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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	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	Boult Crown R Pro ₹2,399 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
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	1 Unit Smartwatch, 1 Unit USB Magnetic Charging Cable, 1 Unit User Manual, 1 Unit Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card
Model Name	Noise Junior Champ 3	Fire-Boltt Axiom	NoiseFit Twist	boAt Lunar Atlas	Crown R Pro	Fastrack Limitless FS2+
Launch Date	30/09/2025	15/09/2025	12/01/2023	06/02/2026	18/06/2023	10/07/2024
Colors	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Black, Silver, Orange, Gold	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Ranger Black, Phantom Blue	Frozen Silver, Thunder Black, Volcanic Orange	Charcoal Black, Wine Red, Copper Teal, Blue, Beige
Brand	Noise	FireBoltt	Noise	BoAt	GoBoult	Fastrack
Display
Display Size	1.4, 3.55	1.43, 3.63	1.38, 3.5	1.39, 3.5	1.43, 3.63	2.01, 5.1
Resolution	240, 240 pixels	466, 466 pixels	240, 240 pixels	240, 240 pixels	466, 466 pixels	320, 320 pixels
Panel Type	IPS LCD	AMOLED	TFT LCD with 246 PPI pixel density	Color HD Display (TFT-LCD)	Super AMOLED	TFT LCD UltraVU Display
Touch Type	Capacitive Touchscreen	Full Capacitive Touch	Multi-touch capacitive touchscreen	Full Capacitive Touch	Full Touch	Capacitive Touchscreen
Always-on Display	No	Yes	No	No	Yes	No
Brightness	5-level adjustable brightness	1000 nits (Peak)	550 nits peak brightness	500 nits	600 nits	Not specified
Refresh Rate	Not Specified	60Hz	Standard 60Hz (typical for TFT)	60 Hz	60 Hz	Not specified
Color Gamut / HDR Support	Not Specified	Not Specified	Standard RGB color gamut	Standard	Not Specified	Standard color gamut, no HDR support
Screen Protection	Not Specified	Flat Curved Glass	Not specified	Flat Toughened Glass	2.5D Curved Glass	Not specified
Body
Dimensions	44 x 40 x 13 mm	Standard 46mm dial size	45.7 x 52.2 x 11.9 mm	264.9 x 48.6 x 12.9 mm	46 x 46 x 11 mm (Approx)	Not Specified
Weight	31 grams	60 g	27.6 grams	Not Specified	56.5 g	48 grams
Case Material	Acrylonitrile Butadiene Styrene (ABS) plastic	Stainless Steel / Metal Alloy	PC+ABS plastic with metal unibody appearance	Rugged Metallic Alloy Middle Frame with Plastic Bottom	Zinc Alloy Frame	Polycarbonate
Front Protection	Not Specified	Curved Glass	Not specified	Toughened Flat Glass	Glass	Not specified
Strap / Bracelet Options	Hypoallergenic silicone strap	Silicone, Stainless Steel (variant dependent)	22mm silicone with quick-release mechanism	22mm Silicone Strap	Silicone, Metallic (variant dependent)	Silicone
Removable / Replaceable Strap	Not Specified	Yes	Yes	Yes	Yes	No
Water Resistance	1 ATM (Up to 10m depth splash resistance)	IP68 Water Resistant	IP68 - Water resistant to 1.5m depth	IP68 water resistant up to 1.5m for 10 minutes	IP67 Water Resistant	IP68 (1.5m water resistance)
Dust Resistance	Not Specified	IP68 Dust Resistant	IP68 - Dust resistant	Dust proof	IP67 Dust Resistant	Yes, dust proof (IP68 certified)
Durability Certifications	IP Certified	Not Specified	IP68 certified	IP68 Certified	None	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 Rotating Crown, Side Buttons	Touch Screen, Functional Crown, Push Button	Functional Crown (touch-sensitive), Touchscreen
Processor
Operating System	Proprietary Kids Smartwatch OS	Proprietary RTOS	Proprietary Real-Time Operating System (RTOS)	Proprietary RTOS	Boult OS (RTOS)	Android, iOS compatible
Chipset / SoC	Not Specified	Single Core Digital Chipset	Not publicly disclosed	Not Specified	Single-chip 2-in-1 Bluetooth SoC	Not Specified
CPU Cores & Clock Speed	Not Specified	Single Core	Not specified	Not Specified (Optimized for low power)	Not Specified	Not Specified
