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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	Noise Twist Round dial ₹1,499 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
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
Model Name	Lunar Discovery	NoiseFit Twist Go	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	NoiseFit Twist	Crown R Pro
Launch Date	25/10/2024	31/10/2023	25/05/2023	12/01/2023	18/06/2023
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	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Frozen Silver, Thunder Black, Volcanic Orange
Brand	BoAt	Noise	FireBoltt	Noise	GoBoult
Display
Display Size	1.39, 3.53	1.39, 3.53	2.01, 5.1	1.38, 3.5	1.43, 3.63
Resolution	240, 240 pixels	240, 240 pixels	240, 296 pixels	240, 240 pixels	466, 466 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD	TFT LCD	TFT LCD with 246 PPI pixel density	Super AMOLED
Touch Type	MultiTouch	Full Touch	Capacitive Full Touch Screen (Single Touch)	Multi-touch capacitive touchscreen	Full Touch
Always-on Display	Not Specified	No	No	No	Yes
Brightness	Not specified	Up to 500 nits	450 nits	550 nits peak brightness	600 nits
Refresh Rate	Not specified	60Hz	Standard refresh rate (not specified)	Standard 60Hz (typical for TFT)	60 Hz
Color Gamut / HDR Support	Not specified	Not Specified	Standard color gamut, no HDR support	Standard RGB color gamut	Not Specified
Screen Protection	Not specified	2.5D Glass	3D Curved Glass, Scratch Resistant	Not specified	2.5D Curved Glass
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)	45.7 x 52.2 x 11.9 mm	46 x 46 x 11 mm (Approx)
Weight	45 g	Approx. 40g - 45g	36.8 grams	27.6 grams	56.5 g
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)	PC+ABS plastic with metal unibody appearance	Zinc Alloy Frame
Front Protection	Standard glass	2.5D Curved Glass	3D Curved Glass (Scratch Resistant)	Not specified	Glass
Strap / Bracelet Options	Silicon and Metal straps available	22mm Silicone, Metallic Link, or Mesh options	Silicone (Removable and Replaceable)	22mm silicone with quick-release mechanism	Silicone, Metallic (variant dependent)
Removable / Replaceable Strap	Yes	Yes	Yes	Yes	Yes
Water Resistance	IP67	IP67 Water Resistant	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP68 - Water resistant to 1.5m depth	IP67 Water Resistant
Dust Resistance	IP67	IP67 Dust Resistant	IP67 rated	IP68 - Dust resistant	IP67 Dust Resistant
Durability Certifications	Not Specified	Not Specified	IP67 certification, Scratch resistant	IP68 certified	None
Primary Controls	Touch screen + Functional rotary crown (side button)	Touch Screen, Functional Rotating Crown	Touchscreen + Single Physical Button	Touch screen with gesture controls and wake-up gesture	Touch Screen, Functional Crown, Push Button
Processor
Operating System	Crest+ OS	Noise OS (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Proprietary Real-Time Operating System (RTOS)	Boult OS (RTOS)
Chipset / SoC	Not specified	Single-chip Tru Sync™ Technology	Single Chip Architecture (not detailed)	Not publicly disclosed	Single-chip 2-in-1 Bluetooth SoC
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)	Yes - 24/7 continuous optical PPG monitoring	24/7 Heart Rate Monitor
ECG	No	No	No ECG support	Not available	No
SpO₂ / Blood Oxygen	Yes	SpO2 Monitoring	Yes (Blood Oxygen Monitor)	Yes - Blood oxygen saturation monitoring	SpO2 Sensor
Skin Temperature Sensor	No	No	No Skin Temperature Sensor	Not available	No
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Sleep Monitor with Stages	Yes (Sleep Monitor)	Yes - Automatic sleep detection with stage analysis	Sleep Monitor (Light, Deep, REM)
Step Counter	Yes (Pedometer with daily step count)	Yes	Yes (Pedometer)	Yes - Pedometer with step tracking	Yes
GPS	Connected GPS	No (Connected GPS)	Yes (Built-in GPS)	Not available - Bluetooth only	Connected GPS
Accelerometer	Yes (G-sensor)	Yes	Yes (3-Axis Accelerometer)	Yes - Motion detection	Yes
Gyroscope	Yes	No	Gyroscope mentioned in some sources but not confirmed	Yes - Rotation sensing	Not Specified
Barometer	No	No	Yes (Barometer sensor mentioned)	Not available	No
Compass	No	No	Compass functionality not clearly specified	Not available	No
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, activity tracking, calorie counter, female cycle tracker	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training
Connectivity
Wi-Fi	No	No	No Wi-Fi	Not available	No
Bluetooth	Bluetooth 5.3	Bluetooth v5.3	Bluetooth v5.0	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.2
NFC	Yes	No	No	No	No
Cellular Connectivity	No	No	Wi-Fi Only (via paired smartphone)	None - Bluetooth only	No
ANT+	No	No	No	No	No
Battery
Capacity	260 mAh (Lithium Polymer)	210 mAh	280-300 mAh (sources vary)	300 mAh lithium-ion	Not Specified (Approx 250-300mAh)
