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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	Noise Twist Go ₹1,399 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	Smartwatch, Magnetic Charging Cable, User Manual, Warranty Card
Model Name	Fastrack Limitless FS2+	NoiseFit Twist	NoiseFit Twist Go
Launch Date	10/07/2024	12/01/2023	31/10/2023
Colors	Charcoal Black, Wine Red, Copper Teal, Blue, Beige	Jet Black, Silver Grey, Rose Wine, Rose Pink, Space Blue	Jet Black, Silver Grey, Rose Pink, Gold Link, Silver Link, Elite Black, Rose Wine
Brand	Fastrack	Noise	Noise
Display
Display Size	2.01, 5.1	1.38, 3.5	1.39, 3.53
Resolution	320, 320 pixels	240, 240 pixels	240, 240 pixels
Panel Type	TFT LCD UltraVU Display	TFT LCD with 246 PPI pixel density	TFT LCD
Touch Type	Capacitive Touchscreen	Multi-touch capacitive touchscreen	Full Touch
Always-on Display	No	No	No
Brightness	Not specified	550 nits peak brightness	Up to 500 nits
Refresh Rate	Not specified	Standard 60Hz (typical for TFT)	60Hz
Color Gamut / HDR Support	Standard color gamut, no HDR support	Standard RGB color gamut	Not Specified
Screen Protection	Not specified	Not specified	2.5D Glass
Body
Dimensions	Not Specified	45.7 x 52.2 x 11.9 mm	Round Dial, approx. 46mm diameter (exact mm not specified)
Weight	48 grams	27.6 grams	Approx. 40g - 45g
Case Material	Polycarbonate	PC+ABS plastic with metal unibody appearance	Metallic Finish (Zinc Alloy) with Polycarbonate back
Front Protection	Not specified	Not specified	2.5D Curved Glass
Strap / Bracelet Options	Silicone	22mm silicone with quick-release mechanism	22mm Silicone, Metallic Link, or Mesh options
Removable / Replaceable Strap	No	Yes	Yes
Water Resistance	IP68 (1.5m water resistance)	IP68 - Water resistant to 1.5m depth	IP67 Water Resistant
Dust Resistance	Yes, dust proof (IP68 certified)	IP68 - Dust resistant	IP67 Dust Resistant
Durability Certifications	IP68 certified	IP68 certified	Not Specified
Primary Controls	Functional Crown (touch-sensitive), Touchscreen	Touch screen with gesture controls and wake-up gesture	Touch Screen, Functional Rotating Crown
Processor
Operating System	Android, iOS compatible	Proprietary Real-Time Operating System (RTOS)	Noise OS (RTOS)
Chipset / SoC	Not Specified	Not publicly disclosed	Single-chip Tru Sync™ Technology
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	24/7 Heart Rate Monitor
ECG	No ECG support	Not available	No
SpO₂ / Blood Oxygen	SpO2 / Blood Oxygen Monitor with continuous monitoring	Yes - Blood oxygen saturation monitoring	SpO2 Monitoring
Skin Temperature Sensor	Not mentioned	Not available	No
Sleep Tracking	Sleep Tracker with sleep quality analysis	Yes - Automatic sleep detection with stage analysis	Sleep Monitor with Stages
Step Counter	Pedometer / Step Counter	Yes - Pedometer with step tracking	Yes
GPS	Connected GPS (via smartphone only)	Not available - Bluetooth only	No (Connected GPS)
Accelerometer	Yes, Accelerometer sensor	Yes - Motion detection	Yes
Gyroscope	Not specified	Yes - Rotation sensing	No
Barometer	Not specified	Not available	No
Compass	Not specified	Not available	No
Other Sensors	Stress Monitor, Menstrual Cycle Tracker, Women's Health Tracking	Stress monitor, activity tracking, calorie counter, female cycle tracker	Stress Monitor, Breathe Practice, Female Cycle Tracker
Connectivity
Wi-Fi	No Wi-Fi support	Not available	No
Bluetooth	Bluetooth 5.3	Bluetooth 5.3 with Tru Sync technology	Bluetooth v5.3
NFC	No	No	No
Cellular Connectivity	Bluetooth calling only (SingleSync), no standalone cellular	None - Bluetooth only	No
ANT+	Not Specified	No	No
Battery
Capacity	280 mAh Lithium Polymer	300 mAh lithium-ion	210 mAh
