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Detailed side-by-side comparison of specifications, features and latest prices in India.

Specification	Noise Junior Champ 3 ₹1,999 Prices and availability may change on the seller's site View Price	Fire-Boltt Axiom ₹1,999 Prices and availability may change on the seller's site View Price	Noise Twist Round dial ₹1,599 Prices and availability may change on the seller's site View Price	Boult Crown R Pro ₹2,399 Prices and availability may change on the seller's site View Price	Noise Twist Go ₹1,599 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	boAt Lunar Atlas,GPS Tracking,1.39″ Display,Rugged Body,Functional Crown Smartwatch ₹1,899 Prices and availability may change on the seller's site View Price
General
In The Box	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Wireless Charging Dock, User Manual, Warranty Card	Smartwatch, Magnetic 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	1 Unit Smartwatch, 1 Unit USB Magnetic Charging Cable, 1 Unit User Manual, 1 Unit Warranty Card
Model Name	Noise Junior Champ 3	Fire-Boltt Axiom	NoiseFit Twist	Crown R Pro	NoiseFit Twist Go	Fastrack Limitless FS2+	boAt Lunar Atlas
Launch Date	30/09/2025	15/09/2025	12/01/2023	18/06/2023	31/10/2023	10/07/2024	06/02/2026
Colors	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Black, Silver, Orange, Gold	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	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	Ranger Black, Phantom Blue
Brand	Noise	FireBoltt	Noise	GoBoult	Noise	Fastrack	BoAt
Display
Display Size	1.4, 3.55	1.43, 3.63	1.38, 3.5	1.43, 3.63	1.39, 3.53	2.01, 5.1	1.39, 3.5
Resolution	240, 240 pixels	466, 466 pixels	240, 240 pixels	466, 466 pixels	240, 240 pixels	320, 320 pixels	240, 240 pixels
Panel Type	IPS LCD	AMOLED	TFT LCD with 246 PPI pixel density	Super AMOLED	TFT LCD	TFT LCD UltraVU Display	Color HD Display (TFT-LCD)
Touch Type	Capacitive Touchscreen	Full Capacitive Touch	Multi-touch capacitive touchscreen	Full Touch	Full Touch	Capacitive Touchscreen	Full Capacitive Touch
Always-on Display	No	Yes	No	Yes	No	No	No
Brightness	5-level adjustable brightness	1000 nits (Peak)	550 nits peak brightness	600 nits	Up to 500 nits	Not specified	500 nits
Refresh Rate	Not Specified	60Hz	Standard 60Hz (typical for TFT)	60 Hz	60Hz	Not specified	60 Hz
Color Gamut / HDR Support	Not Specified	Not Specified	Standard RGB color gamut	Not Specified	Not Specified	Standard color gamut, no HDR support	Standard
Screen Protection	Not Specified	Flat Curved Glass	Not specified	2.5D Curved Glass	2.5D Glass	Not specified	Flat Toughened Glass
Body
Dimensions	44 x 40 x 13 mm	Standard 46mm dial size	45.7 x 52.2 x 11.9 mm	46 x 46 x 11 mm (Approx)	Round Dial, approx. 46mm diameter (exact mm not specified)	Not Specified	264.9 x 48.6 x 12.9 mm
Weight	31 grams	60 g	27.6 grams	56.5 g	Approx. 40g - 45g	48 grams	Not Specified
Case Material	Acrylonitrile Butadiene Styrene (ABS) plastic	Stainless Steel / Metal Alloy	PC+ABS plastic with metal unibody appearance	Zinc Alloy Frame	Metallic Finish (Zinc Alloy) with Polycarbonate back	Polycarbonate	Rugged Metallic Alloy Middle Frame with Plastic Bottom
Front Protection	Not Specified	Curved Glass	Not specified	Glass	2.5D Curved Glass	Not specified	Toughened Flat Glass
Strap / Bracelet Options	Hypoallergenic silicone strap	Silicone, Stainless Steel (variant dependent)	22mm silicone with quick-release mechanism	Silicone, Metallic (variant dependent)	22mm Silicone, Metallic Link, or Mesh options	Silicone	22mm Silicone Strap
