My Candid Review After Two Months of Intensive Use

Connected Features

Notifications and calls

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Rich notifications. Reliable dictated answers. Clear calls indoors. Outside, it depends on the wind.

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Third-party music and apps

Spotify, Strava, HealthFit. Everything is going well. The watch performs well, the menus are fluid, the data arrives quickly. In short… it’s going great.

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Battery life in standalone mode (5G/eSIM)

In active 5G without iPhone, count on a busy day. Sport + streaming = battery melts faster. Logic.

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Sports use

Exercise App and Sports Profiles

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Running, trail running, cycling, swimming, recreational diving. Numerous profiles. Customizable fields. L'Apple Watch Ultra 3 sport speaks to demanding runners.

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Power and cadence measurement

Estimated running power at the wrist. Cadence displayed live. Compatible with Bluetooth bike sensors.

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Workout Buddy detailed

Synthetic voice. “Faster pace than usual.” “New 5 km record.” In the moment, it motivates. Afterwards… we can cut.

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Tracking running, cycling and indoor sports

In the race, clean track. By bike, stable speed. In the gym, consistent cardio. Nothing exotic. Just reliable.

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Analysis of training data and third-party apps (HealthFit, Strava)

Simple export to Strava. HealthFit offers advanced metrics. Training load. Balance. Here we go into detail.

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Maps & Route Tracking App

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GPX route import. Precise tracking. Off-track vibration alert. Useful in dense forest.

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Offline and personalized mapping

Downloadable maps. Consultation without network. Smooth zoom. Not at the level of a dedicated outdoor watch for extreme exploration, but solid.

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Comparison of satellite connectivity vs Garmin

Apple Satellite: simple emergency message. Garmin: more expedition-oriented functions. Two philosophies. It's up to you.

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Measurement accuracy

Heart rate (tests and scores)

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Low gap in endurance. More marked in short sprints. Very good overall score for an optical sensor.

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GNSS / GPS (field comparisons)

Dual active frequency. In dense city, clean track. Under forest cover, slight drift sometimes, but nothing dramatic.

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Altimeter and altitude profiles

Height difference consistent with reference GPX trace. Barometric altimeter responsive to rapid changes.

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Limitations and practical advice

Tighten the sports bracelet securely. Clean the sensor after session. And deactivate 5G if you go away from an outlet for a long time.

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Accessories and compatibility

Compatible external sensors

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  • Bluetooth cardio belts
  • Cycling cadence/speed sensors
  • Wireless headphones
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Bluetooth connection and third-party apps

Stable connection. Few dropouts. iPhone integration remains a strong asset.

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Final verdict

Highlights

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Ultra readable screen. Increased autonomy. Accurate GPS. Rich health functions. Frankly, I find this connected watch really excellent.

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Weak points

High price. Impressive format. Autonomy which drops in 5G + extended GPS. Not the lightest on the market.

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Who is this watch for?

For the demanding athlete. The trail runner. The cyclist. Anyone who wants a robust, connected watch and complete health monitoring without leaving the iPhone world.

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✅ BenefitsRead now!
  • Very bright screen
  • Autonomy in progress
  • Accurate dual frequency GPS
  • Advanced health features
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❌ DisadvantagesRead now!
  • High price
  • Bulky case
  • Energy-intensive 5G
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