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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	Fire-Boltt Hunter 51.1mm ₹1,199 Prices and availability may change on the seller's site View Price	Fastrack Limitless FS2+ ₹1,599 Prices and availability may change on the seller's site View Price	Noise Colorfit Icon 2 ₹1,199 Prices and availability may change on the seller's site View Price	Noise Twist Round dial ₹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, USB Charging Cable, User Manual, Warranty Card	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	1x Smartwatch, 1x Magnetic Charging Cable, 1x User Manual, 1x Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	Fastrack Limitless Glide X	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body	Fastrack Limitless FS2+	Colorfit Icon 2	NoiseFit Twist
Launch Date	27/07/2024	25/05/2023	10/07/2024	17/07/2022	12/01/2023
Colors	Black, Blue, Red, Beige, Teal, Wine Red, Grey	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Deep Wine, Rose Pink, Midnight Gold, Midnight Blue, Forest Green, Cherry Red	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue
Brand	Fastrack	FireBoltt	Fastrack	Noise	Noise
Display
Display Size	1.83, 4.64	2.01, 5.1	2.01, 5.1	1.8, 4.57	1.38, 3.5
Resolution	240, 286 pixels	240, 296 pixels	320, 320 pixels	240, 280 pixels	240, 240 pixels
Panel Type	TFT LCD (UltraVU HD LCD technology)	TFT LCD	TFT LCD UltraVU Display	LCD	TFT LCD with 246 PPI pixel density
Touch Type	Multi-touch capacitive touchscreen	Capacitive Full Touch Screen (Single Touch)	Capacitive Touchscreen	Capacitive Touchscreen	Multi-touch capacitive touchscreen
Always-on Display	Yes	No	No	No	No
Brightness	450 nits peak brightness	450 nits	Not specified	500 nits	550 nits peak brightness
Refresh Rate	Not specified	Standard refresh rate (not specified)	Not specified	Not specified	Standard 60Hz (typical for TFT)
Color Gamut / HDR Support	Not specified	Standard color gamut, no HDR support	Standard color gamut, no HDR support	Not specified	Standard RGB color gamut
Screen Protection	Panda Glass with anti-reflective coating	3D Curved Glass, Scratch Resistant	Not specified	Not specified	Not specified
Body
Dimensions	45.2 x 37.2 x 11.34 mm	51.3mm (Diameter) x 9.8mm (Thickness)	Not Specified	44.5 x 36.5 x 11 mm	45.7 x 52.2 x 11.9 mm
Weight	40-48 grams	36.8 grams	48 grams	53.5 grams	27.6 grams
Case Material	Polycarbonate	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)	Polycarbonate	Zinc alloy and Polycarbonate	PC+ABS plastic with metal unibody appearance
Front Protection	Panda Glass with anti-reflective properties	3D Curved Glass (Scratch Resistant)	Not specified	Not specified	Not specified
Strap / Bracelet Options	Silicon silicone straps with hook buckle closure	Silicone (Removable and Replaceable)	Silicone	Silicone strap	22mm silicone with quick-release mechanism
Removable / Replaceable Strap	Yes	Yes	No	Yes	Yes
Water Resistance	IP67	IP67 - Can withstand submersion up to 1 meter for 30 minutes	IP68 (1.5m water resistance)	IP67	IP68 - Water resistant to 1.5m depth
Dust Resistance	Yes, dust-proof design	IP67 rated	Yes, dust proof (IP68 certified)	IP67	IP68 - Dust resistant
Durability Certifications	Not specified	IP67 certification, Scratch resistant	IP68 certified	None mentioned	IP68 certified
Primary Controls	Touchscreen interface, single-press physical button, long-press for menu navigation	Touchscreen + Single Physical Button	Functional Crown (touch-sensitive), Touchscreen	Touch Screen, 1x Side Button (Power/Wake)	Touch screen with gesture controls and wake-up gesture
Processor
Operating System	Proprietary OS	Proprietary OS (Compatible with Android v5.0+ and iOS)	Android, iOS compatible	Proprietary OS	Proprietary Real-Time Operating System (RTOS)
Chipset / SoC	Advanced proprietary ATS Chipset with optimized performance for zero lags and faster processing	Single Chip Architecture (not detailed)	Not Specified	Not specified	Not publicly disclosed
CPU Cores & Clock Speed	Not Specified	Not specified	Not Specified	Not specified	Not specified
