (via paired smartphone)	No	No	Bluetooth calling only (SingleSync), no standalone cellular
ANT+	No	No	No	No	No	Not Specified
Battery
Capacity	260 mAh (Lithium Polymer)	300 mAh lithium-ion	280-300 mAh (sources vary)	Not Specified (Approx 250-300mAh)	210 mAh	280 mAh Lithium Polymer
Fast Charging Support	Yes	Not available	No Fast Charging	No	No	Yes - NitroFast Charging (10 min for 1 day use)
Estimated Runtime	Up to 7 days	7 days typical use, 25 days standby, 2 days with heavy BT calling	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	Up to 5 Days (Typical)	Up to 7 Days (Typical), 2 Days (Calling)	Up to 7 days typical use, 10+ days standby
Charging Method	Magnetic charging cable	Proprietary magnetic pogo pins connector	USB Magnetic Charging Points (Wired)	Magnetic Charging	Magnetic Charging	Magnetic charging connector
Battery Saver Modes	DND mode, various power saving settings	Brightness reduction, disable 24/7 HR monitoring, low power mode	Yes (Battery Saver Mode available)	Yes	Power Saving Mode	Not mentioned
Memory & Storage
RAM	Not Specified	Not specified	Not specified (watch operates on proprietary OS)	Not Specified	Not Specified	Not officially specified
Internal Storage	Not Specified	Limited (cloud-based watch faces only)	Not specified	Not Specified	Stores call logs and up to 10 contacts	Not officially specified
Expandable Storage	Not Specified	Not available	Not applicable	No	No	Not applicable
Design & Comfort
Bezel Type	Fixed bezel	Fixed circular bezel with flat surface design	Fixed Bezel (Non-rotating)	Fixed	Fixed Metallic Bezel	Fixed, minimal bezel
Buttons / Crown	1 functional crown/button	No physical buttons - Touch controls only	Single Physical Button	Rotating Crown + 1 Button	2 (Side Button + Rotating Crown)	Functional Crown (touch and pressure sensitive)
Vibration Motor	Yes	Yes - Linear haptic motor for haptic feedback	Yes (Haptic Vibration Motor)	Yes	Yes	Yes, haptic feedback vibration motor
Screen Glass Type	Not specified	Standard protective glass (not specified)	3D Curved Glass	2.5D Glass	2.5D Curved Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS feature (press and hold to alert contacts)	Not available	No Fall Detection or SOS Calling	No	No	Emergency SOS capability available
Menstrual Cycle / Health Tracking	Not available	Yes - Female health tracking with cycle prediction	Yes (Physiological Cycle Reminder)	Female Health Tracker	Female Cycle Tracker	Women's Health Tracking with menstrual cycle tracking
Noise Monitoring	No	Not available	No Noise Monitoring	No	No	Not mentioned
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Yes - Breathe Practice guided breathing exercises	Yes (Breathe Monitor, Relaxation App)	Breath Training	Breathe Practice	Breathe Exercise feature
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes - For Bluetooth calling	Yes (Dedicated HD Speaker)	Yes	Yes	Yes, built-in speaker
Microphone	Yes (Built-in HD microphone)	Yes - For Bluetooth calling	Yes (Built-in Microphone for Bluetooth Calling)	Yes	Yes	Yes, high-quality microphone
Voice Assistant	Yes	Not available	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Yes (AI Voice Assistant)	AI Voice Assistant (Siri/Google)	Yes, AI Voice Assistant (compatible with Alexa)
Bluetooth Audio Output	Yes	Not available - No music streaming	Yes (Bluetooth Audio Output via connected phone)	No	No	Yes, via Bluetooth headphones
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging Alerts, App Notifications	Yes - Call alerts, SMS alerts, app notifications with preview	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call, SMS, App Notifications	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts
Quick Reply Options	Predefined quick replies available	Yes - Predefined quick reply messages only	Predefined Messages and Voice Reply	No	Quick Reply (Android Only)	Predefined Quick Replies (Android only)
Music Control / Playback	Yes (Play/Pause, Volume Control, Track navigation)	Yes - Remote phone music control (play/pause, volume, track skip)	Yes (Play/Pause, Volume Control, Next/Previous Track)	Music Control (Phone)	Remote Music Control	Full music control: Play/Pause, Volume, Previous/Next, Streaming control
Find My Phone	Yes	Yes - Locate paired smartphone	Yes (Find My Phone Feature)	Yes	Yes	Yes, Find My Phone feature
Remote Camera Shutter	Yes	Yes - Remote camera trigger for photos	Yes (Remote Camera Control)	Yes	Yes	Yes, Camera Control feature
Security
Fingerprint Sensor	No	No	No	No	No	Not Specified
Face Unlock	No	No	No	No	No	Not Specified
NFC Payment Security	No	Not available	No NFC, No Payment Security	No	No	No NFC support
Find My Watch	Yes (via app)	Not available	Yes (Find My Watch Feature)	Yes (via App)	Yes (via App)	Not explicitly mentioned
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Proprietary magnetic pogo pins connector	USB Magnetic Charging Points	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic charging connector (proprietary)
Optional Docks / Stands	Not included	None mentioned	Not specified	None	None	None mentioned
Bundled Extras	Magnetic charging cable, User manual, Warranty QR card	Magnetic charging cable, user manual, warranty card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Charging Cable, User Manual	Charging Cable, User Manual	Quick Start Guide, Warranty Card, Magnetic Charging Cable
Software & Apps
App Store Availability	Not Supported	Cloud-based proprietary store via NoiseFit app	Limited third-party app support (proprietary ecosystem)	None	No	Fastrack Smart World App (Google Play compatible)
Customization Options	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	100+ cloud-based watch faces with customization through NoiseFit app	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	150+ Watch Faces, Menu Styles	100+ Cloud Watch Faces	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator
Companion App	boAt Crest App (Android 7.0+, iOS 14.0+)	NoiseFit App - Health tracking, notifications, watch face management	Fire-Boltt Health App (Android & iOS)	Boult Fit (GoBoult Fit)	NoiseFit App	Fastrack Smart World App (formerly Fastrack Reflex World App)
OTA Updates	Yes (via companion app)	Yes - OTA firmware updates available	Yes (Over-the-Air Updates Available)	Yes	Yes	Yes, over-the-air updates available
Pre-installed Apps	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	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	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, Weather, Calculator, 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