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	Boult Crown R Pro ₹2,399 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
Model Name	Noise Junior Champ 3	Fire-Boltt Axiom	Crown R Pro
Launch Date	30/09/2025	15/09/2025	18/06/2023
Colors	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Black, Silver, Orange, Gold	Frozen Silver, Thunder Black, Volcanic Orange
Brand	Noise	FireBoltt	GoBoult
Display
Display Size	1.4, 3.55	1.43, 3.63	1.43, 3.63
Resolution	240, 240 pixels	466, 466 pixels	466, 466 pixels
Panel Type	IPS LCD	AMOLED	Super AMOLED
Touch Type	Capacitive Touchscreen	Full Capacitive Touch	Full Touch
Always-on Display	No	Yes	Yes
Brightness	5-level adjustable brightness	1000 nits (Peak)	600 nits
Refresh Rate	Not Specified	60Hz	60 Hz
Color Gamut / HDR Support	Not Specified	Not Specified	Not Specified
Screen Protection	Not Specified	Flat Curved Glass	2.5D Curved Glass
Body
Dimensions	44 x 40 x 13 mm	Standard 46mm dial size	46 x 46 x 11 mm (Approx)
Weight	31 grams	60 g	56.5 g
Case Material	Acrylonitrile Butadiene Styrene (ABS) plastic	Stainless Steel / Metal Alloy	Zinc Alloy Frame
Front Protection	Not Specified	Curved Glass	Glass
Strap / Bracelet Options	Hypoallergenic silicone strap	Silicone, Stainless Steel (variant dependent)	Silicone, Metallic (variant dependent)
Removable / Replaceable Strap	Not Specified	Yes	Yes
Water Resistance	1 ATM (Up to 10m depth splash resistance)	IP68 Water Resistant	IP67 Water Resistant
Dust Resistance	Not Specified	IP68 Dust Resistant	IP67 Dust Resistant
Durability Certifications	IP Certified	Not Specified	None
Primary Controls	Touch screen and single physical side button	Rotating Crown, Touch Screen, Push Button	Touch Screen, Functional Crown, Push Button
Processor
Operating System	Proprietary Kids Smartwatch OS	Proprietary RTOS	Boult OS (RTOS)
Chipset / SoC	Not Specified	Single Core Digital Chipset	Single-chip 2-in-1 Bluetooth SoC
CPU Cores & Clock Speed	Not Specified	Single Core	Not Specified
GPU	—	Integrated	Not Specified
Health & Fitness Sensors
Heart Rate Monitor	Optical heart rate sensor	Optical PPG Sensor	24/7 Heart Rate Monitor
ECG	Not Supported	No	No
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen sensor	Yes	SpO2 Sensor
Skin Temperature Sensor	Not Supported	No	No
Sleep Tracking	Monitors sleep duration and quality	Yes (Light, Deep, REM)	Sleep Monitor (Light, Deep, REM)
Step Counter	Built-in pedometer	Yes	Yes
GPS	No built-in GPS tracking	No (Connected GPS only)	Connected GPS
Accelerometer	3-axis accelerometer	Yes	Yes
Gyroscope	Not Specified	Not Specified	Not Specified
Barometer	Not Supported	No	No
Compass	Not Supported	No	No
Other Sensors	Step counter, Calorie tracker, Distance tracker	Sedentary Reminder, Hydration Reminder	Blood Pressure (Simulated), Menstrual Cycle Tracker, Breath Training
Connectivity
Wi-Fi	Not Supported	No	No
Bluetooth	Bluetooth v5.3	Bluetooth 5.0	Bluetooth 5.2
NFC	No	No	No
Cellular Connectivity	No Cellular/SIM support	No	No
ANT+	No	No	No
Battery
Capacity	270 mAh	300 mAh	Not Specified (Approx 250-300mAh)
Fast Charging Support	Not Specified	No	No
Estimated Runtime	Up to 3 to 5 days on typical use	Up to 7 Days (Typical)	Up to 5 Days (Typical)
Charging Method	Magnetic Pogo Pin	Wireless Magnetic Dock	Magnetic Charging
Battery Saver Modes	Scheduled Power Off	Power Saver Mode	Yes
Memory & Storage
RAM	Not Specified	System RAM only	Not Specified
Internal Storage	Not Specified	No user accessible storage	Not Specified
Expandable Storage	No	No	No
Design & Comfort
Bezel Type	Fixed bezel with switchable poppy bumpers	Fixed with Rotating Crown	Fixed
Buttons / Crown	Single physical side button	1 Rotating Crown, 1 Push Button	Rotating Crown + 1 Button
Vibration Motor	Built-in vibration for alerts	Yes	Yes
Screen Glass Type	Not Specified	Glass	2.5D Glass
Health & Safety Features
Fall Detection / SOS Calling	On-device SOS button and manual emergency contact storage	No	No
Menstrual Cycle / Health Tracking	Not Supported	Yes (Female Health Tracking)	Female Health Tracker
Noise Monitoring	No	No	No
Guided Breathing / Mindfulness Features	Not Specified	Breathing Exercises	Breath Training
Audio & Voice
Built-in Speaker	Built-in speaker for alerts and learning audio	Yes	Yes
Microphone	Built-in microphone for voice notes	Yes	Yes
Voice Assistant	No	AI Voice Assistant (Siri/Google via Phone)	Yes (AI Voice Assistant)
Bluetooth Audio Output	No	Phone Calls Only	No
Notifications & Controls
Notification Support	Call alerts, SMS/text alerts, and App notifications	Call, SMS, WhatsApp, Social Media	Call, SMS, App Notifications
Quick Reply Options	Not Specified	No	No
Music Control / Playback	Remote music control for paired smartphone	Music Control (Remote)	Music Control (Phone)
Find My Phone	Yes	Yes	Yes
Remote Camera Shutter	Yes	Yes	Yes
Security
Fingerprint Sensor	No	No	No
Face Unlock	No	No	No
NFC Payment Security	No	No	No
Find My Watch	Yes, via Noise Junior App	Yes (via App)	Yes (via App)
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Wireless Charging Dock	Magnetic Pogo Pin
Optional Docks / Stands	Not Specified	None	None
Bundled Extras	1 Smartwatch, 1 Magnetic Charger, 2 Extra Switchable Bumpers, User Manual, Warranty Card	Charging Cable, Manual	Charging Cable, User Manual
Software & Apps
App Store Availability	No proprietary watch app store	No	None
Customization Options	100+ Cloud-based watch faces; 3-in-1 look via switchable bumpers	100+ Cloud Watch Faces	150+ Watch Faces, Menu Styles
Companion App	Noise Junior App	Fire-Boltt App / Da Fit	Boult Fit (GoBoult Fit)
OTA Updates	Supports over-the-air firmware updates	Yes	Yes
Pre-installed Apps	Learning Hub (Games, EduCards, Quizzes), Habit Builder, Smart Scheduler, Alarm, Timer, Stopwatch, Weather	Alarm, Stopwatch, Timer, Weather, Calculator, Games	Alarm, Stopwatch, Weather, Calculator, Games