GPU	Not Specified	Not specified	Not specified	Not specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	Yes, 24x7 continuous monitoring (Optical PPG sensor)	Yes (HX3600 / HRS3600 Optical PPG Sensor)	24x7 Heart Rate Monitoring	Yes (Optical PPG sensor)	Yes - 24/7 continuous optical PPG monitoring
ECG	Not available	No ECG support	No ECG support	No	Not available
SpO₂ / Blood Oxygen	Yes, Spot-check monitoring	Yes (Blood Oxygen Monitor)	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes	Yes - Blood oxygen saturation monitoring
Skin Temperature Sensor	Not available	No Skin Temperature Sensor	Not mentioned	No	Not available
Sleep Tracking	Yes, with REM sleep tracking and automatic sleep detection	Yes (Sleep Monitor)	Sleep Tracker with sleep quality analysis	Yes	Yes - Automatic sleep detection with stage analysis
Step Counter	Yes, with step counting accuracy	Yes (Pedometer)	Pedometer / Step Counter	Yes	Yes - Pedometer with step tracking
GPS	Connected GPS only	Yes (Built-in GPS)	Connected GPS (via smartphone only)	No (Connected GPS via smartphone)	Not available - Bluetooth only
Accelerometer	Yes	Yes (3-Axis Accelerometer)	Yes, Accelerometer sensor	Yes	Yes - Motion detection
Gyroscope	Not available	Gyroscope mentioned in some sources but not confirmed	Not specified	Not specified	Yes - Rotation sensing
Barometer	Not available	Yes (Barometer sensor mentioned)	Not specified	Not specified	Not available
Compass	Not Specified	Compass functionality not clearly specified	Not specified	Not specified	Not available
Other Sensors	N/A	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, Breathing exercise tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker
Connectivity
Wi-Fi	Not available	No Wi-Fi	No Wi-Fi support	No	Not available
Bluetooth	Bluetooth 5.3 with extended range up to 10 meters	Bluetooth v5.0	Bluetooth 5.3	5.1	Bluetooth 5.3 with Tru Sync technology
NFC	No	No	No	No	No
Cellular Connectivity	Smartphone-dependent (Wi-Fi only through paired device)	Wi-Fi Only (via paired smartphone)	Bluetooth calling only (SingleSync), no standalone cellular	No	None - Bluetooth only
ANT+	Not Specified	No	Not Specified	No	No
Battery
Capacity	280 mAh Lithium Polymer	280-300 mAh (sources vary)	280 mAh Lithium Polymer	260 mAh	300 mAh lithium-ion
Fast Charging Support	Yes	No Fast Charging	Yes - NitroFast Charging (10 min for 1 day use)	No	Not available
Estimated Runtime	Up to 5 days	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)	Up to 7 days typical use, 10+ days standby	4-7 days	7 days typical use, 25 days standby, 2 days with heavy BT calling
Charging Method	Magnetic charging pins	USB Magnetic Charging Points (Wired)	Magnetic charging connector	Magnetic charging cable	Proprietary magnetic pogo pins connector
Battery Saver Modes	N/A	Yes (Battery Saver Mode available)	Not mentioned	Not specified	Brightness reduction, disable 24/7 HR monitoring, low power mode
Memory & Storage
RAM	16 MB	Not specified (watch operates on proprietary OS)	Not officially specified	Not specified	Not specified
Internal Storage	16 MB	Not specified	Not officially specified	Not specified	Limited (cloud-based watch faces only)
Expandable Storage	Not expandable	Not applicable	Not applicable	No	Not available
Design & Comfort
Bezel Type	Fixed bezel	Fixed Bezel (Non-rotating)	Fixed, minimal bezel	Fixed bezel	Fixed circular bezel with flat surface design
Buttons / Crown	Single physical button on the right side	Single Physical Button	Functional Crown (touch and pressure sensitive)	1x Side Button for power on/off and wake functions	No physical buttons - Touch controls only
Vibration Motor	Yes, with haptic feedback and vibration intensity settings	Yes (Haptic Vibration Motor)	Yes, haptic feedback vibration motor	Yes	Yes - Linear haptic motor for haptic feedback
Screen Glass Type	Panda Glass	3D Curved Glass	Not specified	Not specified	Standard protective glass (not specified)
Health & Safety Features
Fall Detection / SOS Calling	Not available	No Fall Detection or SOS Calling	Emergency SOS capability available	No	Not available
Menstrual Cycle / Health Tracking	Not available	Yes (Physiological Cycle Reminder)	Women's Health Tracking with menstrual cycle tracking	Yes	Yes - Female health tracking with cycle prediction
