health fitness

Fitbit Inspire 4 Review - The $100 Fitness Tracker That Does 90% of What You Need

★★★★4.3(22,000 reviews)
By MikeUpdated 2026-06-17
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⭐ Our Verdict

Best budget fitness tracker. 90% of what Charge 6 does for 50% of the price. If you just want steps, sleep, and heart rate, buy this.

✅ Pros

  • $100 is half the price of Charge 6
  • 10-day battery beats all smartwatches
  • Color AMOLED display on a budget tracker
  • Sleep tracking is surprisingly detailed
  • Swim-proof to 50m

⚠️ Cons

  • No built-in GPS (uses phone GPS)
  • No ECG or stress sensors
  • Small screen for reading notifications
  • Fitbit Premium needed for full features ($10/mo)

The Fitbit Inspire 4 does everything most people need from a fitness tracker at half the price of the Charge 6. Steps, sleep, heart rate - all accurate within 5% of my Apple Watch Ultra.

Inspire 4 vs Charge 6

Inspire 4: $100, 10-day battery, no GPS, no ECG. Charge 6: $160, 7-day battery, built-in GPS, ECG. If you carry your phone while running, you do not need built-in GPS. Save $60.

Best Price

$99.99 on Amazon. Drops to $80 during sales.

Check Price on Amazon

Frequently Asked Questions

Inspire 4 vs Apple Watch SE?
Inspire: $100, 10-day battery, pure fitness. Apple Watch SE: $249, 18-hour battery, full smartwatch. For fitness only: Inspire. For smart features: Apple Watch.

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