Removable / Replaceable Strap	Not Specified	Yes	Yes	Yes	Yes	No	Yes
Water Resistance	1 ATM (Up to 10m depth splash resistance)	IP68 Water Resistant	IP68 - Water resistant to 1.5m depth	IP67 Water Resistant	IP67 Water Resistant	IP68 (1.5m water resistance)	IP68 water resistant up to 1.5m for 10 minutes
Dust Resistance	Not Specified	IP68 Dust Resistant	IP68 - Dust resistant	IP67 Dust Resistant	IP67 Dust Resistant	Yes, dust proof (IP68 certified)	Dust proof
Durability Certifications	IP Certified	Not Specified	IP68 certified	None	Not Specified	IP68 certified	IP68 Certified
Primary Controls	Touch screen and single physical side button	Rotating Crown, Touch Screen, Push Button	Touch screen with gesture controls and wake-up gesture	Touch Screen, Functional Crown, Push Button	Touch Screen, Functional Rotating Crown	Functional Crown (touch-sensitive), Touchscreen	Touch Screen, Functional Rotating Crown, Side Buttons
Processor
Operating System	Proprietary Kids Smartwatch OS	Proprietary RTOS	Proprietary Real-Time Operating System (RTOS)	Boult OS (RTOS)	Noise OS (RTOS)	Android, iOS compatible	Proprietary RTOS
Chipset / SoC	Not Specified	Single Core Digital Chipset	Not publicly disclosed	Single-chip 2-in-1 Bluetooth SoC	Single-chip Tru Sync™ Technology	Not Specified	Not Specified
CPU Cores & Clock Speed	Not Specified	Single Core	Not specified	Not Specified	Not Specified	Not Specified	Not Specified (Optimized for low power)
GPU	—	Integrated	Not specified	Not Specified	Not Specified	Not specified	—
Health & Fitness Sensors
Heart Rate Monitor	Optical heart rate sensor	Optical PPG Sensor	Yes - 24/7 continuous optical PPG monitoring	24/7 Heart Rate Monitor	24/7 Heart Rate Monitor	24x7 Heart Rate Monitoring	Continuous Optical Heart Rate Monitoring
ECG	Not Supported	No	Not available	No	No	No ECG support	Not Available
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen sensor	Yes	Yes - Blood oxygen saturation monitoring	SpO2 Sensor	SpO2 Monitoring	SpO2 / Blood Oxygen Monitor with continuous monitoring	SpO2 Blood Oxygen Monitoring
Skin Temperature Sensor	Not Supported	No	Not available	No	No	Not mentioned	Not Available
Sleep Tracking	Monitors sleep duration and quality	Yes (Light, Deep, REM)	Yes - Automatic sleep detection with stage analysis	Sleep Monitor (Light, Deep, REM)	Sleep Monitor with Stages	Sleep Tracker with sleep quality analysis	Sleep Stage Tracking (Light, Deep, REM)
Step Counter	Built-in pedometer	Yes	Yes - Pedometer with step tracking	Yes	Yes	Pedometer / Step Counter	Integrated Pedometer
GPS	No built-in GPS tracking	No (Connected GPS only)	Not available - Bluetooth only	Connected GPS	No (Connected GPS)	Connected GPS (via smartphone only)	App-Powered GPS Tracking (Connected via Phone)
Accelerometer	3-axis accelerometer	Yes	Yes - Motion detection	Yes	Yes	Yes, Accelerometer sensor	Tri-axial Accelerometer
Gyroscope	Not Specified	Not Specified	Yes - Rotation sensing	Not Specified	No	Not specified	Not Available
Barometer	Not Supported	No	Not available	No	No	Not specified	Not Available
Compass	Not Supported	No	Not available	No	No	Not specified	Not Available
Other Sensors	Step counter, Calorie tracker, Distance tracker	Sedentary Reminder, Hydration Reminder	Stress monitor, activity tracking, calorie counter, female cycle tracker	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training	Stress Monitor, Breathe Practice, Female Cycle Tracker	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress Monitoring, Female Cycle Tracking
Connectivity
Wi-Fi	Not Supported	No	Not available	No	No	No Wi-Fi support	No Wi-Fi support
