Fitness Trackers vs GPS Watches for Kids

Walk into any electronics store and you’ll see rows of wrist-worn devices. Fitness trackers, GPS watches, smartwatches - what’s the difference, and which does your young athlete actually need?

The Key Difference

Fitness Trackers: Count steps, track basic activity, maybe monitor heart rate. They estimate distance based on stride length.

GPS Watches: Use satellites to track exact location and distance. Everything a fitness tracker does, plus accurate pace, route mapping, and often advanced sports features.

The price difference: Fitness trackers cost $30-100. GPS watches cost $150-400+.

What Fitness Trackers Do Well

Fitbit Ace 3 ($79.99)

• Step counting
• Active minutes
• Sleep tracking
• Basic heart rate
• Fun challenges for kids

Best for: Kids 6-12 who need activity motivation

Garmin vivofit jr. 3 ($79.99)

• Step counting
• Chore tracking
• Adventure games
• Parent controls

Best for: Kids 5-10 who need activity encouragement

What GPS Watches Add

Garmin Forerunner 55 ($199.99)

• Accurate distance and pace
• Route mapping
• Advanced running metrics
• Multi-sport modes
• 2-week battery life

Best for: Runners, triathletes, serious athletes

Garmin Bounce ($149.99)

• Real-time GPS tracking
• Location sharing
• 2-way messaging
• LTE connectivity

Best for: Safety-conscious parents of kids 6-12

Apple Watch SE ($249)

• GPS + cellular options
• App ecosystem
• Fall detection
• Music streaming

Best for: Teens in the Apple ecosystem

Which Does Your Kid Need?

Choose a Fitness Tracker If:

• • Your child is under 10
• • You just want activity motivation
• • Accuracy isn’t critical
• • Budget is under $100
• • They don’t run or cycle for distance

Choose a GPS Watch If:

• • Your child runs, bikes, or swims for distance
• • They want accurate pace and route data
• • Safety/location tracking is important
• • They’re 10+ and serious about sports
• • Budget allows $150+

The Safety Factor

One advantage of GPS watches often overlooked: location tracking.

For parents of kids who:

• Walk or bike to practice alone
• Attend large tournaments
• Are in areas with poor cell coverage

A GPS watch with location sharing (like Garmin Bounce) provides peace of mind that a fitness tracker cannot.

Our Recommendations by Age

Ages 5-9

Skip wearables entirely or get a basic fitness tracker like Fitbit Ace 3 ($79.99) for motivation.

Ages 10-13

• For safety: Garmin Bounce ($149.99)
• For activity: Fitbit Ace 3 ($79.99)
• For running: Garmin Forerunner 55 ($199.99)

Ages 14-18

• General athlete: Garmin Forerunner 55 ($199.99)
• Apple family: Apple Watch SE ($249)
• Endurance athlete: Garmin Forerunner 255 ($349.99)

Common Mistakes

• Buying too much watch for a young kid - They won’t use 90% of features
• Expecting accuracy from fitness trackers - They estimate, not measure
• Ignoring battery life - Kids forget to charge devices
• Assuming all GPS watches do the same thing - Features vary widely

The Bottom Line

For most young athletes under 10, a basic fitness tracker (or nothing at all) is the right choice. Focus on fun and fundamentals.

For kids 10+ who are serious about sports - especially running, cycling, or swimming - a GPS watch becomes valuable.

And for any child where safety is a priority, a GPS watch with tracking is worth the investment.

Battery Life: The Hidden Deal-Breaker

Battery life matters more for kids than adults. Adults charge devices nightly as routine. Kids forget, lose chargers, and let devices die mid-game. Here’s what to expect in real-world use:

Device	Claimed Battery	Actual (GPS Active)	Charge Time
Fitbit Ace 3	8 days	6-7 days	2 hours
Garmin Bounce	1 day (GPS)	8-10 hours	1.5 hours
Garmin Forerunner 55	2 weeks	20 hours GPS	1.5 hours
Apple Watch SE	18 hours	5 hours GPS	1.5 hours

The Fitbit Ace 3 wins handily here. A full week between charges means most kids only need to charge it on weekends. GPS watches need charging after every practice or game, which is far less forgiving.

Water Resistance Explained

“Water resistant” doesn’t always mean “swim safe.” The ratings break down like this:

• IP68 / 5ATM (Fitbit Ace 3, Garmin watches): Safe for swimming pools and showers. Can handle splashes, rain, and accidental submersion.
• IPX7 (some budget trackers): Survives brief accidental dunks. Not safe for swimming.
• No rating: Keep it dry.

If your child does any water sports, swim team, or water polo, confirm the device is rated for continuous submersion at 50 meters (5ATM). Anything less is a gamble.

Total Cost of Ownership

The sticker price is only part of the cost. Factor in these recurring expenses:

• Replacement bands: $10-25 per band, and kids need new ones every 6-12 months as bands crack, stain, or get lost
• Screen protectors: $8-15 for a 2-pack. Worth it for any device over $100
• Cellular plans: The Apple Watch SE and Garmin Bounce offer optional cellular. Expect $10/month for independent connectivity
• App subscriptions: Garmin Connect and Fitbit are free. Some third-party training apps charge $5-15/month

Over two years, a $80 Fitbit Ace 3 costs about $110 total. A $250 Apple Watch SE with cellular runs closer to $530. Make sure the features justify the ongoing expense.

The Bottom Line

For most young athletes under 10, a basic fitness tracker or nothing at all is the right choice. Focus on fun and fundamentals.

For kids 10+ who are serious about sports, especially running, cycling, or swimming, a GPS watch becomes valuable.

For detailed GPS watch reviews, check our best GPS watches guide and heart rate monitors guide.