Fast Charging Support	Yes - NitroFast Charging (10 min for 1 day use)	Not available	No
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 7 Days (Typical), 2 Days (Calling)
Charging Method	Magnetic charging connector	Proprietary magnetic pogo pins connector	Magnetic Charging
Battery Saver Modes	Not mentioned	Brightness reduction, disable 24/7 HR monitoring, low power mode	Power Saving Mode
Memory & Storage
RAM	Not officially specified	Not specified	Not Specified
Internal Storage	Not officially specified	Limited (cloud-based watch faces only)	Stores call logs and up to 10 contacts
Expandable Storage	Not applicable	Not available	No
Design & Comfort
Bezel Type	Fixed, minimal bezel	Fixed circular bezel with flat surface design	Fixed Metallic Bezel
Buttons / Crown	Functional Crown (touch and pressure sensitive)	No physical buttons - Touch controls only	2 (Side Button + Rotating Crown)
Vibration Motor	Yes, haptic feedback vibration motor	Yes - Linear haptic motor for haptic feedback	Yes
Screen Glass Type	Not specified	Standard protective glass (not specified)	2.5D Curved Glass
Health & Safety Features
Fall Detection / SOS Calling	Emergency SOS capability available	Not available	No
Menstrual Cycle / Health Tracking	Women's Health Tracking with menstrual cycle tracking	Yes - Female health tracking with cycle prediction	Female Cycle Tracker
Noise Monitoring	Not mentioned	Not available	No
Guided Breathing / Mindfulness Features	Breathe Exercise feature	Yes - Breathe Practice guided breathing exercises	Breathe Practice
Audio & Voice
Built-in Speaker	Yes, built-in speaker	Yes - For Bluetooth calling	Yes
Microphone	Yes, high-quality microphone	Yes - For Bluetooth calling	Yes
Voice Assistant	Yes, AI Voice Assistant (compatible with Alexa)	Not available	AI Voice Assistant (Siri/Google)
Bluetooth Audio Output	Yes, via Bluetooth headphones	Not available - No music streaming	No
Notifications & Controls
Notification Support	Call Alerts, SMS/Messaging, App Notifications, Social Media Alerts	Yes - Call alerts, SMS alerts, app notifications with preview	Call, SMS, Social Media, Email
Quick Reply Options	Predefined Quick Replies (Android only)	Yes - Predefined quick reply messages only	Quick Reply (Android Only)
Music Control / Playback	Full music control: Play/Pause, Volume, Previous/Next, Streaming control	Yes - Remote phone music control (play/pause, volume, track skip)	Remote Music Control
Find My Phone	Yes, Find My Phone feature	Yes - Locate paired smartphone	Yes
Remote Camera Shutter	Yes, Camera Control feature	Yes - Remote camera trigger for photos	Yes
Security
Fingerprint Sensor	Not Specified	No	No
Face Unlock	Not Specified	No	No
NFC Payment Security	No NFC support	Not available	No
Find My Watch	Not explicitly mentioned	Not available	Yes (via App)
Ports & Accessories
Charging Connector Type	Magnetic charging connector (proprietary)	Proprietary magnetic pogo pins connector	Magnetic Pogo Pin
Optional Docks / Stands	None mentioned	None mentioned	None
Bundled Extras	Quick Start Guide, Warranty Card, Magnetic Charging Cable	Magnetic charging cable, user manual, warranty card	Charging Cable, User Manual
Software & Apps
App Store Availability	Fastrack Smart World App (Google Play compatible)	Cloud-based proprietary store via NoiseFit app	No
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+ Cloud Watch Faces
Companion App	Fastrack Smart World App (formerly Fastrack Reflex World App)	NoiseFit App - Health tracking, notifications, watch face management	NoiseFit 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	Alarm, Stopwatch, Timer, Weather, Calculator, World Clock