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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	boAt Lunar Discovery ₹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 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
General
In The Box	Fastrack Limitless Glide X Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	1 Smartwatch, 1 USB Magnetic Charging Cable, 1 User Manual, 1 Warranty Card	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
Model Name	Fastrack Limitless Glide X	Lunar Discovery	Fastrack Limitless FS2+	NoiseFit Twist Go	Fire-Boltt Hunter 51.1mm (2.01) HD Display Bluetooth Calling Single Chipset, Metal Body
Launch Date	27/07/2024	25/10/2024	10/07/2024	31/10/2023	25/05/2023
Colors	Black, Blue, Red, Beige, Teal, Wine Red, Grey	Active Black, Brown, Active Blue, Cherry Blossom, Mint Green, Metal Black	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine	Black, Dark Blue, Light Grey, White, Blue, Silver, Mist Grey
Brand	Fastrack	BoAt	Fastrack	Noise	FireBoltt
Display
Display Size	1.83, 4.64	1.39, 3.53	2.01, 5.1	1.39, 3.53	2.01, 5.1
Resolution	240, 286 pixels	240, 240 pixels	320, 320 pixels	240, 240 pixels	240, 296 pixels
Panel Type	TFT LCD (UltraVU HD LCD technology)	TFT LCD (HD Display)	TFT LCD UltraVU Display	TFT LCD	TFT LCD
Touch Type	Multi-touch capacitive touchscreen	MultiTouch	Capacitive Touchscreen	Full Touch	Capacitive Full Touch Screen (Single Touch)
Always-on Display	Yes	Not Specified	No	No	No
Brightness	450 nits peak brightness	Not specified	Not specified	Up to 500 nits	450 nits
Refresh Rate	Not specified	Not specified	Not specified	60Hz	Standard refresh rate (not specified)
Color Gamut / HDR Support	Not specified	Not specified	Standard color gamut, no HDR support	Not Specified	Standard color gamut, no HDR support
Screen Protection	Panda Glass with anti-reflective coating	Not specified	Not specified	2.5D Glass	3D Curved Glass, Scratch Resistant
Body
Dimensions	45.2 x 37.2 x 11.34 mm	44.0 x 45.9 x 12.3 mm	Not Specified	Round Dial, approx. 46mm diameter (exact mm not specified)	51.3mm (Diameter) x 9.8mm (Thickness)
Weight	40-48 grams	45 g	48 grams	Approx. 40g - 45g	36.8 grams
Case Material	Polycarbonate	Aluminum Alloy middle frame with plastic bottom	Polycarbonate	Metallic Finish (Zinc Alloy) with Polycarbonate back	ABS + PC Zinc Alloy with Vacuum Plating (Metal Finish)
Front Protection	Panda Glass with anti-reflective properties	Standard glass	Not specified	2.5D Curved Glass	3D Curved Glass (Scratch Resistant)
Strap / Bracelet Options	Silicon silicone straps with hook buckle closure	Silicon and Metal straps available	Silicone	22mm Silicone, Metallic Link, or Mesh options	Silicone (Removable and Replaceable)
Removable / Replaceable Strap	Yes	Yes	No	Yes	Yes
Water Resistance	IP67	IP67	IP68 (1.5m water resistance)	IP67 Water Resistant	IP67 - Can withstand submersion up to 1 meter for 30 minutes
Dust Resistance	Yes, dust-proof design	IP67	Yes, dust proof (IP68 certified)	IP67 Dust Resistant	IP67 rated
Durability Certifications	Not specified	Not Specified	IP68 certified	Not Specified	IP67 certification, Scratch resistant
Primary Controls	Touchscreen interface, single-press physical button, long-press for menu navigation	Touch screen + Functional rotary crown (side button)	Functional Crown (touch-sensitive), Touchscreen	Touch Screen, Functional Rotating Crown	Touchscreen + Single Physical Button
Processor
Operating System	Proprietary OS	Crest+ OS	Android, iOS compatible	Noise OS (RTOS)	Proprietary OS (Compatible with Android v5.0+ and iOS)
Chipset / SoC	Advanced proprietary ATS Chipset with optimized performance for zero lags and faster processing	Not specified	Not Specified	Single-chip Tru Sync™ Technology	Single Chip Architecture (not detailed)
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 (Optical PPG sensor)	24x7 Heart Rate Monitoring	24/7 Heart Rate Monitor	Yes (HX3600 / HRS3600 Optical PPG Sensor)
ECG	Not available	No	No ECG support	No	No ECG support
SpO₂ / Blood Oxygen	Yes, Spot-check monitoring	Yes	SpO2 / Blood Oxygen Monitor with continuous monitoring	SpO2 Monitoring	Yes (Blood Oxygen Monitor)
Skin Temperature Sensor	Not available	No	Not mentioned	No	No Skin Temperature Sensor
Sleep Tracking	Yes, with REM sleep tracking and automatic sleep detection	Yes (monitors sleep quality, hours slept)	Sleep Tracker with sleep quality analysis	Sleep Monitor with Stages	Yes (Sleep Monitor)
Step Counter	Yes, with step counting accuracy	Yes (Pedometer with daily step count)	Pedometer / Step Counter	Yes	Yes (Pedometer)
GPS	Connected GPS only	Connected GPS	Connected GPS (via smartphone only)	No (Connected GPS)	Yes (Built-in GPS)
Accelerometer	Yes	Yes (G-sensor)	Yes, Accelerometer sensor	Yes	Yes (3-Axis Accelerometer)
Gyroscope	Not available	Yes	Not specified	No	Gyroscope mentioned in some sources but not confirmed
Barometer	Not available	No	Not specified	No	Yes (Barometer sensor mentioned)
Compass	Not Specified	No	Not specified	No	Compass functionality not clearly specified
Other Sensors	N/A	Stress Monitor, Energy Score tracking	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress Monitor, Breathe Practice, Female Cycle Tracker	Sedentary Reminders, Breathing Monitor, Voice Assistance, Calorie Counter, Physiological Cycle Reminder
Connectivity
Wi-Fi	Not available	No	No Wi-Fi support	No	No Wi-Fi
Bluetooth	Bluetooth 5.3 with extended range up to 10 meters	Bluetooth 5.3	Bluetooth 5.3	Bluetooth v5.3	Bluetooth v5.0
NFC	No	Yes	No	No	No
Cellular Connectivity	Smartphone-dependent (Wi-Fi only through paired device)	No	Bluetooth calling only (SingleSync), no standalone cellular	No	Wi-Fi Only (via paired smartphone)
ANT+	Not Specified	No	Not Specified	No	No
Battery
Capacity	280 mAh Lithium Polymer	260 mAh (Lithium Polymer)	280 mAh Lithium Polymer	210 mAh	280-300 mAh (sources vary)
Fast Charging Support	Yes	Yes	Yes - NitroFast Charging (10 min for 1 day use)	No	No Fast Charging
Estimated Runtime	Up to 5 days	Up to 7 days	Up to 7 days typical use, 10+ days standby	Up to 7 Days (Typical), 2 Days (Calling)	Typical: 5-7 days \| With Bluetooth Calling: 2-3 days \| Standby: 15 days (360 hours)
Charging Method	Magnetic charging pins	Magnetic charging cable	Magnetic charging connector	Magnetic Charging	USB Magnetic Charging Points (Wired)
Battery Saver Modes	N/A	DND mode, various power saving settings	Not mentioned	Power Saving Mode	Yes (Battery Saver Mode available)
Memory & Storage
RAM	16 MB	Not Specified	Not officially specified	Not Specified	Not specified (watch operates on proprietary OS)
Internal Storage	16 MB	Not Specified	Not officially specified	Stores call logs and up to 10 contacts	Not specified
Expandable Storage	Not expandable	Not Specified	Not applicable	No	Not applicable
Design & Comfort
Bezel Type	Fixed bezel	Fixed bezel	Fixed, minimal bezel	Fixed Metallic Bezel	Fixed Bezel (Non-rotating)
Buttons / Crown	Single physical button on the right side	1 functional crown/button	Functional Crown (touch and pressure sensitive)	2 (Side Button + Rotating Crown)	Single Physical Button
Vibration Motor	Yes, with haptic feedback and vibration intensity settings	Yes	Yes, haptic feedback vibration motor	Yes	Yes (Haptic Vibration Motor)
Screen Glass Type	Panda Glass	Not specified	Not specified	2.5D Curved Glass	3D Curved Glass
Health & Safety Features
Fall Detection / SOS Calling	Not available	Emergency SOS feature (press and hold to alert contacts)	Emergency SOS capability available	No	No Fall Detection or SOS Calling
Menstrual Cycle / Health Tracking	Not available	Not available	Women's Health Tracking with menstrual cycle tracking	Female Cycle Tracker	Yes (Physiological Cycle Reminder)
