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

Specification	Fastrack Limitless Glide X ₹1,299 Prices and availability may change on the seller's site View Price	Noise Twist Go ₹1,299 Prices and availability may change on the seller's site View Price	Fire-Boltt Hunter 51.1mm ₹1,199 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	Fastrack Limitless Glide X Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Smartwatch, USB Charging Cable, User Manual, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card
Model Name	Fastrack Limitless Glide X	NoiseFit Twist Go	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	Colorfit Icon 2
Launch Date	27/07/2024	31/10/2023	25/05/2023	17/07/2022
Colors	Black, Blue, Red, Beige, Teal, Wine Red, Grey	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, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red
Brand	Fastrack	Noise	FireBoltt	Noise
Display
Display Size	1.83, 4.64	1.39, 3.53	2.01, 5.1	1.8, 4.57
Resolution	240, 286 pixels	240, 240 pixels	240, 296 pixels	240, 280 pixels
Panel Type	TFT LCD (UltraVU HD LCD technology)	TFT LCD	TFT LCD	LCD
Touch Type	Multi-touch capacitive touchscreen	Full Touch	Capacitive Full Touch Screen (Single Touch)	Capacitive Touchscreen
Always-on Display	Yes	No	No	No
Brightness	450 nits peak brightness	Up to 500 nits	450 nits	500 nits
Refresh Rate	Not specified	60Hz	Standard refresh rate (not specified)	Not specified
Color Gamut / HDR Support	Not specified	Not Specified	Standard color gamut, no HDR support	Not specified
Screen Protection	Panda Glass with anti-reflective coating	2.5D Glass	3D Curved Glass, Scratch Resistant	Not specified
Body
Dimensions	45.2 x 37.2 x 11.34 mm	Round Dial, approx. 46mm diameter (exact mm not specified)	51.3mm (Diameter) x 9.8mm (Thickness)	44.5 x 36.5 x 11 mm
Weight	40-48 grams	Approx. 40g - 45g	36.8 grams	53.5 grams
Case Material	Polycarbonate	Metallic Finish (Zinc Alloy) with Polycarbonate back	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	Zinc alloy and Polycarbonate
Front Protection	Panda Glass with anti-reflective properties	2.5D Curved Glass	3D Curved Glass (Scratch Resistant)	Not specified
Strap / Bracelet Options	Silicon silicone straps with hook buckle closure	22mm Silicone, Metallic Link, or Mesh options	Silicone (Removable and Replaceable)	Silicone strap
Removable / Replaceable Strap	Yes	Yes	Yes	Yes
Water Resistance	IP67	IP67 Water Resistant	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP67
Dust Resistance	Yes, dust-proof design	IP67 Dust Resistant	IP67 rated	IP67
Durability Certifications	Not specified	Not Specified	IP67 certification, Scratch resistant	None mentioned
Primary Controls	Touchscreen interface, single-press physical button, long-press for menu navigation	Touch Screen, Functional Rotating Crown	Touchscreen + Single Physical Button	Touch Screen, 1x Side Button (Power/Wake)
Processor
Operating System	Proprietary OS	Noise OS (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)	Proprietary OS
Chipset / SoC	Advanced proprietary ATS Chipset with optimized performance for zero lags and faster processing	Single-chip Tru Sync™ Technology	Single Chip Architecture (not detailed)	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	Yes, 24x7 continuous monitoring (Optical PPG sensor)	24/7 Heart Rate Monitor	Yes (HX3600 / HRS3600 Optical PPG Sensor)	Yes (Optical PPG sensor)
ECG	Not available	No	No ECG support	No
SpO₂ / Blood Oxygen	Yes, Spot-check monitoring	SpO2 Monitoring	Yes (Blood Oxygen Monitor)	Yes
Skin Temperature Sensor	Not available	No	No Skin Temperature Sensor	No
Sleep Tracking	Yes, with REM sleep tracking and automatic sleep detection	Sleep Monitor with Stages	Yes (Sleep Monitor)	Yes
Step Counter	Yes, with step counting accuracy	Yes	Yes (Pedometer)	Yes
GPS	Connected GPS only	No (Connected GPS)	Yes (Built-in GPS)	No (Connected GPS via smartphone)
Accelerometer	Yes	Yes	Yes (3-Axis Accelerometer)	Yes
Gyroscope	Not available	No	Gyroscope mentioned in some sources but not confirmed	Not specified
Barometer	Not available	No	Yes (Barometer sensor mentioned)	Not specified
Compass	Not Specified	No	Compass functionality not clearly specified	Not specified
Other Sensors	N/A	Stress Monitor, Breathe Practice, Female Cycle Tracker	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress monitor, Breathing exercise tracking
Connectivity
Wi-Fi	Not available	No	No Wi-Fi	No
