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

Specification	Noise Twist Go ₹1,399 Prices and availability may change on the seller's site View Price	Fire-Boltt Hunter 51.1mm ₹1,399 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	Noise Colorfit Icon 2 ₹1,499 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, USB Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card
Model Name	NoiseFit Twist Go	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	NoiseFit Twist	Colorfit Icon 2
Launch Date	31/10/2023	25/05/2023	12/01/2023	17/07/2022
Colors	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	Noise	FireBoltt	Noise	Noise
Display
Display Size	1.39, 3.53	2.01, 5.1	1.38, 3.5	1.8, 4.57
Resolution	240, 240 pixels	240, 296 pixels	240, 240 pixels	240, 280 pixels
Panel Type	TFT LCD	TFT LCD	TFT LCD with 246 PPI pixel density	LCD
Touch Type	Full Touch	Capacitive Full Touch Screen (Single Touch)	Multi-touch capacitive touchscreen	Capacitive Touchscreen
Always-on Display	No	No	No	No
Brightness	Up to 500 nits	450 nits	550 nits peak brightness	500 nits
Refresh Rate	60Hz	Standard refresh rate (not specified)	Standard 60Hz (typical for TFT)	Not specified
Color Gamut / HDR Support	Not Specified	Standard color gamut, no HDR support	Standard RGB color gamut	Not specified
Screen Protection	2.5D Glass	3D Curved Glass, Scratch Resistant	Not specified	Not specified
Body
Dimensions	Round Dial, approx. 46mm diameter (exact mm not specified)	51.3mm (Diameter) x 9.8mm (Thickness)	45.7 x 52.2 x 11.9 mm	44.5 x 36.5 x 11 mm
Weight	Approx. 40g - 45g	36.8 grams	27.6 grams	53.5 grams
Case Material	Metallic Finish (Zinc Alloy) with Polycarbonate back	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	PC+ABS plastic with metal unibody appearance	Zinc alloy and Polycarbonate
Front Protection	2.5D Curved Glass	3D Curved Glass (Scratch Resistant)	Not specified	Not specified
Strap / Bracelet Options	22mm Silicone, Metallic Link, or Mesh options	Silicone (Removable and Replaceable)	22mm silicone with quick-release mechanism	Silicone strap
Removable / Replaceable Strap	Yes	Yes	Yes	Yes
Water Resistance	IP67 Water Resistant	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP68 - Water resistant to 1.5m depth	IP67
Dust Resistance	IP67 Dust Resistant	IP67 rated	IP68 - Dust resistant	IP67
Durability Certifications	Not Specified	IP67 certification, Scratch resistant	IP68 certified	None mentioned
Primary Controls	Touch Screen, Functional Rotating Crown	Touchscreen + Single Physical Button	Touch screen with gesture controls and wake-up gesture	Touch Screen, 1x Side Button (Power/Wake)
Processor
Operating System	Noise OS (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Proprietary Real-Time Operating System (RTOS)	Proprietary OS
Chipset / SoC	Single-chip Tru Sync™ Technology	Single Chip Architecture (not detailed)	Not publicly disclosed	Not specified
CPU Cores & Clock Speed	Not Specified	Not specified	Not specified	Not specified
GPU	Not Specified	Not specified	Not specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	24/7 Heart Rate Monitor	Yes (HX3600 / HRS3600 Optical PPG Sensor)	Yes - 24/7 continuous optical PPG monitoring	Yes (Optical PPG sensor)
ECG	No	No ECG support	Not available	No
SpO₂ / Blood Oxygen	SpO2 Monitoring	Yes (Blood Oxygen Monitor)	Yes - Blood oxygen saturation monitoring	Yes
Skin Temperature Sensor	No	No Skin Temperature Sensor	Not available	No
Sleep Tracking	Sleep Monitor with Stages	Yes (Sleep Monitor)	Yes - Automatic sleep detection with stage analysis	Yes
Step Counter	Yes	Yes (Pedometer)	Yes - Pedometer with step tracking	Yes
GPS	No (Connected GPS)	Yes (Built-in GPS)	Not available - Bluetooth only	No (Connected GPS via smartphone)
Accelerometer	Yes	Yes (3-Axis Accelerometer)	Yes - Motion detection	Yes
Gyroscope	No	Gyroscope mentioned in some sources but not confirmed	Yes - Rotation sensing	Not specified
Barometer	No	Yes (Barometer sensor mentioned)	Not available	Not specified
Compass	No	Compass functionality not clearly specified	Not available	Not specified
Other Sensors	Stress Monitor, Breathe Practice, Female Cycle Tracker	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress monitor, Breathing exercise tracking
Connectivity
Wi-Fi	No	No Wi-Fi	Not available	No
Bluetooth	Bluetooth v5.3	Bluetooth v5.0	Bluetooth 5.3 with Tru Sync technology	5.1
NFC	No	No	No	No
Cellular Connectivity	No	Wi-Fi Only (via paired smartphone)	None - Bluetooth only	No
ANT+	No	No	No	No
Battery
Capacity	210 mAh	280-300 mAh (sources vary)	300 mAh lithium-ion	260 mAh
