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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	Fastrack Limitless FS2+ ₹1,599 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	Fire-Boltt Hunter 51.1mm ₹1,199 Prices and availability may change on the seller's site View Price	Fastrack Limitless Glide X ₹1,299 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, Magnetic Charging Cable, Quick Start Guide, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Fastrack Limitless Glide X 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	Fastrack Limitless FS2+	Crown R Pro	NoiseFit Twist Go	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	Fastrack Limitless Glide X	Colorfit Icon 2
Launch Date	25/10/2024	12/01/2023	10/07/2024	18/06/2023	31/10/2023	25/05/2023	27/07/2024	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	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Frozen Silver, Thunder Black, Volcanic Orange	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Black, Blue, Red, Beige, Teal, Wine Red, Grey	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	BoAt	Noise	Fastrack	GoBoult	Noise	FireBoltt	Fastrack	Noise
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	1.83, 4.64	1.8, 4.57
Resolution	240, 240 pixels	240, 240 pixels	320, 320 pixels	466, 466 pixels	240, 240 pixels	240, 296 pixels	240, 286 pixels	240, 280 pixels
Panel Type	TFT LCD (HD Display)	TFT LCD with 246 PPI pixel density	TFT LCD UltraVU Display	Super AMOLED	TFT LCD	TFT LCD	TFT LCD (UltraVU HD LCD technology)	LCD
Touch Type	MultiTouch	Multi-touch capacitive touchscreen	Capacitive Touchscreen	Full Touch	Full Touch	Capacitive Full Touch Screen (Single Touch)	Multi-touch capacitive touchscreen	Capacitive Touchscreen
Always-on Display	Not Specified	No	No	Yes	No	No	Yes	No
Brightness	Not specified	550 nits peak brightness	Not specified	600 nits	Up to 500 nits	450 nits	450 nits peak brightness	500 nits
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	Not specified	60 Hz	60Hz	Standard refresh rate (not specified)	Not specified	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	Not specified	Not specified
Screen Protection	Not specified	Not specified	Not specified	2.5D Curved Glass	2.5D Glass	3D Curved Glass, Scratch Resistant	Panda Glass with anti-reflective coating	Not specified
Body
Dimensions	44.0 x 45.9 x 12.3 mm	45.7 x 52.2 x 11.9 mm	Not Specified	46 x 46 x 11 mm (Approx)	Round Dial, approx. 46mm diameter (exact mm not specified)	51.3mm (Diameter) x 9.8mm (Thickness)	45.2 x 37.2 x 11.34 mm	44.5 x 36.5 x 11 mm
Weight	45 g	27.6 grams	48 grams	56.5 g	Approx. 40g - 45g	36.8 grams	40-48 grams	53.5 grams
Case Material	Aluminum Alloy middle frame with plastic bottom	PC+ABS plastic with metal unibody appearance	Polycarbonate	Zinc Alloy Frame	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	Not specified	Not specified	Glass	2.5D Curved Glass	3D Curved Glass (Scratch Resistant)	Panda Glass with anti-reflective properties	Not specified
Strap / Bracelet Options	Silicon and Metal straps available	22mm silicone with quick-release mechanism	Silicone	Silicone, Metallic (variant dependent)	22mm Silicone, Metallic Link, or Mesh options	Silicone (Removable and Replaceable)	Silicon silicone straps with hook buckle closure	Silicone strap
Removable / Replaceable Strap	Yes	Yes	No	Yes	Yes	Yes	Yes	Yes
Water Resistance	IP67	IP68 - Water resistant to 1.5m depth	IP68 (1.5m water resistance)	IP67 Water Resistant	IP67 Water Resistant	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP67	IP67
Dust Resistance	IP67	IP68 - Dust resistant	Yes, dust proof (IP68 certified)	IP67 Dust Resistant	IP67 Dust Resistant	IP67 rated	Yes, dust-proof design	IP67
Durability Certifications	Not Specified	IP68 certified	IP68 certified	None	Not Specified	IP67 certification, Scratch resistant	Not specified	None mentioned
Primary Controls	Touch screen + Functional rotary crown (side button)	Touch screen with gesture controls and wake-up gesture	Functional Crown (touch-sensitive), Touchscreen	Touch Screen, Functional Crown, Push Button	Touch Screen, Functional Rotating Crown	Touchscreen + Single Physical Button	Touchscreen interface, single-press physical button, long-press for menu navigation	Touch Screen, 1x Side Button (Power/Wake)
Processor
Operating System	Crest+ OS	Proprietary Real-Time Operating System (RTOS)	Android, iOS compatible	Boult OS (RTOS)	Noise OS (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Proprietary OS	Proprietary OS
Chipset / SoC	Not specified	Not publicly disclosed	Not Specified	Single-chip 2-in-1 Bluetooth SoC	Single-chip Tru Sync™ Technology	Single Chip Architecture (not detailed)	Advanced proprietary ATS Chipset with optimized performance for zero lags and faster processing	Not specified
CPU Cores & Clock Speed	Not specified	Not specified	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	Not Specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Yes (Optical PPG sensor)	Yes - 24/7 continuous optical PPG monitoring	24x7 Heart Rate Monitoring	24/7 Heart Rate Monitor	24/7 Heart Rate Monitor	Yes (HX3600 / HRS3600 Optical PPG Sensor)	Yes, 24x7 continuous monitoring (Optical PPG sensor)	Yes (Optical PPG sensor)