Bluetooth	Bluetooth v5.3	Bluetooth 5.0	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.2	Bluetooth v5.3	Bluetooth 5.3	Bluetooth version 5.4
NFC	No	No	No	No	No	No	No
Cellular Connectivity	No Cellular/SIM support	No	None - Bluetooth only	No	No	Bluetooth calling only (SingleSync), no standalone cellular	None
ANT+	No	No	No	No	No	Not Specified	No
Battery
Capacity	270 mAh	300 mAh	300 mAh lithium-ion	Not Specified (Approx 250-300mAh)	210 mAh	280 mAh Lithium Polymer	410 mAh
Fast Charging Support	Not Specified	No	Not available	No	No	Yes - NitroFast Charging (10 min for 1 day use)	Full charge in approximately 50 minutes
Estimated Runtime	Up to 3 to 5 days on typical use	Up to 7 Days (Typical)	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 5 Days (Typical)	Up to 7 Days (Typical), 2 Days (Calling)	Up to 7 days typical use, 10+ days standby	7-10 days typical; 2-3 days calling
Charging Method	Magnetic Pogo Pin	Wireless Magnetic Dock	Proprietary magnetic pogo pins connector	Magnetic Charging	Magnetic Charging	Magnetic charging connector	USB Magnetic 2-pin Pogo Cable
Battery Saver Modes	Scheduled Power Off	Power Saver Mode	Brightness reduction, disable 24/7 HR monitoring, low power mode	Yes	Power Saving Mode	Not mentioned	Automatic trigger at 10% battery
Memory & Storage
RAM	Not Specified	System RAM only	Not specified	Not Specified	Not Specified	Not officially specified	Not Specified
Internal Storage	Not Specified	No user accessible storage	Limited (cloud-based watch faces only)	Not Specified	Stores call logs and up to 10 contacts	Not officially specified	Flash memory for health data and contacts
Expandable Storage	No	No	Not available	No	No	Not applicable	No
Design & Comfort
Bezel Type	Fixed bezel with switchable poppy bumpers	Fixed with Rotating Crown	Fixed circular bezel with flat surface design	Fixed	Fixed Metallic Bezel	Fixed, minimal bezel	Fixed Rugged Bezel
Buttons / Crown	Single physical side button	1 Rotating Crown, 1 Push Button	No physical buttons - Touch controls only	Rotating Crown + 1 Button	2 (Side Button + Rotating Crown)	Functional Crown (touch and pressure sensitive)	Functional Rotating Crown and 2 Physical Buttons
Vibration Motor	Built-in vibration for alerts	Yes	Yes - Linear haptic motor for haptic feedback	Yes	Yes	Yes, haptic feedback vibration motor	Haptic Vibration Motor
Screen Glass Type	Not Specified	Glass	Standard protective glass (not specified)	2.5D Glass	2.5D Curved Glass	Not specified	Flat Toughened Glass
Health & Safety Features
Fall Detection / SOS Calling	On-device SOS button and manual emergency contact storage	No	Not available	No	No	Emergency SOS capability available	SOS emergency calling via phone
Menstrual Cycle / Health Tracking	Not Supported	Yes (Female Health Tracking)	Yes - Female health tracking with cycle prediction	Female Health Tracker	Female Cycle Tracker	Women's Health Tracking with menstrual cycle tracking	Female Wellness Tracking via App
Noise Monitoring	No	No	Not available	No	No	Not mentioned	Not Available
Guided Breathing / Mindfulness Features	Not Specified	Breathing Exercises	Yes - Breathe Practice guided breathing exercises	Breath Training	Breathe Practice	Breathe Exercise feature	Guided Breathing / Relax Mode
Audio & Voice
Built-in Speaker	Built-in speaker for alerts and learning audio	Yes	Yes - For Bluetooth calling	Yes	Yes	Yes, built-in speaker	Built-in speaker for Bluetooth calls
Microphone	Built-in microphone for voice notes	Yes	Yes - For Bluetooth calling	Yes	Yes	Yes, high-quality microphone	Built-in microphone with ENx Noise Suppression
