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

Specification	Fastrack Limitless FS2+ ₹1,599 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	Fastrack Limitless Glide X ₹1,299 Prices and availability may change on the seller's site View Price
General
In The Box	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card	Fastrack Limitless Glide X Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card
Model Name	Fastrack Limitless FS2+	NoiseFit Twist	Fastrack Limitless Glide X
Launch Date	10/07/2024	12/01/2023	27/07/2024
Colors	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Black, Blue, Red, Beige, Teal, Wine Red, Grey
Brand	Fastrack	Noise	Fastrack
Display
Display Size	2.01, 5.1	1.38, 3.5	1.83, 4.64
Resolution	320, 320 pixels	240, 240 pixels	240, 286 pixels
Panel Type	TFT LCD UltraVU Display	TFT LCD with 246 PPI pixel density	TFT LCD (UltraVU HD LCD technology)
Touch Type	Capacitive Touchscreen	Multi-touch capacitive touchscreen	Multi-touch capacitive touchscreen
Always-on Display	No	No	Yes
Brightness	Not specified	550 nits peak brightness	450 nits peak brightness
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	Not specified
Color Gamut / HDR Support	Standard color gamut, no HDR support	Standard RGB color gamut	Not specified
Screen Protection	Not specified	Not specified	Panda Glass with anti-reflective coating
Body
Dimensions	Not Specified	45.7 x 52.2 x 11.9 mm	45.2 x 37.2 x 11.34 mm
Weight	48 grams	27.6 grams	40-48 grams
Case Material	Polycarbonate	PC+ABS plastic with metal unibody appearance	Polycarbonate
Front Protection	Not specified	Not specified	Panda Glass with anti-reflective properties
Strap / Bracelet Options	Silicone	22mm silicone with quick-release mechanism	Silicon silicone straps with hook buckle closure
Removable / Replaceable Strap	No	Yes	Yes
Water Resistance	IP68 (1.5m water resistance)	IP68 - Water resistant to 1.5m depth	IP67
Dust Resistance	Yes, dust proof (IP68 certified)	IP68 - Dust resistant	Yes, dust-proof design
Durability Certifications	IP68 certified	IP68 certified	Not specified
Primary Controls	Functional Crown (touch-sensitive), Touchscreen	Touch screen with gesture controls and wake-up gesture	Touchscreen interface, single-press physical button, long-press for menu navigation
Processor
Operating System	Android, iOS compatible	Proprietary Real-Time Operating System (RTOS)	Proprietary OS
Chipset / SoC	Not Specified	Not publicly disclosed	Advanced proprietary ATS Chipset with optimized performance for zero lags and faster processing
CPU Cores & Clock Speed	Not Specified	Not specified	Not Specified
GPU	Not specified	Not specified	Not Specified
Health & Fitness Sensors
Heart Rate Monitor	24x7 Heart Rate Monitoring	Yes - 24/7 continuous optical PPG monitoring	Yes, 24x7 continuous monitoring (Optical PPG sensor)
ECG	No ECG support	Not available	Not available
SpO₂ / Blood Oxygen	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes - Blood oxygen saturation monitoring	Yes, Spot-check monitoring
Skin Temperature Sensor	Not mentioned	Not available	Not available
Sleep Tracking	Sleep Tracker with sleep quality analysis	Yes - Automatic sleep detection with stage analysis	Yes, with REM sleep tracking and automatic sleep detection
Step Counter	Pedometer / Step Counter	Yes - Pedometer with step tracking	Yes, with step counting accuracy
GPS	Connected GPS (via smartphone only)	Not available - Bluetooth only	Connected GPS only
Accelerometer	Yes, Accelerometer sensor	Yes - Motion detection	Yes
Gyroscope	Not specified	Yes - Rotation sensing	Not available
Barometer	Not specified	Not available	Not available
Compass	Not specified	Not available	Not Specified
Other Sensors	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	N/A
Connectivity
Wi-Fi	No Wi-Fi support	Not available	Not available
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth 5.3 with extended range up to 10 meters
NFC	No	No	No
Cellular Connectivity	Bluetooth calling only (SingleSync), no standalone cellular	None - Bluetooth only	Smartphone-dependent (Wi-Fi only through paired device)
ANT+	Not Specified	No	Not Specified
Battery
Capacity	280 mAh Lithium Polymer	300 mAh lithium-ion	280 mAh Lithium Polymer
Fast Charging Support	Yes - NitroFast Charging (10 min for 1 day use)	Not available	Yes