ECG	No	Not available	No ECG support	No	No	No ECG support	Not available	No
SpO₂ / Blood Oxygen	Yes	Yes - Blood oxygen saturation monitoring	SpO2 / Blood Oxygen Monitor with continuous monitoring	SpO2 Sensor	SpO2 Monitoring	Yes (Blood Oxygen Monitor)	Yes, Spot-check monitoring	Yes
Skin Temperature Sensor	No	Not available	Not mentioned	No	No	No Skin Temperature Sensor	Not available	No
Sleep Tracking	Yes (monitors sleep quality, hours slept)	Yes - Automatic sleep detection with stage analysis	Sleep Tracker with sleep quality analysis	Sleep Monitor (Light, Deep, REM)	Sleep Monitor with Stages	Yes (Sleep Monitor)	Yes, with REM sleep tracking and automatic sleep detection	Yes
Step Counter	Yes (Pedometer with daily step count)	Yes - Pedometer with step tracking	Pedometer / Step Counter	Yes	Yes	Yes (Pedometer)	Yes, with step counting accuracy	Yes
GPS	Connected GPS	Not available - Bluetooth only	Connected GPS (via smartphone only)	Connected GPS	No (Connected GPS)	Yes (Built-in GPS)	Connected GPS only	No (Connected GPS via smartphone)
Accelerometer	Yes (G-sensor)	Yes - Motion detection	Yes, Accelerometer sensor	Yes	Yes	Yes (3-Axis Accelerometer)	Yes	Yes
Gyroscope	Yes	Yes - Rotation sensing	Not specified	Not Specified	No	Gyroscope mentioned in some sources but not confirmed	Not available	Not specified
Barometer	No	Not available	Not specified	No	No	Yes (Barometer sensor mentioned)	Not available	Not specified
Compass	No	Not available	Not specified	No	No	Compass functionality not clearly specified	Not Specified	Not specified
Other Sensors	Stress Monitor, Energy Score tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training	Stress Monitor, Breathe Practice, Female Cycle Tracker	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	N/A	Stress monitor, Breathing exercise tracking
Connectivity
Wi-Fi	No	Not available	No Wi-Fi support	No	No	No Wi-Fi	Not available	No
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.3	Bluetooth 5.2	Bluetooth v5.3	Bluetooth v5.0	Bluetooth 5.3 with extended range up to 10 meters	5.1
NFC	Yes	No	No	No	No	No	No	No
Cellular Connectivity	No	None - Bluetooth only	Bluetooth calling only (SingleSync), no standalone cellular	No	No	Wi-Fi Only (via paired smartphone)	Smartphone-dependent (Wi-Fi only through paired device)	No
ANT+	No	No	Not Specified	No	No	No	Not Specified	No
Battery
Capacity	260 mAh (Lithium Polymer)	300 mAh lithium-ion	280 mAh Lithium Polymer	Not Specified (Approx 250-300mAh)	210 mAh	280-300 mAh (sources vary)	280 mAh Lithium Polymer	260 mAh
Fast Charging Support	Yes	Not available	Yes - NitroFast Charging (10 min for 1 day use)	No	No	No Fast Charging	Yes	No
Estimated Runtime	Up to 7 days	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 7 days typical use, 10+ days standby	Up to 5 Days (Typical)	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 5 days	4-7 days
Charging Method	Magnetic charging cable	Proprietary magnetic pogo pins connector	Magnetic charging connector	Magnetic Charging	Magnetic Charging	USB Magnetic Charging Points (Wired)	Magnetic charging pins	Magnetic charging cable
Battery Saver Modes	DND mode, various power saving settings	Brightness reduction, disable 24/7 HR monitoring, low power mode	Not mentioned	Yes	Power Saving Mode	Yes (Battery Saver Mode available)	N/A	Not specified
Memory & Storage
RAM	Not Specified	Not specified	Not officially specified	Not Specified	Not Specified	Not specified (watch operates on proprietary OS)	16 MB	Not specified
Internal Storage	Not Specified	Limited (cloud-based watch faces only)	Not officially specified	Not Specified	Stores call logs and up to 10 contacts	Not specified	16 MB	Not specified
Expandable Storage	Not Specified	Not available	Not applicable	No	No	Not applicable	Not expandable	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed circular bezel with flat surface design	Fixed, minimal bezel	Fixed	Fixed Metallic Bezel	Fixed Bezel (Non-rotating)	Fixed bezel	Fixed bezel
Buttons / Crown	1 functional crown/button	No physical buttons - Touch controls only	Functional Crown (touch and pressure sensitive)	Rotating Crown + 1 Button	2 (Side Button + Rotating Crown)	Single Physical Button	Single physical button on the right side	1x Side Button for power on/off and wake functions
Vibration Motor	Yes	Yes - Linear haptic motor for haptic feedback	Yes, haptic feedback vibration motor	Yes	Yes	Yes (Haptic Vibration Motor)	Yes, with haptic feedback and vibration intensity settings	Yes
Screen Glass Type	Not specified	Standard protective glass (not specified)	Not specified	2.5D Glass	2.5D Curved Glass	3D Curved Glass	Panda Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS feature (press and hold to alert contacts)	Not available	Emergency SOS capability available	No	No	No Fall Detection or SOS Calling	Not available	No
