Compare Products Side-by-Side

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
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
Model Name	Noise Junior Champ 3	Fire-Boltt Axiom	NoiseFit Twist	Crown R Pro	NoiseFit Twist Go
Launch Date	30/09/2025	15/09/2025	12/01/2023	18/06/2023	31/10/2023
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
Brand	Noise	FireBoltt	Noise	GoBoult	Noise
Display
Display Size	1.4, 3.55	1.43, 3.63	1.38, 3.5	1.43, 3.63	1.39, 3.53
Resolution	240, 240 pixels	466, 466 pixels	240, 240 pixels	466, 466 pixels	240, 240 pixels
Panel Type	IPS LCD	AMOLED	TFT LCD with 246 PPI pixel density	Super AMOLED	TFT LCD
Touch Type	Capacitive Touchscreen	Full Capacitive Touch	Multi-touch capacitive touchscreen	Full Touch	Full Touch
Always-on Display	No	Yes	No	Yes	No
Brightness	5-level adjustable brightness	1000 nits (Peak)	550 nits peak brightness	600 nits	Up to 500 nits
Refresh Rate	Not Specified	60Hz	Standard 60Hz (typical for TFT)	60 Hz	60Hz
Color Gamut / HDR Support	Not Specified	Not Specified	Standard RGB color gamut	Not Specified	Not Specified
Screen Protection	Not Specified	Flat Curved Glass	Not specified	2.5D Curved Glass	2.5D 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)
Weight	31 grams	60 g	27.6 grams	56.5 g	Approx. 40g - 45g
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
Front Protection	Not Specified	Curved Glass	Not specified	Glass	2.5D Curved 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
Removable / Replaceable Strap	Not Specified	Yes	Yes	Yes	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
Dust Resistance	Not Specified	IP68 Dust Resistant	IP68 - Dust resistant	IP67 Dust Resistant	IP67 Dust Resistant
Durability Certifications	IP Certified	Not Specified	IP68 certified	None	Not Specified
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
Processor
Operating System	Proprietary Kids Smartwatch OS	Proprietary RTOS	Proprietary Real-Time Operating System (RTOS)	Boult OS (RTOS)	Noise OS (RTOS)
Chipset / SoC	Not Specified	Single Core Digital Chipset	Not publicly disclosed	Single-chip 2-in-1 Bluetooth SoC	Single-chip Tru Sync™ Technology
CPU Cores & Clock Speed	Not Specified	Single Core	Not specified	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	24/7 Heart Rate Monitor	24/7 Heart Rate Monitor
ECG	Not Supported	No	Not available	No	No
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen sensor	Yes	Yes - Blood oxygen saturation monitoring	SpO2 Sensor	SpO2 Monitoring
Skin Temperature Sensor	Not Supported	No	Not available	No	No
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
Step Counter	Built-in pedometer	Yes	Yes - Pedometer with step tracking	Yes	Yes
GPS	No built-in GPS tracking	No (Connected GPS only)	Not available - Bluetooth only	Connected GPS	No (Connected GPS)
Accelerometer	3-axis accelerometer	Yes	Yes - Motion detection	Yes	Yes
Gyroscope	Not Specified	Not Specified	Yes - Rotation sensing	Not Specified	No
Barometer	Not Supported	No	Not available	No	No
Compass	Not Supported	No	Not available	No	No
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
Connectivity
Wi-Fi	Not Supported	No	Not available	No	No
Bluetooth	Bluetooth v5.3	Bluetooth 5.0	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.2	Bluetooth v5.3
NFC	No	No	No	No	No
Cellular Connectivity	No Cellular/SIM support	No	None - Bluetooth only	No	No
ANT+	No	No	No	No	No
Battery
Capacity	270 mAh	300 mAh	300 mAh lithium-ion	Not Specified (Approx 250-300mAh)	210 mAh
Fast Charging Support	Not Specified	No	Not available	No	No
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)
Charging Method	Magnetic Pogo Pin	Wireless Magnetic Dock	Proprietary magnetic pogo pins connector	Magnetic Charging	Magnetic Charging
Battery Saver Modes	Scheduled Power Off	Power Saver Mode	Brightness reduction, disable 24/7 HR monitoring, low power mode	Yes	Power Saving Mode
Memory & Storage
RAM	Not Specified	System RAM only	Not specified	Not 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
Expandable Storage	No	No	Not available	No	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
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)
Vibration Motor	Built-in vibration for alerts	Yes	Yes - Linear haptic motor for haptic feedback	Yes	Yes
Screen Glass Type	Not Specified	Glass	Standard protective glass (not specified)	2.5D Glass	2.5D Curved Glass
Health & Safety Features
Fall Detection / SOS Calling	On-device SOS button and manual emergency contact storage	No	Not available	No	No
Menstrual Cycle / Health Tracking	Not Supported	Yes (Female Health Tracking)	Yes - Female health tracking with cycle prediction	Female Health Tracker	Female Cycle Tracker
Noise Monitoring	No	No	Not available	No	No
Guided Breathing / Mindfulness Features	Not Specified	Breathing Exercises	Yes - Breathe Practice guided breathing exercises	Breath Training	Breathe Practice
Audio & Voice
Built-in Speaker	Built-in speaker for alerts and learning audio	Yes	Yes - For Bluetooth calling	Yes	Yes
Microphone	Built-in microphone for voice notes	Yes	Yes - For Bluetooth calling	Yes	Yes
Voice Assistant	No	AI Voice Assistant (Siri/Google via Phone)	Not available	Yes (AI Voice Assistant)	AI Voice Assistant (Siri/Google)
Bluetooth Audio Output	No	Phone Calls Only	Not available - No music streaming	No	No
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
Quick Reply Options	Not Specified	No	Yes - Predefined quick reply messages only	No	Quick Reply (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
Find My Phone	Yes	Yes	Yes - Locate paired smartphone	Yes	Yes
Remote Camera Shutter	Yes	Yes	Yes - Remote camera trigger for photos	Yes	Yes
Security
Fingerprint Sensor	No	No	No	No	No
Face Unlock	No	No	No	No	No
NFC Payment Security	No	No	Not available	No	No
Find My Watch	Yes, via Noise Junior App	Yes (via App)	Not available	Yes (via App)	Yes (via App)
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Wireless Charging Dock	Proprietary magnetic pogo pins connector	Magnetic Pogo Pin	Magnetic Pogo Pin
Optional Docks / Stands	Not Specified	None	None mentioned	None	None
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
Software & Apps
App Store Availability	No proprietary watch app store	No	Cloud-based proprietary store via NoiseFit app	None	No
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
Companion App	Noise Junior App	Fire-Boltt App / Da Fit	NoiseFit App - Health tracking, notifications, watch face management	Boult Fit (GoBoult Fit)	NoiseFit App
OTA Updates	Supports over-the-air firmware updates	Yes	Yes - OTA firmware updates available	Yes	Yes
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