Fitbit Google Ace LTE vs Monowul Smart Watch for Kids, 1.85" Fitness
Updated April 2026 — Fitbit Google Ace LTE wins on connectivity and software, Monowul Smart Watch for Kids, 1.85" Fitness wins on value and display.
$99.95Fitbit Google Ace LTE - Kids Smartwatch with Call, Message, GPS, and Activity-Based Games, Ace Pass Data Plan Required - Mild - Strange Arcade
Fitbit
$35.99Smart Watch for Kids, 1.85" Fitness Tracker with Heart Rate, Sleep Monitor, IP68 Waterproof Smartwatches with Video Music, Pedometer, Game, NO APP/Phone, Gift for Boys Girls. (Classic, Blue)
Monowul
The Monowul Smart Watch wins on value and feature density, offering extensive health monitoring and a larger display at a lower price point. However, the Fitbit Google Ace LTE is superior for parents requiring independent cellular connectivity and GPS tracking without a paired phone.
Why Fitbit Google Ace LTE is better
Independent Cellular Connectivity
Built-in 4G LTE allows calls without a phone
GPS Location Tracking
Built-in GPS ensures location visibility
Verified Battery Duration
Confirmed 16+ hours of battery life
Fast Charging Capability
Provides 11 hours of power in 30 minutes
Managed Contact List
Supports up to 20 approved contacts
Why Monowul Smart Watch for Kids, 1.85" Fitness is better
Lower Price Point
Costs $35.99 compared to $99.95
Larger Display Specification
Features a 1.85-inch HD touchscreen
Comprehensive Health Sensors
Monitors heart rate, blood oxygen, and stress
Extensive Sport Modes
Includes over 100 sport modes
Additional Hardware Features
Includes camera, calculator, and torch
Overall score
Specifications
| Spec | Fitbit Google Ace LTE | Monowul Smart Watch for Kids, 1.85" Fitness |
|---|---|---|
| Price | $99.95 | $35.99 |
| Connectivity | 4G LTE, GPS | Bluetooth Call |
| Battery Life | 16+ hours | — |
| Display Size | — | 1.85" |
| Contact Limit | 20 contacts | — |
| Sport Modes | — | 100+ modes |
| Health Sensors | Fitness tracker | Heart Rate, Blood Oxygen, Stress |
| Fast Charging | 11 hours in 30 mins | — |
| Camera | — | Yes |
| School Mode | Yes (School Time) | Yes (Class Mode) |
Dimension comparison
Design and build quality
The Fitbit Google Ace LTE is designed specifically as a kids smartwatch and fitness tracker aimed at moving the next generation of gamers. Its construction focuses on durability suitable for children while maintaining a form factor that appeals to younger users. The device is built to withstand daily activity and play. In contrast, the Monowul Smart Watch for Kids emphasizes customization and interactive elements. It features a DIY dial function allowing users to capture precious moments and set custom photo dials. The Monowul device is marketed as an excellent gift for boys and girls for various holidays, suggesting a design focused on broad appeal and versatility for different occasions.
Display and interface
Display specifications vary significantly between the two models. The Monowul Smart Watch features a vibrant 1.85-inch HD touchscreen. This large display size facilitates easier interaction for children navigating menus and games. It supports over 100 personalized watch faces that are regularly updated, providing visual variety. The Fitbit Google Ace LTE does not specify its display size in the provided data. However, it focuses on functionality through the Fitbit Ace app which is required for operation. The Monowul interface also supports multi-languages, enhancing accessibility for a wider range of users compared to the unspecified interface details of the Fitbit model.
Connectivity and communication
Connectivity is the primary differentiator for the Fitbit Google Ace LTE. It includes built-in cellular 4G LTE and GPS location capabilities. This ensures children are never out of reach even without a paired smartphone nearby. Users can make in-app calls and messages without a phone number, adding up to 20 contacts aged 13 and up. It works with Android 11.0 or newer and iOS 16 or newer. The Monowul Smart Watch relies on Bluetooth call functionality. While it allows for communication, it lacks the independent cellular connectivity and GPS tracking found in the Fitbit model. This makes the Fitbit option more robust for safety and location monitoring without dependency on a parent's phone proximity.
Health and fitness tracking
Health monitoring capabilities are more detailed in the Monowul Smart Watch. It acts as a 24/7 health guardian, smartly monitoring heart rate, blood oxygen, sleep, and stress levels around the clock. It analyzes sleep stages including light and deep sleep using a 2,000+ pediatric health database to generate actionable insights. It triggers vibration alerts for abnormal data to help detect risks like exercise overload. The Fitbit Google Ace LTE is described as a fitness tracker designed to move kids, but specific sensor data such as heart rate or blood oxygen is not explicitly detailed in the provided text. The Monowul device also includes a pedometer and sedentary or drink water reminders to encourage healthy habits throughout the day.
Battery life and efficiency
Battery performance is clearly defined for the Fitbit Google Ace LTE. It offers 16+ hours of battery life, designed to keep up with kids all day long. Additionally, it supports fast charging technology that provides 11 hours of battery life in just 30 minutes. This ensures minimal downtime during daily use. The Monowul Smart Watch does not specify battery duration or charging speeds in the provided data. While it includes many features like games and voice recording that consume power, the lack of specific battery metrics makes it difficult to compare efficiency directly. The Fitbit's confirmed endurance and rapid charging capability provide a known advantage for daily reliability.
Software and ecosystem
The Fitbit Google Ace LTE operates within a specific ecosystem requiring a Google account and the Fitbit Ace app. It includes School Time functionality which lets parents limit gameplay on the kid's watch during the day to help them focus. The Fitbit Ace Pass data plan provides access to calling, messaging, and location sharing, plus kids get every game title in the Fitbit Arcade. The Monowul Smart Watch includes a voice assistant, music, alarm clock, storybook, voice recorder, and learn card functions. It also features a class mode similar to the Fitbit's School Time. The Fitbit ecosystem appears more structured around parental controls and data plans, whereas Monowul offers a broader range of standalone utility tools like a calculator and torch.
Price and value
Price is a significant factor in this comparison. The Fitbit Google Ace LTE is priced at $99.95. This cost reflects the inclusion of cellular hardware and GPS technology. Users must also consider the Fitbit Ace Pass data plan for full functionality. The Monowul Smart Watch for Kids is priced at $35.99. This lower price point includes a wide array of features such as health monitoring, camera, and games without mentioning a mandatory data plan. For parents seeking a budget-friendly option with high feature density, the Monowul offers considerable value. The Fitbit commands a premium for its independent connectivity and brand ecosystem integration.
Which one should you buy?
Choosing between these devices depends on connectivity needs and budget. If independent location tracking and cellular calls without a phone are priorities, the Fitbit Google Ace LTE is the superior choice due to its 4G LTE and GPS capabilities. It is better suited for parents who want guaranteed contact with their children regardless of smartphone proximity. However, if value and health tracking features are more important, the Monowul Smart Watch is the winner. It offers a larger 1.85-inch display, comprehensive health sensors including blood oxygen and stress monitoring, and a significantly lower price. For general fitness and feature variety without the need for cellular data, the Monowul provides a compelling package.