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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
General
In The Box	Smartwatch, Magnetic Charging Cable, Quick Start Guide, Warranty Card	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	Fastrack Limitless FS2+	NoiseFit Twist
Launch Date	10/07/2024	12/01/2023
Colors	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue
Brand	Fastrack	Noise
Display
Display Size	2.01, 5.1	1.38, 3.5
Resolution	320, 320 pixels	240, 240 pixels
Panel Type	TFT LCD UltraVU Display	TFT LCD with 246 PPI pixel density
Touch Type	Capacitive Touchscreen	Multi-touch capacitive touchscreen
Always-on Display	No	No
Brightness	Not specified	550 nits peak brightness
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)
Color Gamut / HDR Support	Standard color gamut, no HDR support	Standard RGB color gamut
Screen Protection	Not specified	Not specified
Body
Dimensions	Not Specified	45.7 x 52.2 x 11.9 mm
Weight	48 grams	27.6 grams
Case Material	Polycarbonate	PC+ABS plastic with metal unibody appearance
Front Protection	Not specified	Not specified
Strap / Bracelet Options	Silicone	22mm silicone with quick-release mechanism
Removable / Replaceable Strap	No	Yes
Water Resistance	IP68 (1.5m water resistance)	IP68 - Water resistant to 1.5m depth
Dust Resistance	Yes, dust proof (IP68 certified)	IP68 - Dust resistant
Durability Certifications	IP68 certified	IP68 certified
Primary Controls	Functional Crown (touch-sensitive), Touchscreen	Touch screen with gesture controls and wake-up gesture
Processor
Operating System	Android, iOS compatible	Proprietary Real-Time Operating System (RTOS)
Chipset / SoC	Not Specified	Not publicly disclosed
CPU Cores & Clock Speed	Not Specified	Not specified
GPU	Not specified	Not specified
Health & Fitness Sensors
Heart Rate Monitor	24x7 Heart Rate Monitoring	Yes - 24/7 continuous optical PPG monitoring
ECG	No ECG support	Not available
SpO₂ / Blood Oxygen	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes - Blood oxygen saturation monitoring
Skin Temperature Sensor	Not mentioned	Not available
Sleep Tracking	Sleep Tracker with sleep quality analysis	Yes - Automatic sleep detection with stage analysis
Step Counter	Pedometer / Step Counter	Yes - Pedometer with step tracking
GPS	Connected GPS (via smartphone only)	Not available - Bluetooth only
Accelerometer	Yes, Accelerometer sensor	Yes - Motion detection
Gyroscope	Not specified	Yes - Rotation sensing
Barometer	Not specified	Not available
Compass	Not specified	Not available
Other Sensors	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker
Connectivity
Wi-Fi	No Wi-Fi support	Not available
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology
NFC	No	No
Cellular Connectivity	Bluetooth calling only (SingleSync), no standalone cellular	None - Bluetooth only
ANT+	Not Specified	No
Battery
Capacity	280 mAh Lithium Polymer	300 mAh lithium-ion
Fast Charging Support	Yes - NitroFast Charging (10 min for 1 day use)	Not available
Estimated Runtime	Up to 7 days typical use, 10+ days standby	7 days typical use, 25 days standby, 2 days with heavy BT calling
Charging Method	Magnetic charging connector	Proprietary magnetic pogo pins connector
Battery Saver Modes	Not mentioned	Brightness reduction, disable 24/7 HR monitoring, low power mode
Memory & Storage
RAM	Not officially specified	Not specified
Internal Storage	Not officially specified	Limited (cloud-based watch faces only)
Expandable Storage	Not applicable	Not available
Design & Comfort
Bezel Type	Fixed, minimal bezel	Fixed circular bezel with flat surface design
Buttons / Crown	Functional Crown (touch and pressure sensitive)	No physical buttons - Touch controls only
Vibration Motor	Yes, haptic feedback vibration motor	Yes - Linear haptic motor for haptic feedback
Screen Glass Type	Not specified	Standard protective glass (not specified)
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS capability available	Not available
Menstrual Cycle / Health Tracking	Women's Health Tracking with menstrual cycle tracking	Yes - Female health tracking with cycle prediction
Noise Monitoring	Not mentioned	Not available
Guided Breathing / Mindfulness Features	Breathe Exercise feature	Yes - Breathe Practice guided breathing exercises
Audio & Voice
Built-in Speaker	Yes, built-in speaker	Yes - For Bluetooth calling
Microphone	Yes, high-quality microphone	Yes - For Bluetooth calling
Voice Assistant	Yes, AI Voice Assistant (compatible with Alexa)	Not available
Bluetooth Audio Output	Yes, via Bluetooth headphones	Not available - No music streaming
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview
Quick Reply Options	Predefined Quick Replies (Android only)	Yes - Predefined quick reply messages only
Music Control / Playback	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes - Remote phone music control (play/pause, volume, track skip)
Find My Phone	Yes, Find My Phone feature	Yes - Locate paired smartphone
Remote Camera Shutter	Yes, Camera Control feature	Yes - Remote camera trigger for photos
Security
Fingerprint Sensor	Not Specified	No
Face Unlock	Not Specified	No
NFC Payment Security	No NFC support	Not available
Find My Watch	Not explicitly mentioned	Not available
Ports & Accessories
Charging Connector Type	Magnetic charging connector (proprietary)	Proprietary magnetic pogo pins connector
Optional Docks / Stands	None mentioned	None mentioned
Bundled Extras	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Magnetic charging cable, user manual, warranty card
Software & Apps
App Store Availability	Fastrack Smart World App (Google Play compatible)	Cloud-based proprietary store via NoiseFit app
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
Companion App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App - Health tracking, notifications, watch face management
OTA Updates	Yes, over-the-air updates available	Yes - OTA firmware updates available
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