Fast Charging Support	Yes	No	No Fast Charging	Not available	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)	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 5 Days (Typical)
Charging Method	Magnetic charging cable	Magnetic Charging	USB Magnetic Charging Points (Wired)	Proprietary magnetic pogo pins connector	Magnetic Charging
Battery Saver Modes	DND mode, various power saving settings	Power Saving Mode	Yes (Battery Saver Mode available)	Brightness reduction, disable 24/7 HR monitoring, low power mode	Yes
Memory & Storage
RAM	Not Specified	Not Specified	Not specified (watch operates on proprietary OS)	Not specified	Not Specified
Internal Storage	Not Specified	Stores call logs and up to 10 contacts	Not specified	Limited (cloud-based watch faces only)	Not Specified
Expandable Storage	Not Specified	No	Not applicable	Not available	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed Metallic Bezel	Fixed Bezel (Non-rotating)	Fixed circular bezel with flat surface design	Fixed
Buttons / Crown	1 functional crown/button	2 (Side Button + Rotating Crown)	Single Physical Button	No physical buttons - Touch controls only	Rotating Crown + 1 Button
Vibration Motor	Yes	Yes	Yes (Haptic Vibration Motor)	Yes - Linear haptic motor for haptic feedback	Yes
Screen Glass Type	Not specified	2.5D Curved Glass	3D Curved Glass	Standard protective glass (not specified)	2.5D Glass
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS feature (press and hold to alert contacts)	No	No Fall Detection or SOS Calling	Not available	No
Menstrual Cycle / Health Tracking	Not available	Female Cycle Tracker	Yes (Physiological Cycle Reminder)	Yes - Female health tracking with cycle prediction	Female Health Tracker
Noise Monitoring	No	No	No Noise Monitoring	Not available	No
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Breathe Practice	Yes (Breathe Monitor, Relaxation App)	Yes - Breathe Practice guided breathing exercises	Breath Training
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes	Yes (Dedicated HD Speaker)	Yes - For Bluetooth calling	Yes
Microphone	Yes (Built-in HD microphone)	Yes	Yes (Built-in Microphone for Bluetooth Calling)	Yes - For Bluetooth calling	Yes
Voice Assistant	Yes	AI Voice Assistant (Siri/Google)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Not available	Yes (AI Voice Assistant)
Bluetooth Audio Output	Yes	No	Yes (Bluetooth Audio Output via connected phone)	Not available - No music streaming	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	Yes - Call alerts, SMS alerts, app notifications with preview	Call, SMS, App Notifications
Quick Reply Options	Predefined quick replies available	Quick Reply (Android Only)	Predefined Messages and Voice Reply	Yes - Predefined quick reply messages only	No
Music Control / Playback	Yes (Play/Pause, Volume Control, Track navigation)	Remote Music Control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Yes - Remote phone music control (play/pause, volume, track skip)	Music Control (Phone)
Find My Phone	Yes	Yes	Yes (Find My Phone Feature)	Yes - Locate paired smartphone	Yes
Remote Camera Shutter	Yes	Yes	Yes (Remote Camera Control)	Yes - Remote camera trigger for photos	Yes
Security
Fingerprint Sensor	No	No	No	No	No
Face Unlock	No	No	No	No	No
NFC Payment Security	No	No	No NFC, No Payment Security	Not available	No
Find My Watch	Yes (via app)	Yes (via App)	Yes (Find My Watch Feature)	Not available	Yes (via App)
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Magnetic Pogo Pin	USB Magnetic Charging Points	Proprietary magnetic pogo pins connector	Magnetic Pogo Pin
Optional Docks / Stands	Not included	None	Not specified	None mentioned	None
Bundled Extras	Magnetic charging cable, User manual, Warranty QR card	Charging Cable, User Manual	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Magnetic charging cable, user manual, warranty card	Charging Cable, User Manual
Software & Apps
App Store Availability	Not Supported	No	Limited third-party app support (proprietary ecosystem)	Cloud-based proprietary store via NoiseFit app	None
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	100+ cloud-based watch faces with customization through NoiseFit app	150+ Watch Faces, Menu Styles
Companion App	boAt Crest App (Android 7.0+, iOS 14.0+)	NoiseFit App	Fire-Boltt Health App (Android & iOS)	NoiseFit App - Health tracking, notifications, watch face management	Boult Fit (GoBoult Fit)
OTA Updates	Yes (via companion app)	Yes	Yes (Over-the-Air Updates Available)	Yes - OTA firmware 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	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	Alarm, Stopwatch, Weather, Calculator, Games