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Fitbit Google Ace LTE - Kids Smartwatch with Call, vs Garmin Instinct® 3

Updated July 2026 — Fitbit Google Ace LTE - Kids Smartwatch with Call, wins on value and connectivity, Garmin Instinct® 3 wins on battery and features.

The Fitbit Google Ace LTE is an excellent choice for kids, while the Garmin Instinct® 3 is ideal for outdoor enthusiasts. Choose based on your specific needs.

Why Fitbit Google Ace LTE - Kids Smartwatch with Call, is better

Price

Fitbit Ace LTE is significantly cheaper at $99.95.

Kid-Friendly

Designed specifically for children with engaging features.

Activity Games

Includes movement-based games to encourage physical activity.

Why Garmin Instinct® 3 is better

Durability

Garmin Instinct® 3 is built to MIL-STD-810 standards.

Battery Life

Offers unlimited battery life with solar charging.

Advanced Features

Includes multi-band GPS and comprehensive health tracking.

Overall score

Fitbit Google Ace LTE - Kids Smartwatch with Call,
75
Garmin Instinct® 3
88

Specifications

SpecFitbit Google Ace LTE - Kids Smartwatch with Call,Garmin Instinct® 3
Price$99.95$399.99
Display Size1.4"0.9"
Water Resistance50m10 ATM
GPSYesMulti-band
Health TrackingBasicAdvanced

Dimension comparison

Fitbit Google Ace LTE - Kids Smartwatch with Call,Garmin Instinct® 3

Overview of the Fitbit Google Ace LTE and Garmin Instinct® 3

The Fitbit Google Ace LTE is designed specifically for kids, while the Garmin Instinct® 3 is a rugged outdoor smartwatch for adults. The Ace LTE retails for $99.95, making it significantly more budget-friendly compared to the Garmin, which is priced at $399.99. This price difference of about 300% highlights the differing target audiences and functionalities of each device.

The Fitbit Ace LTE focuses on keeping kids active and connected with features like calling, messaging, GPS, and activity-based games. In contrast, the Garmin Instinct® 3 is engineered for outdoor enthusiasts, boasting advanced GPS capabilities and robust health tracking features.

Design and Build Quality

The design of the Fitbit Google Ace LTE is playful and colorful, aimed at children, while the Garmin Instinct® 3 features a rugged and utilitarian design suitable for outdoor tasks. The Ace LTE is equipped with Corning Gorilla Glass 3 and a protective bumper case, ensuring it can withstand dust, scratches, and impacts, making it ideal for kids.

On the other hand, the Garmin Instinct® 3 is built with a fiber-reinforced polymer case and a metal-reinforced bezel, designed to meet MIL-STD-810 standards for thermal and shock resistance. Its 10 ATM water rating makes it adept for swimming and other water activities. The difference in design philosophy is evident, with the Ace LTE emphasizing durability for kids and the Instinct® 3 focusing on ruggedness for outdoor adventures.

Features and Functionality

When comparing features, the Fitbit Google Ace LTE includes unique functionalities tailored for children, such as activity-based gaming and a built-in LTE data plan for calls and messages. Kids can connect with up to 20 contacts, and the watch also features a variety of movement-based games to encourage physical activity. Additionally, it supports Tap to Pay, allowing kids to make small purchases directly from their wrist.

In contrast, the Garmin Instinct® 3 is equipped with multi-band GPS and SatIQ technology, which optimizes battery life while providing superior positioning. It also includes health monitoring features such as wrist-based heart rate tracking and advanced sleep monitoring. While both devices offer valuable features, they cater to vastly different needs: active gameplay for children versus comprehensive outdoor functionality for adults.

Battery Life and Charging

Battery life is a critical aspect for any smartwatch. The Fitbit Google Ace LTE boasts over 16 hours of battery life, which can be extended to 11 hours with just 30 minutes of fast charging. This ensures that kids can stay active and connected throughout the day without frequent recharging.

In contrast, the Garmin Instinct® 3 features unlimited battery life in smartwatch mode when using solar charging, assuming the watch is worn outside for about three hours a day. This advantage makes the Instinct® 3 an excellent choice for outdoor enthusiasts who may not have regular access to charging facilities. The differences in battery capabilities reflect the intended usage scenarios of both watches.

Health and Fitness Tracking

Health and fitness tracking capabilities vary significantly between the two devices. The Fitbit Google Ace LTE is designed to keep children active through fun movement-based games and allows them to track their steps, jumps, and other physical activities. Its engaging features are aimed at motivating kids to reach their fitness goals in a playful manner.

Conversely, the Garmin Instinct® 3 offers advanced health monitoring, including continuous heart rate tracking, Pulse Ox, and detailed sleep analysis. Although these features are not medical devices, they provide valuable insights into an adult's health and wellness. The Instinct® 3 caters to users who are serious about fitness and outdoor activities, offering metrics that can enhance training and overall health.

Connectivity Options

Connectivity is another area where these two watches diverge. The Fitbit Google Ace LTE supports in-app calls and messages, functioning independently of a smartphone, which is crucial for kids who may not have their own phones yet. The watch requires a Google account and the Fitbit Ace app for optimal functionality, allowing parents to monitor their child’s activity and location.

On the flip side, the Garmin Instinct® 3 offers smart notifications and is compatible with the Garmin Connect app. It allows users to download apps and watch faces, enhancing the smartwatch experience. However, it still requires pairing with a smartphone for certain functions, including incident detection and assistance features, which call for emergency contacts in case of an emergency.

Pricing and Value for Money

The pricing of the two devices highlights their target demographics and features. The Fitbit Google Ace LTE is priced at $99.95, which is about 75% cheaper than the Garmin Instinct® 3, which costs $399.99. This significant price difference underscores that the Ace LTE is a more accessible option for families looking to introduce their children to smart technology while promoting fitness.

While the Garmin Instinct® 3 is more expensive, it offers robust outdoor features, advanced health metrics, and superior durability, making it a worthwhile investment for dedicated outdoor enthusiasts. The value for money ultimately depends on the user's needs—whether they seek a fun, engaging smartwatch for a child or a rugged, feature-rich device for outdoor adventures.

Which should you buy?

Choosing between the Fitbit Google Ace LTE and the Garmin Instinct® 3 depends largely on your specific needs. If you are looking for a smartwatch designed for kids that promotes activity through games and allows for communication, the Fitbit Google Ace LTE is an excellent choice at $99.95. However, if you need a durable, feature-rich outdoor smartwatch with advanced health monitoring and GPS capabilities, the Garmin Instinct® 3 is worth the higher investment at $399.99.