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