GPU	—	Integrated	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	Continuous Optical Heart Rate Monitoring	24/7 Heart Rate Monitor	24x7 Heart Rate Monitoring
ECG	Not Supported	No	Not available	Not Available	No	No ECG support
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen sensor	Yes	Yes - Blood oxygen saturation monitoring	SpO2 Blood Oxygen Monitoring	SpO2 Sensor	SpO2 / Blood Oxygen Monitor with continuous monitoring
Skin Temperature Sensor	Not Supported	No	Not available	Not Available	No	Not mentioned
Sleep Tracking	Monitors sleep duration and quality	Yes (Light, Deep, REM)	Yes - Automatic sleep detection with stage analysis	Sleep Stage Tracking (Light, Deep, REM)	Sleep Monitor (Light, Deep, REM)	Sleep Tracker with sleep quality analysis
Step Counter	Built-in pedometer	Yes	Yes - Pedometer with step tracking	Integrated Pedometer	Yes	Pedometer / Step Counter
GPS	No built-in GPS tracking	No (Connected GPS only)	Not available - Bluetooth only	App-Powered GPS Tracking (Connected via Phone)	Connected GPS	Connected GPS (via smartphone only)
Accelerometer	3-axis accelerometer	Yes	Yes - Motion detection	Tri-axial Accelerometer	Yes	Yes, Accelerometer sensor
Gyroscope	Not Specified	Not Specified	Yes - Rotation sensing	Not Available	Not Specified	Not specified
Barometer	Not Supported	No	Not available	Not Available	No	Not specified
Compass	Not Supported	No	Not available	Not Available	No	Not specified
Other Sensors	Step counter, Calorie tracker, Distance tracker	Sedentary Reminder, Hydration Reminder	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress Monitoring, Female Cycle Tracking	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking
Connectivity
Wi-Fi	Not Supported	No	Not available	No Wi-Fi support	No	No Wi-Fi support
Bluetooth	Bluetooth v5.3	Bluetooth 5.0	Bluetooth 5.3 with Tru Sync technology	Bluetooth version 5.4	Bluetooth 5.2	Bluetooth 5.3
NFC	No	No	No	No	No	No
Cellular Connectivity	No Cellular/SIM support	No	None - Bluetooth only	None	No	Bluetooth calling only (SingleSync), no standalone cellular
ANT+	No	No	No	No	No	Not Specified
Battery
Capacity	270 mAh	300 mAh	300 mAh lithium-ion	410 mAh	Not Specified (Approx 250-300mAh)	280 mAh Lithium Polymer
Fast Charging Support	Not Specified	No	Not available	Full charge in approximately 50 minutes	No	Yes - NitroFast Charging (10 min for 1 day use)
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	7-10 days typical; 2-3 days calling	Up to 5 Days (Typical)	Up to 7 days typical use, 10+ days standby
Charging Method	Magnetic Pogo Pin	Wireless Magnetic Dock	Proprietary magnetic pogo pins connector	USB Magnetic 2-pin Pogo Cable	Magnetic Charging	Magnetic charging connector
Battery Saver Modes	Scheduled Power Off	Power Saver Mode	Brightness reduction, disable 24/7 HR monitoring, low power mode	Automatic trigger at 10% battery	Yes	Not mentioned
Memory & Storage
RAM	Not Specified	System RAM only	Not specified	Not Specified	Not Specified	Not officially specified
Internal Storage	Not Specified	No user accessible storage	Limited (cloud-based watch faces only)	Flash memory for health data and contacts	Not Specified	Not officially specified
Expandable Storage	No	No	Not available	No	No	Not applicable
Design & Comfort
Bezel Type	Fixed bezel with switchable poppy bumpers	Fixed with Rotating Crown	Fixed circular bezel with flat surface design	Fixed Rugged Bezel	Fixed	Fixed, minimal bezel
Buttons / Crown	Single physical side button	1 Rotating Crown, 1 Push Button	No physical buttons - Touch controls only	Functional Rotating Crown and 2 Physical Buttons	Rotating Crown + 1 Button	Functional Crown (touch and pressure sensitive)
Vibration Motor	Built-in vibration for alerts	Yes	Yes - Linear haptic motor for haptic feedback	Haptic Vibration Motor	Yes	Yes, haptic feedback vibration motor