Noise Monitoring	Not available	No	Not mentioned	No	No Noise Monitoring
Guided Breathing / Mindfulness Features	Breathing exercise app available within Fastrack Reflex World App	Yes (Breathe Training Mode / Relax Mode)	Breathe Exercise feature	Breathe Practice	Yes (Breathe Monitor, Relaxation App)
Audio & Voice
Built-in Speaker	Yes, with microphone for hands-free calling	Yes (HD speaker)	Yes, built-in speaker	Yes	Yes (Dedicated HD Speaker)
Microphone	Yes, dual microphone setup for clear voice communication	Yes (Built-in HD microphone)	Yes, high-quality microphone	Yes	Yes (Built-in Microphone for Bluetooth Calling)
Voice Assistant	AI Voice Assistant available via Fastrack Reflex World companion app	Yes	Yes, AI Voice Assistant (compatible with Alexa)	AI Voice Assistant (Siri/Google)	Yes (AI Voice Assistant, Google Assistant & Siri Compatible)
Bluetooth Audio Output	Yes, Bluetooth audio output for calls and music playback	Yes	Yes, via Bluetooth headphones	No	Yes (Bluetooth Audio Output via connected phone)
Notifications & Controls
Notification Support	Call alerts, SMS notifications, App notifications, Social media alerts	Call Alerts, SMS/Messaging Alerts, App Notifications	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Call, SMS, Social Media, Email	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts
Quick Reply Options	Predefined quick reply templates available	Predefined quick replies available	Predefined Quick Replies (Android only)	Quick Reply (Android Only)	Predefined Messages and Voice Reply
Music Control / Playback	Yes - Play/Pause, Volume Control, Music player app integration	Yes (Play/Pause, Volume Control, Track navigation)	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Remote Music Control	Yes (Play/Pause, Volume Control, Next/Previous Track)
Find My Phone	Yes, Find My Phone feature available	Yes	Yes, Find My Phone feature	Yes	Yes (Find My Phone Feature)
Remote Camera Shutter	Yes, remote camera shutter control via smartwatch	Yes	Yes, Camera Control feature	Yes	Yes (Remote Camera Control)
Security
Fingerprint Sensor	No	No	Not Specified	No	No
Face Unlock	No	No	Not Specified	No	No
NFC Payment Security	Not available	No	No NFC support	No	No NFC, No Payment Security
Find My Watch	Not available	Yes (via app)	Not explicitly mentioned	Yes (via App)	Yes (Find My Watch Feature)
Ports & Accessories
Charging Connector Type	Magnetic pins	Magnetic USB charging cable	Magnetic charging connector (proprietary)	Magnetic Pogo Pin	USB Magnetic Charging Points
Optional Docks / Stands	None specified	Not included	None mentioned	None	Not specified
Bundled Extras	Extra silicon strap color variants; magnetic charging cable	Magnetic charging cable, User manual, Warranty QR card	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Charging Cable, User Manual	Smartwatch, USB Charging Cable, User Manual, Warranty Card
Software & Apps
App Store Availability	N/A	Not Supported	Fastrack Smart World App (Google Play compatible)	No	Limited third-party app support (proprietary ecosystem)
Customization Options	100+ customizable watch faces, theme personalization, layout options	DIY Watch Face Studio (custom watch faces), 700+ active/sports modes	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	100+ Cloud Watch Faces	130+ Cloud Watch Faces, Customizable Quick View Widgets, Multiple Theme Options
Companion App	Fastrack Reflex World App	boAt Crest App (Android 7.0+, iOS 14.0+)	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App	Fire-Boltt Health App (Android & iOS)
OTA Updates	Yes	Yes (via companion app)	Yes, over-the-air updates available	Yes	Yes (Over-the-Air Updates Available)
Pre-installed Apps	N/A	Turn-by-Turn Navigation (MapMyIndia), QR Tray, Emergency SOS, Weather, Alarm, Timer, Stopwatch, Games	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	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