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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 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, User Manual, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x 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	Colorfit Icon 2
Launch Date	25/10/2024	12/01/2023	25/05/2023	18/06/2023	17/07/2022
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, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	BoAt	Noise	FireBoltt	GoBoult	Noise
Display
Display Size	1.39, 3.53	1.38, 3.5	2.01, 5.1	1.43, 3.63	1.8, 4.57
Resolution	240, 240 pixels	240, 240 pixels	240, 296 pixels	466, 466 pixels	240, 280 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD with 246 PPI pixel density	TFT LCD	Super AMOLED	LCD
Touch Type	MultiTouch	Multi-touch capacitive touchscreen	Capacitive Full Touch Screen (Single Touch)	Full Touch	Capacitive Touchscreen
Always-on Display	Not Specified	No	No	Yes	No
Brightness	Not specified	550 nits peak brightness	450 nits	600 nits	500 nits
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	Standard refresh rate (not specified)	60 Hz	Not specified
Color Gamut / HDR Support	Not specified	Standard RGB color gamut	Standard color gamut, no HDR support	Not Specified	Not specified
Screen Protection	Not specified	Not specified	3D Curved Glass, Scratch Resistant	2.5D Curved 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)	44.5 x 36.5 x 11 mm
Weight	45 g	27.6 grams	36.8 grams	56.5 g	53.5 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	Zinc alloy and Polycarbonate
Front Protection	Standard glass	Not specified	3D Curved Glass (Scratch Resistant)	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)	Silicone strap
Removable / Replaceable Strap	Yes	Yes	Yes	Yes	Yes
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
Dust Resistance	IP67	IP68 - Dust resistant	IP67 rated	IP67 Dust Resistant	IP67
Durability Certifications	Not Specified	IP68 certified	IP67 certification, Scratch resistant	None	None mentioned
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, 1x Side Button (Power/Wake)
Processor
Operating System	Crest+ OS	Proprietary Real-Time Operating System (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Boult OS (RTOS)	Proprietary OS
Chipset / SoC	Not specified	Not publicly disclosed	Single Chip Architecture (not detailed)	Single-chip 2-in-1 Bluetooth SoC	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)	Yes - 24/7 continuous optical PPG monitoring	Yes (HX3600 / HRS3600 Optical PPG Sensor)	24/7 Heart Rate Monitor	Yes (Optical PPG sensor)
ECG	No	Not available	No ECG support	No	No
SpO₂ / Blood Oxygen	Yes	Yes - Blood oxygen saturation monitoring	Yes (Blood Oxygen Monitor)	SpO2 Sensor	Yes
Skin Temperature Sensor	No	Not available	No Skin Temperature Sensor	No	No
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Yes - Automatic sleep detection with stage analysis	Yes (Sleep Monitor)	Sleep Monitor (Light, Deep, REM)	Yes
Step Counter	Yes (Pedometer with daily step count)	Yes - Pedometer with step tracking	Yes (Pedometer)	Yes	Yes
GPS	Connected GPS	Not available - Bluetooth only	Yes (Built-in GPS)	Connected GPS	No (Connected GPS via smartphone)
Accelerometer	Yes (G-sensor)	Yes - Motion detection	Yes (3-Axis Accelerometer)	Yes	Yes
Gyroscope	Yes	Yes - Rotation sensing	Gyroscope mentioned in some sources but not confirmed	Not Specified	Not specified
Barometer	No	Not available	Yes (Barometer sensor mentioned)	No	Not specified
Compass	No	Not available	Compass functionality not clearly specified	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, Breathing exercise tracking
Connectivity
Wi-Fi	No	Not available	No Wi-Fi	No	No
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth v5.0	Bluetooth 5.2	5.1
NFC	Yes	No	No	No	No
Cellular Connectivity	No	None - Bluetooth only	Wi-Fi Only (via paired smartphone)	No	No
ANT+	No	No	No	No	No
Battery
Capacity	260 mAh (Lithium Polymer)	300 mAh lithium-ion	280-300 mAh (sources vary)	Not Specified (Approx 250-300mAh)	260 mAh
Fast Charging Support	Yes	Not available	No Fast Charging	No	No
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)	4-7 days
Charging Method	Magnetic charging cable	Proprietary magnetic pogo pins connector	USB Magnetic Charging Points (Wired)	Magnetic Charging	Magnetic charging cable
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	Not specified
Memory & Storage
RAM	Not Specified	Not specified	Not specified (watch operates on proprietary OS)	Not Specified	Not specified
Internal Storage	Not Specified	Limited (cloud-based watch faces only)	Not specified	Not Specified	Not specified
Expandable Storage	Not Specified	Not available	Not applicable	No	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed circular bezel with flat surface design	Fixed Bezel (Non-rotating)	Fixed	Fixed bezel
Buttons / Crown	1 functional crown/button	No physical buttons - Touch controls only	Single Physical Button	Rotating Crown + 1 Button	1x Side Button for power on/off and wake functions
Vibration Motor	Yes	Yes - Linear haptic motor for haptic feedback	Yes (Haptic Vibration Motor)	Yes	Yes
Screen Glass Type	Not specified	Standard protective glass (not specified)	3D Curved Glass	2.5D 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
Menstrual Cycle / Health Tracking	Not available	Yes - Female health tracking with cycle prediction	Yes (Physiological Cycle Reminder)	Female Health Tracker	Yes
Noise Monitoring	No	Not available	No Noise Monitoring	No	No
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Yes - Breathe Practice guided breathing exercises	Yes (Breathe Monitor, Relaxation App)	Breath Training	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes - For Bluetooth calling	Yes (Dedicated HD Speaker)	Yes	Yes
Microphone	Yes (Built-in HD microphone)	Yes - For Bluetooth calling	Yes (Built-in Microphone for Bluetooth Calling)	Yes	Yes
Voice Assistant	Yes	Not available	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Yes (AI Voice Assistant)	Yes
Bluetooth Audio Output	Yes	Not available - No music streaming	Yes (Bluetooth Audio Output via connected phone)	No	No
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	Yes
Quick Reply Options	Predefined quick replies available	Yes - Predefined quick reply messages only	Predefined Messages and Voice Reply	No	Predefined messages
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 (Play/Pause, Volume, Track control)
Find My Phone	Yes	Yes - Locate paired smartphone	Yes (Find My Phone Feature)	Yes	Yes
Remote Camera Shutter	Yes	Yes - Remote camera trigger for photos	Yes (Remote Camera Control)	Yes	Yes
Security
Fingerprint Sensor	No	No	No	No	No
Face Unlock	No	No	No	No	No
NFC Payment Security	No	Not available	No NFC, No Payment Security	No	No
Find My Watch	Yes (via app)	Not available	Yes (Find My Watch Feature)	Yes (via App)	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Proprietary magnetic pogo pins connector	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	Magnetic charging cable, user manual, warranty card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Charging Cable, User Manual	Not Specified
Software & Apps
App Store Availability	Not Supported	Cloud-based proprietary store via NoiseFit app	Limited third-party app support (proprietary ecosystem)	None	No
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-based watch faces
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 (for iOS) / NoiseFit Track (for Android)
OTA Updates	Yes (via companion app)	Yes - OTA firmware 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	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	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)