Screen Glass Type	Not Specified	Glass	Standard protective glass (not specified)	Flat Toughened Glass	2.5D Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	On-device SOS button and manual emergency contact storage	No	Not available	SOS emergency calling via phone	No	Emergency SOS capability available
Menstrual Cycle / Health Tracking	Not Supported	Yes (Female Health Tracking)	Yes - Female health tracking with cycle prediction	Female Wellness Tracking via App	Female Health Tracker	Women's Health Tracking with menstrual cycle tracking
Noise Monitoring	No	No	Not available	Not Available	No	Not mentioned
Guided Breathing / Mindfulness Features	Not Specified	Breathing Exercises	Yes - Breathe Practice guided breathing exercises	Guided Breathing / Relax Mode	Breath Training	Breathe Exercise feature
Audio & Voice
Built-in Speaker	Built-in speaker for alerts and learning audio	Yes	Yes - For Bluetooth calling	Built-in speaker for Bluetooth calls	Yes	Yes, built-in speaker
Microphone	Built-in microphone for voice notes	Yes	Yes - For Bluetooth calling	Built-in microphone with ENx Noise Suppression	Yes	Yes, high-quality microphone
Voice Assistant	No	AI Voice Assistant (Siri/Google via Phone)	Not available	Siri and Google Assistant supported	Yes (AI Voice Assistant)	Yes, AI Voice Assistant (compatible with Alexa)
Bluetooth Audio Output	No	Phone Calls Only	Not available - No music streaming	Audio via watch speaker	No	Yes, via Bluetooth headphones
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	Alerts for calls, SMS, and app notifications	Call, SMS, App Notifications	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts
Quick Reply Options	Not Specified	No	Yes - Predefined quick reply messages only	Predefined quick reply for calls (Android only)	No	Predefined Quick Replies (Android only)
Music Control / Playback	Remote music control for paired smartphone	Music Control (Remote)	Yes - Remote phone music control (play/pause, volume, track skip)	Remote music control for phone	Music Control (Phone)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control
Find My Phone	Yes	Yes	Yes - Locate paired smartphone	Available via Bluetooth	Yes	Yes, Find My Phone feature
Remote Camera Shutter	Yes	Yes	Yes - Remote camera trigger for photos	Remote shutter control for phone	Yes	Yes, Camera Control feature
Security
Fingerprint Sensor	No	No	No	No	No	Not Specified
Face Unlock	No	No	No	No	No	Not Specified
NFC Payment Security	No	No	Not available	Not Available	No	No NFC support
Find My Watch	Yes, via Noise Junior App	Yes (via App)	Not available	Available via boAt Crest App	Yes (via App)	Not explicitly mentioned
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)
Optional Docks / Stands	Not Specified	None	None mentioned	Not Available	None	None mentioned
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	1 Magnetic Charging Cable	Charging Cable, User Manual	Quick Start Guide, Warranty Card, Magnetic Charging Cable
Software & Apps
App Store Availability	No proprietary watch app store	No	Cloud-based proprietary store via NoiseFit app	No standalone app store	None	Fastrack Smart World App (Google Play compatible)
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	100+ Cloud Watch Faces, Customizable Watch Face Studio	150+ Watch Faces, Menu Styles	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator
Companion App	Noise Junior App	Fire-Boltt App / Da Fit	NoiseFit App - Health tracking, notifications, watch face management	boAt Crest App	Boult Fit (GoBoult Fit)	Fastrack Smart World App (formerly Fastrack Reflex World App)
OTA Updates	Supports over-the-air firmware updates	Yes	Yes - OTA firmware updates available	Firmware updates via App	Yes	Yes, over-the-air updates available
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	100+ Sports Modes, QR Tray, Weather, Calculator, Games	Alarm, Stopwatch, Weather, Calculator, Games	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor