Late in cycle — a new model is likely coming
Best for: Anyone who wants serious health and fitness tracking without the bulk or cost of a full smartwatch. Works with both Android and iPhone, making it the most accessible Fitbit tracker in the lineup.
Full details →First-generation product — no release history to base predictions on
Best for: Android users who want full Wear OS 5 — Google Maps, Google Wallet, Play Store — with longer-than-average battery life without paying premium Galaxy Watch or Pixel Watch prices. Not for iPhone users: OnePlus Watch 3 does not support iOS.
Full details →| Fitbit Charge | OnePlus Watch | |
|---|---|---|
| Tier | Fitness Tracker | Smartwatch |
| Platform | iOS & Android | Android only |
| Battery | 7 days | 5 days |
| Always-on display | ❌ | ✅ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Released | Sep 28, 2023 | Apr 10, 2025 |
| Cycle length | 731 days | — |
| Cycle advice | bad | neutral |
| Deals advice | great | neutral |
| Next model | Fitbit Charge 7 (Expected 2026) | — |
Full ECG, electrodermal activity stress sensing, SpO2, and continuous heart rate in a tracker thinner than most smartwatches.
Google Maps navigation, Google Wallet NFC payments, and YouTube Music controls — more useful on-device apps than any previous Charge.
7 days of typical use, dropping to around 30 minutes per GPS workout session before needing a charge.
The dual-engine Snapdragon W5 + BES2800 co-processor architecture delivers up to 5 days in Smart Mode — 2–3× longer than most Wear OS rivals. A 10-minute charge provides a full day of use.
L1 + L5 dual-band GPS gives running and cycling route accuracy typically found only on $500+ sports watches — accurate to within metres even in urban canyons.
Google Maps turn-by-turn navigation, Google Wallet contactless payment, and Play Store app access — plus Google Health Connect integration for the full Android wearables ecosystem.