Bluetooth	Bluetooth 5.3 with extended range up to 10 meters	Bluetooth v5.3	Bluetooth v5.0	5.1
NFC	No	No	No	No
Cellular Connectivity	Smartphone-dependent (Wi-Fi only through paired device)	No	Wi-Fi Only (via paired smartphone)	No
ANT+	Not Specified	No	No	No
Battery
Capacity	280 mAh Lithium Polymer	210 mAh	280-300 mAh (sources vary)	260 mAh
Fast Charging Support	Yes	No	No Fast Charging	No
Estimated Runtime	Up to 5 days	Up to 7 Days (Typical), 2 Days (Calling)	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	4-7 days
Charging Method	Magnetic charging pins	Magnetic Charging	USB Magnetic Charging Points (Wired)	Magnetic charging cable
Battery Saver Modes	N/A	Power Saving Mode	Yes (Battery Saver Mode available)	Not specified
Memory & Storage
RAM	16 MB	Not Specified	Not specified (watch operates on proprietary OS)	Not specified
Internal Storage	16 MB	Stores call logs and up to 10 contacts	Not specified	Not specified
Expandable Storage	Not expandable	No	Not applicable	No
Design & Comfort
Bezel Type	Fixed bezel	Fixed Metallic Bezel	Fixed Bezel (Non-rotating)	Fixed bezel
Buttons / Crown	Single physical button on the right side	2 (Side Button + Rotating Crown)	Single Physical Button	1x Side Button for power on/off and wake functions
Vibration Motor	Yes, with haptic feedback and vibration intensity settings	Yes	Yes (Haptic Vibration Motor)	Yes
Screen Glass Type	Panda Glass	2.5D Curved Glass	3D Curved Glass	Not specified
Health & Safety Features
Fall Detection / SOS Calling	Not available	No	No Fall Detection or SOS Calling	No
Menstrual Cycle / Health Tracking	Not available	Female Cycle Tracker	Yes (Physiological Cycle Reminder)	Yes
Noise Monitoring	Not available	No	No Noise Monitoring	No
Guided Breathing / Mindfulness Features	Breathing exercise app available within Fastrack Reflex World App	Breathe Practice	Yes (Breathe Monitor, Relaxation App)	Yes (Breathing exercises, Stress measurement)
Audio & Voice
Built-in Speaker	Yes, with microphone for hands-free calling	Yes	Yes (Dedicated HD Speaker)	Yes
Microphone	Yes, dual microphone setup for clear voice communication	Yes	Yes (Built-in Microphone for Bluetooth Calling)	Yes
Voice Assistant	AI Voice Assistant available via Fastrack Reflex World companion app	AI Voice Assistant (Siri/Google)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Yes
Bluetooth Audio Output	Yes, Bluetooth audio output for calls and music playback	No	Yes (Bluetooth Audio Output via connected phone)	No
Notifications & Controls
Notification Support	Call alerts, SMS notifications, App notifications, Social media alerts	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes
Quick Reply Options	Predefined quick reply templates available	Quick Reply (Android Only)	Predefined Messages and Voice Reply	Predefined messages
Music Control / Playback	Yes - Play/Pause, Volume Control, Music player app integration	Remote Music Control	Yes (Play/Pause, Volume Control, Next/Previous Track)	Remote music control (Play/Pause, Volume, Track control)
Find My Phone	Yes, Find My Phone feature available	Yes	Yes (Find My Phone Feature)	Yes
Remote Camera Shutter	Yes, remote camera shutter control via smartwatch	Yes	Yes (Remote Camera Control)	Yes
Security
Fingerprint Sensor	No	No	No	No
Face Unlock	No	No	No	No
NFC Payment Security	Not available	No	No NFC, No Payment Security	No
Find My Watch	Not available	Yes (via App)	Yes (Find My Watch Feature)	Yes (via NoiseFit companion app)
Ports & Accessories
Charging Connector Type	Magnetic pins	Magnetic Pogo Pin	USB Magnetic Charging Points	Magnetic charging pins
Optional Docks / Stands	None specified	None	Not specified	Not specified
Bundled Extras	Extra silicon strap color variants; magnetic charging cable	Charging Cable, User Manual	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Not Specified
Software & Apps
App Store Availability	N/A	No	Limited third-party app support (proprietary ecosystem)	No
Customization Options	100+ customizable watch faces, theme personalization, layout options	100+ Cloud Watch Faces	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	100+ cloud-based watch faces
Companion App	Fastrack Reflex World App	NoiseFit App	Fire-Boltt Health App (Android & iOS)	NoiseFit (for iOS) / NoiseFit Track (for Android)
OTA Updates	Yes	Yes	Yes (Over-the-Air Updates Available)	Yes
Pre-installed Apps	N/A	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	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)