Noise Monitoring	Not available	No Noise Monitoring	Not mentioned	No	Not available
Guided Breathing / Mindfulness Features	Breathing exercise app available within Fastrack Reflex World App	Yes (Breathe Monitor, Relaxation App)	Breathe Exercise feature	Yes (Breathing exercises, Stress measurement)	Yes - Breathe Practice guided breathing exercises
Audio & Voice
Built-in Speaker	Yes, with microphone for hands-free calling	Yes (Dedicated HD Speaker)	Yes, built-in speaker	Yes	Yes - For Bluetooth calling
Microphone	Yes, dual microphone setup for clear voice communication	Yes (Built-in Microphone for Bluetooth Calling)	Yes, high-quality microphone	Yes	Yes - For Bluetooth calling
Voice Assistant	AI Voice Assistant available via Fastrack Reflex World companion app	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)	Yes, AI Voice Assistant (compatible with Alexa)	Yes	Not available
Bluetooth Audio Output	Yes, Bluetooth audio output for calls and music playback	Yes (Bluetooth Audio Output via connected phone)	Yes, via Bluetooth headphones	No	Not available - No music streaming
Notifications & Controls
Notification Support	Call alerts, SMS notifications, App notifications, Social media alerts	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes	Yes - Call alerts, SMS alerts, app notifications with preview
Quick Reply Options	Predefined quick reply templates available	Predefined Messages and Voice Reply	Predefined Quick Replies (Android only)	Predefined messages	Yes - Predefined quick reply messages only
Music Control / Playback	Yes - Play/Pause, Volume Control, Music player app integration	Yes (Play/Pause, Volume Control, Next/Previous Track)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Remote music control (Play/Pause, Volume, Track control)	Yes - Remote phone music control (play/pause, volume, track skip)
Find My Phone	Yes, Find My Phone feature available	Yes (Find My Phone Feature)	Yes, Find My Phone feature	Yes	Yes - Locate paired smartphone
Remote Camera Shutter	Yes, remote camera shutter control via smartwatch	Yes (Remote Camera Control)	Yes, Camera Control feature	Yes	Yes - Remote camera trigger for photos
Security
Fingerprint Sensor	No	No	Not Specified	No	No
Face Unlock	No	No	Not Specified	No	No
NFC Payment Security	Not available	No NFC, No Payment Security	No NFC support	No	Not available
Find My Watch	Not available	Yes (Find My Watch Feature)	Not explicitly mentioned	Yes (via NoiseFit companion app)	Not available
Ports & Accessories
Charging Connector Type	Magnetic pins	USB Magnetic Charging Points	Magnetic charging connector (proprietary)	Magnetic charging pins	Proprietary magnetic pogo pins connector
Optional Docks / Stands	None specified	Not specified	None mentioned	Not specified	None mentioned
Bundled Extras	Extra silicon strap color variants; magnetic charging cable	Smartwatch, USB Charging Cable, User Manual, Warranty Card	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Not Specified	Magnetic charging cable, user manual, warranty card
Software & Apps
App Store Availability	N/A	Limited third-party app support (proprietary ecosystem)	Fastrack Smart World App (Google Play compatible)	No	Cloud-based proprietary store via NoiseFit app
Customization Options	100+ customizable watch faces, theme personalization, layout options	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	100+ cloud-based watch faces	100+ cloud-based watch faces with customization through NoiseFit app
Companion App	Fastrack Reflex World App	Fire-Boltt Health App (Android & iOS)	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit (for iOS) / NoiseFit Track (for Android)	NoiseFit App - Health tracking, notifications, watch face management
OTA Updates	Yes	Yes (Over-the-Air Updates Available)	Yes, over-the-air updates available	Yes	Yes - OTA firmware updates available
Pre-installed Apps	N/A	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	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	60 sports modes, In-built games, Productivity Suite (Timer, Stopwatch, Alarm, Weather, Calendar)	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