Wristla — a health tracker for your Tesla.
Understand where your charge goes, how the battery changes, and what affects your car's longevity. Wristla analyses your trips, charging, and Tesla telemetry to help you drive more efficiently and gently every day.
Start free trial
Official Tesla Fleet API · OAuth · Your Tesla password stays with Tesla
GPS tracks · multi-car
Family or solo portal · multi-car · multi-driver
One subscription for a family or a solo owner. Connect up to 3 Teslas, add up to 5 extra drivers to each car's Tesla profile - and every driver gets their own efficiency and trip stats with separate ratings.
Alex · Rosa 2 34.60 km 187 +2.1 kWh
Stefan 2 40.40 km 164 +1.4 kWh
Daily Efficiency Score
Every trip and charge session is scored across 40+ telemetry metrics. At the end of each day you get a summary with a composite efficiency score, style breakdown and specific insights for your car.
Where you stand
See how your daily efficiency compares with other Wristla drivers. Anonymously: you see where you stand, and the drivers you are compared with never see your car, your trips or your score.
Better than 82% of other Wristla drivers
Comparisons are built from anonymous aggregates only: medians and ranges, with no names, VINs or locations. The drivers you are compared with never see your car or your numbers, and when there are not enough similar cars yet, Wristla simply doesn't compare.
Telemetry Factors
Daily Insights
The system calibrates to your personal driving profile over 7-30 days. Every comparison uses your own rolling baseline by context and temperature - not fixed industry averages.
Pace of Aging
How fast your car is aging relative to normal. A pace of 1.0x means standard aging. Below 1.0x - you are taking excellent care. Above 1.0x - harsh usage is accelerating wear. Based on 5 health components measured over a 30-day rolling window.
Where you stand
Aging pace, battery health and parked drain are compared with similar cars: the same model and, wherever there are enough of them, the same battery and model years. Anonymously, like every comparison in Wristla.
Among the best 25% of similar Model Y
Above the median of Model Y with a Long Range battery
Below the median of Model Y of the same years
Health Components
Measured from real charge cycles, not the estimated range on your dashboard. The system needs at least 7 days of data to begin tracking and grows more accurate over time.
Personal Tesla Assistant
An AI chat that knows your car - full trip and charge history, live telemetry, alerts and error logs, and the official Tesla owner's manual for your model.
Reads your data through the official Tesla Fleet API. The assistant only sees your account.
Trip Analytics
Every trip is automatically detected and scored across all 7 efficiency factors plus driving style. You get a complete breakdown - what went well, what cost extra energy, and why.
Trips are detected from Tesla Fleet Telemetry in real time. Each session is scored against your personal 30-day rolling baseline by context (city, mixed, highway) and temperature.
Charge Analytics
Every charge session is tracked with full detail - energy added, cost, peak rate, efficiency and optimisation insights. Supercharger and home charging, all in one place.
Charge Scoring
Matched with Tesla billing data when available. The system tracks your DC/AC charging ratio and average end-of-charge level over time to flag habits that accelerate degradation.
Garmin Watch Face & App
Tesla on your wrist. See battery, range, lock state and efficiency at a glance. Send commands - lock, climate, charge port - without touching your phone.
Watch Face
Battery, range, charging speed, lock, sentry, climate - updated live. Plus heart rate, steps, stress and weather.
Wearable App
Lock/unlock, climate control, charge port, trunk, lights and media - all from your wrist.
Your watch is a Tesla key
With Wristla open on the watch, walk up and the car unlocks. Lock, trunk, frunk, charge port and climate go straight to the car over Bluetooth: no phone in your pocket, no mobile signal needed.
Set up once online with a tap of your Tesla key card. The key works while your Wristla subscription or trial is active; the watch just needs to sync at least every 14 days.
Compatible with Forerunner, fenix, Instinct, tactix, MARQ, Descent and Enduro series.
What's yours stays yours
Wristla runs on subscriptions, not on your data. Everything is built so your data stays yours — and works for you.
More details in the Privacy Notice.
*Based on anonymised, aggregated data from active Wristla Analytics subscribers with at least 30 days of driving history. Individual results depend on vehicle model, driving conditions and usage patterns.