Quick Answer: The Fitbit Charge 6 ($160) is better for most people—it has ECG, longer battery life (7 days vs 5), and costs $40 less than the Versa 4. Choose the Fitbit Versa 4 ($200) only if you want a larger screen and traditional watch look.
Choosing between the Fitbit Charge 6 and Fitbit Versa 4 is one of the most common dilemmas for Fitbit buyers. Both are excellent fitness trackers, but they serve different purposes. In this detailed comparison, I’ll break down exactly which one is right for you based on design, features, health tracking, and value.
Fitbit Charge 6 vs Versa 4: Quick Comparison
| Feature | Fitbit Charge 6 | Fitbit Versa 4 | Winner |
|---|---|---|---|
| Price | $159.95 | $199.95 | Charge 6 |
| Display | 1.04″ AMOLED | 1.58″ AMOLED | Versa 4 |
| Battery Life | 7 days | 5-6 days | Charge 6 |
| ECG | Yes | No | Charge 6 |
| EDA Stress Scan | Yes | No | Charge 6 |
| Built-in GPS | Yes | Yes | Tie |
| Google Maps | Yes | Yes | Tie |
| Google Wallet | Yes | Yes | Tie |
| Alexa | Yes | Yes | Tie |
| Phone Calls | No | Yes (Bluetooth) | Versa 4 |
| Water Resistance | 50m | 50m | Tie |
| Form Factor | Fitness band | Smartwatch | Preference |
Design and Display
The most obvious difference between these two Fitbits is their design. The Fitbit Charge 6 is a slim fitness band with a compact rectangular screen, while the Fitbit Versa 4 looks like a traditional smartwatch with a larger square display.
Fitbit Charge 6 Design
- Screen Size: 1.04-inch AMOLED touchscreen
- Dimensions: 36.7 x 22.7 x 11.2mm
- Weight: 30 grams (with band)
- Style: Slim fitness tracker, sits flat on wrist
- Side Button: Yes, for quick navigation
The Charge 6’s slim profile makes it comfortable for 24/7 wear, including sleep tracking and intense workouts. The smaller screen means text is harder to read, but it’s less bulky and looks more subtle on the wrist.
Fitbit Versa 4 Design
- Screen Size: 1.58-inch AMOLED touchscreen
- Dimensions: 40.5 x 40.5 x 12.2mm
- Weight: 37.6 grams (without band)
- Style: Square smartwatch design
- Side Button: Yes, physical button
The Versa 4’s larger screen is significantly easier to read, especially for notifications, messages, and workout stats. It has a more traditional watch appearance and offers more customizable watch faces.
Winner: Depends on preference. Choose Charge 6 for comfort and subtlety. Choose Versa 4 for readability and smartwatch style.
Health and Fitness Features
Here’s where things get interesting—the Fitbit Charge 6 actually has MORE health sensors than the more expensive Versa 4.
Fitbit Charge 6 Health Features
- ECG App: Detect signs of atrial fibrillation (AFib)
- EDA Scan: Electrodermal activity sensor for stress management
- SpO2: Blood oxygen monitoring
- 24/7 Heart Rate: Continuous heart rate tracking
- Skin Temperature: Nightly temperature variations
- Sleep Tracking: Sleep stages, sleep score, snore detection
- Stress Management: Stress score with guided breathing
- Active Zone Minutes: Heart rate zone tracking
- 40+ Exercise Modes: Auto-detection for popular workouts
Fitbit Versa 4 Health Features
- ECG App: No
- EDA Scan: No
- SpO2: Blood oxygen monitoring
- 24/7 Heart Rate: Continuous heart rate tracking
- Skin Temperature: Nightly temperature variations
- Sleep Tracking: Sleep stages, sleep score, snore detection
- Stress Management: Basic stress tracking (no EDA)
- Active Zone Minutes: Heart rate zone tracking
- 40+ Exercise Modes: Auto-detection for popular workouts
Winner: Fitbit Charge 6. The Charge 6 has ECG and EDA sensors that the Versa 4 lacks, making it the better choice for comprehensive health monitoring.
GPS and Workout Tracking
Both the Charge 6 and Versa 4 have built-in GPS, so you don’t need to carry your phone for accurate outdoor tracking. Both also support 40+ exercise modes with automatic workout detection.
GPS accuracy is comparable between both models, and they both integrate with Google Maps for turn-by-turn directions during outdoor activities.
Winner: Tie. Both have identical GPS and workout tracking capabilities.
Smart Features
Both Fitbits now include Google integration, making them more useful as smartwatches than previous generations.