Fast Charging Support	No	No Fast Charging	Not available	No
Estimated Runtime	Up to 7 Days (Typical), 2 Days (Calling)	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	7 days typical use, 25 days standby, 2 days with heavy BT calling	4-7 days
Charging Method	Magnetic Charging	USB Magnetic Charging Points (Wired)	Proprietary magnetic pogo pins connector	Magnetic charging cable
Battery Saver Modes	Power Saving Mode	Yes (Battery Saver Mode available)	Brightness reduction, disable 24/7 HR monitoring, low power mode	Not specified
Memory & Storage
RAM	Not Specified	Not specified (watch operates on proprietary OS)	Not specified	Not specified
Internal Storage	Stores call logs and up to 10 contacts	Not specified	Limited (cloud-based watch faces only)	Not specified
Expandable Storage	No	Not applicable	Not available	No
Design & Comfort
Bezel Type	Fixed Metallic Bezel	Fixed Bezel (Non-rotating)	Fixed circular bezel with flat surface design	Fixed bezel
Buttons / Crown	2 (Side Button + Rotating Crown)	Single Physical Button	No physical buttons - Touch controls only	1x Side Button for power on/off and wake functions
Vibration Motor	Yes	Yes (Haptic Vibration Motor)	Yes - Linear haptic motor for haptic feedback	Yes
Screen Glass Type	2.5D Curved Glass	3D Curved Glass	Standard protective glass (not specified)	Not specified
Health & Safety Features
Fall Detection / SOS Calling	No	No Fall Detection or SOS Calling	Not available	No
Menstrual Cycle / Health Tracking	Female Cycle Tracker	Yes (Physiological Cycle Reminder)	Yes - Female health tracking with cycle prediction	Yes
Noise Monitoring	No	No Noise Monitoring	Not available	No
Guided Breathing / Mindfulness Features	Breathe Practice	Yes (Breathe Monitor, Relaxation App)	Yes - Breathe Practice guided breathing exercises	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes	Yes (Dedicated HD Speaker)	Yes - For Bluetooth calling	Yes
Microphone	Yes	Yes (Built-in Microphone for Bluetooth Calling)	Yes - For Bluetooth calling	Yes
Voice Assistant	AI Voice Assistant (Siri/Google)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Not available	Yes
Bluetooth Audio Output	No	Yes (Bluetooth Audio Output via connected phone)	Not available - No music streaming	No
Notifications & Controls
Notification Support	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview	Yes
Quick Reply Options	Quick Reply (Android Only)	Predefined Messages and Voice Reply	Yes - Predefined quick reply messages only	Predefined messages
Music Control / Playback	Remote Music Control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Yes - Remote phone music control (play/pause, volume, track skip)	Remote music control (Play/Pause, Volume, Track control)
Find My Phone	Yes	Yes (Find My Phone Feature)	Yes - Locate paired smartphone	Yes
Remote Camera Shutter	Yes	Yes (Remote Camera Control)	Yes - Remote camera trigger for photos	Yes
Security
Fingerprint Sensor	No	No	No	No
Face Unlock	No	No	No	No
NFC Payment Security	No	No NFC, No Payment Security	Not available	No
Find My Watch	Yes (via App)	Yes (Find My Watch Feature)	Not available	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic Pogo Pin	USB Magnetic Charging Points	Proprietary magnetic pogo pins connector	Magnetic charging pins
Optional Docks / Stands	None	Not specified	None mentioned	Not specified
Bundled Extras	Charging Cable, User Manual	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Magnetic charging cable, user manual, warranty card	Not Specified
Software & Apps
App Store Availability	No	Limited third-party app support (proprietary ecosystem)	Cloud-based proprietary store via NoiseFit app	No
Customization Options	100+ Cloud Watch Faces	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	100+ cloud-based watch faces with customization through NoiseFit app	100+ cloud-based watch faces
Companion App	NoiseFit App	Fire-Boltt Health App (Android & iOS)	NoiseFit App - Health tracking, notifications, watch face management	NoiseFit (for iOS) / NoiseFit Track (for Android)
OTA Updates	Yes	Yes (Over-the-Air Updates Available)	Yes - OTA firmware updates available	Yes
Pre-installed Apps	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock	120+ Sports Modes, Heart Rate Monitor, Sleep Tracker, SpO2 Monitor, Weather App, Alarm, Stopwatch, Timer, Calculator, Camera Control, Music Player, AI Voice Assistant, Menstrual Cycle Tracker, Google Fit Integration	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	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)