Voice Assistant	No	AI Voice Assistant (Siri/Google via Phone)	Not available	Yes (AI Voice Assistant)	AI Voice Assistant (Siri/Google)	Yes, AI Voice Assistant (compatible with Alexa)	Siri and Google Assistant supported
Bluetooth Audio Output	No	Phone Calls Only	Not available - No music streaming	No	No	Yes, via Bluetooth headphones	Audio via watch speaker
Notifications & Controls
Notification Support	Call alerts, SMS/text alerts, and App notifications	Call, SMS, WhatsApp, Social Media	Yes - Call alerts, SMS alerts, app notifications with preview	Call, SMS, App Notifications	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Alerts for calls, SMS, and app notifications
Quick Reply Options	Not Specified	No	Yes - Predefined quick reply messages only	No	Quick Reply (Android Only)	Predefined Quick Replies (Android only)	Predefined quick reply for calls (Android only)
Music Control / Playback	Remote music control for paired smartphone	Music Control (Remote)	Yes - Remote phone music control (play/pause, volume, track skip)	Music Control (Phone)	Remote Music Control	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Remote music control for phone
Find My Phone	Yes	Yes	Yes - Locate paired smartphone	Yes	Yes	Yes, Find My Phone feature	Available via Bluetooth
Remote Camera Shutter	Yes	Yes	Yes - Remote camera trigger for photos	Yes	Yes	Yes, Camera Control feature	Remote shutter control for phone
Security
Fingerprint Sensor	No	No	No	No	No	Not Specified	No
Face Unlock	No	No	No	No	No	Not Specified	No
NFC Payment Security	No	No	Not available	No	No	No NFC support	Not Available
Find My Watch	Yes, via Noise Junior App	Yes (via App)	Not available	Yes (via App)	Yes (via App)	Not explicitly mentioned	Available via boAt Crest App
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Wireless Charging Dock	Proprietary magnetic pogo pins connector	Magnetic Pogo Pin	Magnetic Pogo Pin	Magnetic charging connector (proprietary)	Magnetic Pogo Pin
Optional Docks / Stands	Not Specified	None	None mentioned	None	None	None mentioned	Not Available
Bundled Extras	1 Smartwatch, 1 Magnetic Charger, 2 Extra Switchable Bumpers, User Manual, Warranty Card	Charging Cable, Manual	Magnetic charging cable, user manual, warranty card	Charging Cable, User Manual	Charging Cable, User Manual	Quick Start Guide, Warranty Card, Magnetic Charging Cable	1 Magnetic Charging Cable
Software & Apps
App Store Availability	No proprietary watch app store	No	Cloud-based proprietary store via NoiseFit app	None	No	Fastrack Smart World App (Google Play compatible)	No standalone app store
Customization Options	100+ Cloud-based watch faces; 3-in-1 look via switchable bumpers	100+ Cloud Watch Faces	100+ cloud-based watch faces with customization through NoiseFit app	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	100+ Cloud Watch Faces, Customizable Watch Face Studio
Companion App	Noise Junior App	Fire-Boltt App / Da Fit	NoiseFit App - Health tracking, notifications, watch face management	Boult Fit (GoBoult Fit)	NoiseFit App	Fastrack Smart World App (formerly Fastrack Reflex World App)	boAt Crest App
OTA Updates	Supports over-the-air firmware updates	Yes	Yes - OTA firmware updates available	Yes	Yes	Yes, over-the-air updates available	Firmware updates via App
Pre-installed Apps	Learning Hub (Games, EduCards, Quizzes), Habit Builder, Smart Scheduler, Alarm, Timer, Stopwatch, Weather	Alarm, Stopwatch, Timer, 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	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	100+ Sports Modes, QR Tray, Weather, Calculator, Games