Features on Both Devices
- Google Maps: Turn-by-turn navigation on your wrist
- Google Wallet: Contactless payments (replaced Fitbit Pay)
- YouTube Music: Control music playback
- Alexa Built-in: Voice commands and smart home control
- Notifications: Calls, texts, app alerts
- Quick Replies: Respond to messages with preset replies (Android only)
Versa 4 Exclusive Features
- Bluetooth Calls: Answer phone calls directly on the watch (with phone nearby)
- More Watch Faces: Larger selection of customizable faces
- On-screen Keyboard: Type replies on the larger screen
Winner: Fitbit Versa 4 for smart features, thanks to Bluetooth calling and the larger screen for notifications.
Battery Life
Battery life is a significant differentiator between these two devices.
| Usage | Charge 6 | Versa 4 |
|---|---|---|
| Normal Use | 7 days | 5-6 days |
| With Always-On Display | ~4 days | ~2-3 days |
| GPS Active | ~5 hours | ~5 hours |
| Charge Time | ~2 hours | ~2 hours |
Winner: Fitbit Charge 6. The Charge 6’s smaller screen and efficient design deliver 1-2 extra days of battery life.
Price and Value
Here’s where the Charge 6 really shines:
- Fitbit Charge 6: $159.95
- Fitbit Versa 4: $199.95 (often on sale for $149-179)
The Charge 6 costs $40 less while offering more health features (ECG, EDA). Unless you specifically need the larger screen or Bluetooth calling, the Charge 6 is the better value.
Winner: Fitbit Charge 6. More features for less money.
Fitbit Premium Subscription
Both devices work with Fitbit Premium ($9.99/month or $79.99/year), which unlocks:
- Detailed sleep analysis and insights
- Guided workout videos
- Mindfulness and meditation content
- Health metrics dashboard
- Wellness reports
Premium is optional—both watches work great without it for basic fitness and health tracking.
Who Should Buy the Fitbit Charge 6?
The Fitbit Charge 6 is the better choice if you:
- Want comprehensive health monitoring (ECG, EDA stress tracking)
- Prefer a slim, lightweight fitness band
- Need longer battery life (7 days)
- Want the best value for your money
- Plan to wear it 24/7 including sleep
- Don’t need to answer calls on your wrist
Who Should Buy the Fitbit Versa 4?
The Fitbit Versa 4 is the better choice if you:
- Want a traditional smartwatch look
- Need a larger, easier-to-read screen
- Want to answer phone calls on your wrist
- Prefer more watch face customization options
- Don’t need ECG or EDA tracking
- Prioritize aesthetics over health sensors
Frequently Asked Questions
Is Fitbit Charge 6 better than Versa 4?
For most people, yes. The Fitbit Charge 6 has more health sensors (ECG, EDA), longer battery life (7 days vs 5), and costs $40 less than the Versa 4. The only advantages of the Versa 4 are its larger screen and Bluetooth calling.
Does Fitbit Charge 6 have ECG?
Yes, the Fitbit Charge 6 has an ECG app that can detect signs of atrial fibrillation (AFib). Surprisingly, the more expensive Fitbit Versa 4 does not have ECG.
Can you answer calls on Fitbit Charge 6?
No, the Fitbit Charge 6 can show incoming call notifications and let you decline calls, but you cannot answer and talk through it. The Fitbit Versa 4 supports Bluetooth calling when your phone is nearby.
Which Fitbit has the longest battery life?
Among current Fitbit models, the Fitbit Inspire 3 has the longest battery at 10 days. Between the Charge 6 and Versa 4, the Charge 6 wins with 7 days versus the Versa 4’s 5-6 days.
Is Fitbit Versa 4 worth it over Charge 6?
The Versa 4 is only worth the extra $40 if you specifically want a larger screen for easier reading, the ability to answer phone calls, or a traditional smartwatch appearance. For health and fitness tracking, the cheaper Charge 6 is actually better.
Do Fitbit Charge 6 and Versa 4 have GPS?
Yes, both the Fitbit Charge 6 and Versa 4 have built-in GPS for accurate outdoor workout tracking without needing your phone. GPS accuracy is similar on both devices.
Related Fitbit Guides
- All Fitbit Models by Year – Complete guide to every Fitbit ever made
- Best Smartwatches for Seniors – Fall detection and easy-to-use options
- Best Smartwatches 2026 – Top picks across all brands
Final Verdict
Buy the Fitbit Charge 6 if you want the best health and fitness tracking for your money. It has more sensors, longer battery life, and costs less.
Buy the Fitbit Versa 4 if you prioritize a larger screen, smartwatch aesthetics, and the ability to take phone calls on your wrist.
For 90% of buyers, the Fitbit Charge 6 at $159.95 is the smarter purchase.