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 Go ₹1,599 Prices and availability may change on the seller's site View Price	Noise ColorFit Pulse 4 Max ₹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
Model Name	Noise Junior Champ 3	Fire-Boltt Axiom	NoiseFit Twist Go	ColorFit Pulse 4 Max / NSW-421
Launch Date	30/09/2025	15/09/2025	31/10/2023	18/07/2024
Colors	Black Blaze, Astro Orbit, Cotton Cloud, Arctic Storm	Black, Silver, Orange, Gold	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Jet Black, Deep Wine, Rose Gold, Space Blue, Black Link, Calm Silver Link, Silver Link
Brand	Noise	FireBoltt	Noise	Noise
Display
Display Size	1.4, 3.55	1.43, 3.63	1.39, 3.53	1.96, 4.98
Resolution	240, 240 pixels	466, 466 pixels	240, 240 pixels	410, 502 pixels
Panel Type	IPS LCD	AMOLED	TFT LCD	AMOLED with 190 ppi
Touch Type	Capacitive Touchscreen	Full Capacitive Touch	Full Touch	Capacitive multi-touch
Always-on Display	No	Yes	No	Yes
Brightness	5-level adjustable brightness	1000 nits (Peak)	Up to 500 nits	500-600 nits (estimated based on comparable models)
Refresh Rate	Not Specified	60Hz	60Hz	Standard AMOLED refresh rate
Color Gamut / HDR Support	Not Specified	Not Specified	Not Specified	Full color AMOLED display
Screen Protection	Not Specified	Flat Curved Glass	2.5D Glass	Curved tempered glass with anti-fingerprint coating
Body
Dimensions	44 x 40 x 13 mm	Standard 46mm dial size	Round Dial, approx. 46mm diameter (exact mm not specified)	46.9 mm dial size
Weight	31 grams	60 g	Approx. 40g - 45g	39 grams
Case Material	Acrylonitrile Butadiene Styrene (ABS) plastic	Stainless Steel / Metal Alloy	Metallic Finish (Zinc Alloy) with Polycarbonate back	Metal with metallic finish
Front Protection	Not Specified	Curved Glass	2.5D Curved Glass	Curved tempered glass with anti-fingerprint coating
Strap / Bracelet Options	Hypoallergenic silicone strap	Silicone, Stainless Steel (variant dependent)	22mm Silicone, Metallic Link, or Mesh options	22mm silicone standard; metal mesh/chain and leather straps available separately
Removable / Replaceable Strap	Not Specified	Yes	Yes	Yes
Water Resistance	1 ATM (Up to 10m depth splash resistance)	IP68 Water Resistant	IP67 Water Resistant	IP68 - Up to 1.5m depth
Dust Resistance	Not Specified	IP68 Dust Resistant	IP67 Dust Resistant	IP68 certified
Durability Certifications	IP Certified	Not Specified	Not Specified	IP68 water and dust resistance certification
Primary Controls	Touch screen and single physical side button	Rotating Crown, Touch Screen, Push Button	Touch Screen, Functional Rotating Crown	Functional rotating crown, side push button, touch screen
Processor
Operating System	Proprietary Kids Smartwatch OS	Proprietary RTOS	Noise OS (RTOS)	Proprietary Noise OS (compatible with iOS 11.0+ and Android 9.0+)
Chipset / SoC	Not Specified	Single Core Digital Chipset	Single-chip Tru Sync™ Technology	Not Specified
CPU Cores & Clock Speed	Not Specified	Single Core	Not Specified	Not specified
GPU	—	Integrated	Not Specified	Not Specified
Health & Fitness Sensors
Heart Rate Monitor	Optical heart rate sensor	Optical PPG Sensor	24/7 Heart Rate Monitor	Yes - Optical PPG sensor with continuous and manual detection
ECG	Not Supported	No	No	No ECG support
SpO₂ / Blood Oxygen	SpO2 Blood Oxygen sensor	Yes	SpO2 Monitoring	Yes - Optical SpO2 sensor
Skin Temperature Sensor	Not Supported	No	No	Not available
Sleep Tracking	Monitors sleep duration and quality	Yes (Light, Deep, REM)	Sleep Monitor with Stages	Yes - Detailed sleep stages (Light, Deep, REM)
Step Counter	Built-in pedometer	Yes	Yes	Yes - Built-in pedometer
GPS	No built-in GPS tracking	No (Connected GPS only)	No (Connected GPS)	No built-in GPS - Connected GPS only via smartphone
Accelerometer	3-axis accelerometer	Yes	Yes	Yes
Gyroscope	Not Specified	Not Specified	No	Yes
Barometer	Not Supported	No	No	No
Compass	Not Supported	No	No	No
Other Sensors	Step counter, Calorie tracker, Distance tracker	Sedentary Reminder, Hydration Reminder	Stress Monitor, Breathe Practice, Female Cycle Tracker	Calorie burn estimation, activity history, stress measurement, menstrual cycle tracking, VO2 Max
Connectivity
Wi-Fi	Not Supported	No	No	No Wi-Fi support
Bluetooth	Bluetooth v5.3	Bluetooth 5.0	Bluetooth v5.3	Bluetooth 5.3
NFC	No	No	No	No
Cellular Connectivity	No Cellular/SIM support	No	No	Wi-Fi Only (via smartphone)