Estimated Runtime	Up to 7 days typical use, 10+ days standby	7 days typical use, 25 days standby, 2 days with heavy BT calling	Up to 5 days
Charging Method	Magnetic charging connector	Proprietary magnetic pogo pins connector	Magnetic charging pins
Battery Saver Modes	Not mentioned	Brightness reduction, disable 24/7 HR monitoring, low power mode	N/A
Memory & Storage
RAM	Not officially specified	Not specified	16 MB
Internal Storage	Not officially specified	Limited (cloud-based watch faces only)	16 MB
Expandable Storage	Not applicable	Not available	Not expandable
Design & Comfort
Bezel Type	Fixed, minimal bezel	Fixed circular bezel with flat surface design	Fixed bezel
Buttons / Crown	Functional Crown (touch and pressure sensitive)	No physical buttons - Touch controls only	Single physical button on the right side
Vibration Motor	Yes, haptic feedback vibration motor	Yes - Linear haptic motor for haptic feedback	Yes, with haptic feedback and vibration intensity settings
Screen Glass Type	Not specified	Standard protective glass (not specified)	Panda Glass
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS capability available	Not available	Not available
Menstrual Cycle / Health Tracking	Women's Health Tracking with menstrual cycle tracking	Yes - Female health tracking with cycle prediction	Not available
Noise Monitoring	Not mentioned	Not available	Not available
Guided Breathing / Mindfulness Features	Breathe Exercise feature	Yes - Breathe Practice guided breathing exercises	Breathing exercise app available within Fastrack Reflex World App
Audio & Voice
Built-in Speaker	Yes, built-in speaker	Yes - For Bluetooth calling	Yes, with microphone for hands-free calling
Microphone	Yes, high-quality microphone	Yes - For Bluetooth calling	Yes, dual microphone setup for clear voice communication
Voice Assistant	Yes, AI Voice Assistant (compatible with Alexa)	Not available	AI Voice Assistant available via Fastrack Reflex World companion app
Bluetooth Audio Output	Yes, via Bluetooth headphones	Not available - No music streaming	Yes, Bluetooth audio output for calls and music playback
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview	Call alerts, SMS notifications, App notifications, Social media alerts
Quick Reply Options	Predefined Quick Replies (Android only)	Yes - Predefined quick reply messages only	Predefined quick reply templates available
Music Control / Playback	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes - Remote phone music control (play/pause, volume, track skip)	Yes - Play/Pause, Volume Control, Music player app integration
Find My Phone	Yes, Find My Phone feature	Yes - Locate paired smartphone	Yes, Find My Phone feature available
Remote Camera Shutter	Yes, Camera Control feature	Yes - Remote camera trigger for photos	Yes, remote camera shutter control via smartwatch
Security
Fingerprint Sensor	Not Specified	No	No
Face Unlock	Not Specified	No	No
NFC Payment Security	No NFC support	Not available	Not available
Find My Watch	Not explicitly mentioned	Not available	Not available
Ports & Accessories
Charging Connector Type	Magnetic charging connector (proprietary)	Proprietary magnetic pogo pins connector	Magnetic pins
Optional Docks / Stands	None mentioned	None mentioned	None specified
Bundled Extras	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Magnetic charging cable, user manual, warranty card	Extra silicon strap color variants; magnetic charging cable
Software & Apps
App Store Availability	Fastrack Smart World App (Google Play compatible)	Cloud-based proprietary store via NoiseFit app	N/A
Customization Options	200+ Watchfaces, Multiple Menu Styles, Custom Watch Face Creation, 110+ Sports Modes, In-Built Games, Calculator	100+ cloud-based watch faces with customization through NoiseFit app	100+ customizable watch faces, theme personalization, layout options
Companion App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App - Health tracking, notifications, watch face management	Fastrack Reflex World App
OTA Updates	Yes, over-the-air updates available	Yes - OTA firmware updates available	Yes
Pre-installed Apps	110+ Sports Modes, 200+ Watchfaces, In-Built Games, AI Voice Assistant, Calculator, Alarm Clock, Stopwatch, Timer, Stress Monitor	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	N/A