How do I choose between the 41mm and 45mm Pixel Watch 4 sizes?

Both sizes offer identical breakthrough features including satellite SOS, user-serviceable design, and Gemini AI coaching. The 45mm provides larger display and superior battery life (40 hours vs 30 hours), fitting wrists 150-215mm circumference. The 41mm offers classic, lighter profile fitting wrists 130-210mm circumference. Choice depends on display preference, battery needs, and wrist fit.

What breakthrough features does Pixel Watch 4 offer that competitors cannot match?

Four revolutionary capabilities no competitor offers: (1) Satellite SOS emergency communication enabling distress signals without cellular coverage, (2) User-serviceable design with replaceable battery and display components, (3) Actua 360 domed display with 3000 nits brightness, (4) Gemini AI personal health coach with 24/7 guidance and raise-to-talk activation.

Which phones are compatible with the Pixel Watch 4?

Compatible with Google Pixel and Android phones running Android 11.0 or newer. Optimal experience achieved with Pixel phones for exclusive satellite emergency communication, Gemini AI integration, and camera remote control capabilities. Google Account required for full feature access.

How does the satellite SOS emergency communication work?

Industry-first capability enabling distress signals and emergency service communication in remote locations without cellular or Wi-Fi coverage. Uses advanced satellite network technology with 2-year free service included and global coverage. Functions in areas where no other smartwatch can operate.

Is the Pixel Watch 4 water resistant?

Yes, features comprehensive water resistance with 50 meters (5 ATM) depth capability and IP68 protection. Supports ocean swimming, pool activities, showering, water sports, and complete submersion protection with Water Lock Mode for automatic water ejection.

How does the revolutionary repairability design work?

First user-serviceable Pixel Watch with replaceable battery and display components. Enables cost-effective maintenance at fraction of full device cost, supporting 5+ year usage with component replacement. User-accessible battery replacement takes 15-30 minutes with official kits. Display replacement available through professional service network.

What advanced health features are available on Pixel Watch 4?

Breakthrough Loss of Pulse Detection (FDA-cleared), Gemini AI health coach with 24/7 guidance, 18% more accurate sleep tracking, multi-path heart rate sensor, skin temperature monitoring, ECG readings, and continuous SpO2 monitoring. Includes 6-month Fitbit Premium trial for advanced analytics.

Do I need a phone to use the Pixel Watch 4?

Initial pairing requires compatible Android phone. LTE model enables independent operation for calls, texts, music, Google Pay, and Gemini Assistant. Bluetooth/Wi-Fi model requires phone proximity or Wi-Fi connection. Both models include satellite SOS emergency communication operating independently.

Calculator

Name: Google Pixel Watch 4
Brand: Google
Availability: PreOrder
Rating: 4.8 (1250 reviews)

Calculator brings comprehensive math tools to your WearOS watch with 10 million+ downloads and a 4.6★ rating, featuring scientific functions, graphing, and calculation history.

Best for: Quick math, tip splitting, scientific calculations, shopping math

Download: Play Store | Phone: Standalone | Offline: Full | Battery: Low

WearOS Features

Complete math tools on your wrist.

Scientific Functions: Trigonometric, logarithmic, and exponential calculations.
Calculation History: Track your last 100 expressions with dates for reference.
Graphing: Real-time function graphing for visual learners.
Fraction Support: Reduce fractions and convert to mixed numbers.

Quick Access

Perfect for quick calculations during shopping, cooking, or work meetings.

Compatibility

Detail	Value
Developer	Prometheus Interactive
Rating	4.6★ (74.3K reviews)
Downloads	10 million+
Price	Free (IAP + ads)
Category	Education
App Size	~8 MB
Content Rating	PEGI 3
Last Updated	Dec 2025
Requires	`Android 6.0+`

Getting Started

Install Calculator on your WearOS smartwatch from the Play Store.
Open the app for instant access to basic calculations.
Use basic mode for everyday arithmetic.
Access scientific functions for advanced calculations.
View history to see your previous calculations.
Try graphing for visual function representation.

Calculator Modes

Multiple modes for different math needs.

Basic: Addition, subtraction, multiplication, and division for everyday use.
Scientific: Trigonometric, logarithmic, and exponential functions for advanced math.
Graphing: Real-time graphing of functions for visual learning.
Fractions: Reduction, conversion, and arithmetic with fractions.

For Students

The graphing calculator is great for quickly visualizing functions during study sessions.

Why Calculator on WearOS

Highly Rated: 4.6★ from 74.3K reviews with 10 million+ downloads.
All-in-One: Basic, scientific, graphing, and fraction modes in one app.
History Tracking: Never lose important calculations with 100-expression history.
Standalone: Full functionality without needing your phone.

WearOS Features​

Quick Access

Compatibility​

Getting Started​

Calculator Modes​