ANT+	No	No	No	No
Battery
Capacity	270 mAh	300 mAh	210 mAh	300 mAh
Fast Charging Support	Not Specified	No	No	No fast charging support
Estimated Runtime	Up to 3 to 5 days on typical use	Up to 7 Days (Typical)	Up to 7 Days (Typical), 2 Days (Calling)	Up to 7 days typical use, 30 days standby
Charging Method	Magnetic Pogo Pin	Wireless Magnetic Dock	Magnetic Charging	Magnetic 2-pin connector
Battery Saver Modes	Scheduled Power Off	Power Saver Mode	Power Saving Mode	Yes - Screen brightness reduction and selective heart rate monitoring
Memory & Storage
RAM	Not Specified	System RAM only	Not Specified	Not specified
Internal Storage	Not Specified	No user accessible storage	Stores call logs and up to 10 contacts	Not specified
Expandable Storage	No	No	No	No expandable storage
Design & Comfort
Bezel Type	Fixed bezel with switchable poppy bumpers	Fixed with Rotating Crown	Fixed Metallic Bezel	Fixed bezel with metallic finish
Buttons / Crown	Single physical side button	1 Rotating Crown, 1 Push Button	2 (Side Button + Rotating Crown)	Functional mechanical crown + side push button
Vibration Motor	Built-in vibration for alerts	Yes	Yes	Yes - Haptic feedback vibration alerts
Screen Glass Type	Not Specified	Glass	2.5D Curved Glass	Curved tempered glass
Health & Safety Features
Fall Detection / SOS Calling	On-device SOS button and manual emergency contact storage	No	No	Yes - SOS technology with emergency calling
Menstrual Cycle / Health Tracking	Not Supported	Yes (Female Health Tracking)	Female Cycle Tracker	Yes - Female health cycle tracker
Noise Monitoring	No	No	No	No
Guided Breathing / Mindfulness Features	Not Specified	Breathing Exercises	Breathe Practice	Yes - Guided breathing practice feature
Audio & Voice
Built-in Speaker	Built-in speaker for alerts and learning audio	Yes	Yes	Yes
Microphone	Built-in microphone for voice notes	Yes	Yes	Yes - Dual microphone setup
Voice Assistant	No	AI Voice Assistant (Siri/Google via Phone)	AI Voice Assistant (Siri/Google)	Yes - AI Voice Assistant with AI Search feature
Bluetooth Audio Output	No	Phone Calls Only	No	Yes - Bluetooth audio output for music control
Notifications & Controls
Notification Support	Call alerts, SMS/text alerts, and App notifications	Call, SMS, WhatsApp, Social Media	Call, SMS, Social Media, Email	Call alerts, SMS/messaging alerts, social media app notifications
Quick Reply Options	Not Specified	No	Quick Reply (Android Only)	Call rejection available (no voice/text reply)
Music Control / Playback	Remote music control for paired smartphone	Music Control (Remote)	Remote Music Control	Yes - Play/Pause, Next/Previous Track, Volume Control
Find My Phone	Yes	Yes	Yes	Yes - Find My Phone feature
Remote Camera Shutter	Yes	Yes	Yes	Yes - Remote camera control from watch
Security
Fingerprint Sensor	No	No	No	No
Face Unlock	No	No	No	No
NFC Payment Security	No	No	No	No NFC support - no contactless payments
Find My Watch	Yes, via Noise Junior App	Yes (via App)	Yes (via App)	Not confirmed in specifications
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	Wireless Charging Dock	Magnetic Pogo Pin	Magnetic 2-pin proprietary connector
Optional Docks / Stands	Not Specified	None	None	Magnetic charging dock available separately
Bundled Extras	1 Smartwatch, 1 Magnetic Charger, 2 Extra Switchable Bumpers, User Manual, Warranty Card	Charging Cable, Manual	Charging Cable, User Manual	User manual, warranty card, charging cable
Software & Apps
App Store Availability	No proprietary watch app store	No	No	NoiseFit App on Google Play Store and Apple App Store
Customization Options	100+ Cloud-based watch faces; 3-in-1 look via switchable bumpers	100+ Cloud Watch Faces	100+ Cloud Watch Faces	100+ cloud-based watch faces + AI Create feature for unlimited AI-powered custom watch face generation
Companion App	Noise Junior App	Fire-Boltt App / Da Fit	NoiseFit App	NoiseFit App (iOS 11.0+ / Android 9.0+)
OTA Updates	Supports over-the-air firmware updates	Yes	Yes	Yes - OTA updates supported
Pre-installed Apps	Learning Hub (Games, EduCards, Quizzes), Habit Builder, Smart Scheduler, Alarm, Timer, Stopwatch, Weather	Alarm, Stopwatch, Timer, Weather, Calculator, Games	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	NoiseFit Health Suite, AI voice assistant, activity tracking, weather app, calculator, stopwatch, timer, alarm, reminder, music control