Menstrual Cycle / Health Tracking	Not available	Yes - Female health tracking with cycle prediction	Women's Health Tracking with menstrual cycle tracking	Female Health Tracker	Female Cycle Tracker	Yes (Physiological Cycle Reminder)	Not available	Yes
Noise Monitoring	No	Not available	Not mentioned	No	No	No Noise Monitoring	Not available	No
Guided Breathing / Mindfulness Features	Yes (Breathe Training Mode / Relax Mode)	Yes - Breathe Practice guided breathing exercises	Breathe Exercise feature	Breath Training	Breathe Practice	Yes (Breathe Monitor, Relaxation App)	Breathing exercise app available within Fastrack Reflex World App	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes (HD speaker)	Yes - For Bluetooth calling	Yes, built-in speaker	Yes	Yes	Yes (Dedicated HD Speaker)	Yes, with microphone for hands-free calling	Yes
Microphone	Yes (Built-in HD microphone)	Yes - For Bluetooth calling	Yes, high-quality microphone	Yes	Yes	Yes (Built-in Microphone for Bluetooth Calling)	Yes, dual microphone setup for clear voice communication	Yes
Voice Assistant	Yes	Not available	Yes, AI Voice Assistant (compatible with Alexa)	Yes (AI Voice Assistant)	AI Voice Assistant (Siri/Google)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	AI Voice Assistant available via Fastrack Reflex World companion app	Yes
Bluetooth Audio Output	Yes	Not available - No music streaming	Yes, via Bluetooth headphones	No	No	Yes (Bluetooth Audio Output via connected phone)	Yes, Bluetooth audio output for calls and music playback	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	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call alerts, SMS notifications, App notifications, Social media alerts	Yes
Quick Reply Options	Predefined quick replies available	Yes - Predefined quick reply messages only	Predefined Quick Replies (Android only)	No	Quick Reply (Android Only)	Predefined Messages and Voice Reply	Predefined quick reply templates available	Predefined messages
Music Control / Playback	Yes (Play/Pause, Volume Control, Track navigation)	Yes - Remote phone music control (play/pause, volume, track skip)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Music Control (Phone)	Remote Music Control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Yes - Play/Pause, Volume Control, Music player app integration	Remote music control (Play/Pause, Volume, Track control)
Find My Phone	Yes	Yes - Locate paired smartphone	Yes, Find My Phone feature	Yes	Yes	Yes (Find My Phone Feature)	Yes, Find My Phone feature available	Yes
Remote Camera Shutter	Yes	Yes - Remote camera trigger for photos	Yes, Camera Control feature	Yes	Yes	Yes (Remote Camera Control)	Yes, remote camera shutter control via smartwatch	Yes
Security
Fingerprint Sensor	No	No	Not Specified	No	No	No	No	No
Face Unlock	No	No	Not Specified	No	No	No	No	No
NFC Payment Security	No	Not available	No NFC support	No	No	No NFC, No Payment Security	Not available	No
Find My Watch	Yes (via app)	Not available	Not explicitly mentioned	Yes (via App)	Yes (via App)	Yes (Find My Watch Feature)	Not available	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic USB charging cable	Proprietary magnetic pogo pins connector	Magnetic charging connector (proprietary)	Magnetic Pogo Pin	Magnetic Pogo Pin	USB Magnetic Charging Points	Magnetic pins	Magnetic charging pins
Optional Docks / Stands	Not included	None mentioned	None mentioned	None	None	Not specified	None specified	Not specified
Bundled Extras	Magnetic charging cable, User manual, Warranty QR card	Magnetic charging cable, user manual, warranty card	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Charging Cable, User Manual	Charging Cable, User Manual	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Extra silicon strap color variants; magnetic charging cable	Not Specified
Software & Apps
App Store Availability	Not Supported	Cloud-based proprietary store via NoiseFit app	Fastrack Smart World App (Google Play compatible)	None	No	Limited third-party app support (proprietary ecosystem)	N/A	No
Customization Options	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	100+ cloud-based watch faces with customization through NoiseFit app	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	150+ Watch Faces, Menu Styles	100+ Cloud Watch Faces	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	100+ customizable watch faces, theme personalization, layout options	100+ cloud-based watch faces
Companion App	boAt Crest App (Android 7.0+, iOS 14.0+)	NoiseFit App - Health tracking, notifications, watch face management	Fastrack Smart World App (formerly Fastrack Reflex World App)	Boult Fit (GoBoult Fit)	NoiseFit App	Fire-Boltt Health App (Android & iOS)	Fastrack Reflex World App	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	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	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	Alarm, Stopwatch, Weather, Calculator, 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	N/A	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)