TezLab Free App

Rated 3.29/5 (24) —  Free Android application by HappyFunCorp


About TezLab

TezLab is a companion app for your EV. Track every trip you take in your car, compete against your friends on various metrics like distance traveled or efficiency. Control your car's climate, max charge level, and locks within the app.

It's the app your EV deserves.

A supported EV is required to use TezLab.

Disclaimer: This software and documentation are not provided or endorsed by the EV makers. Use TezLab at your own risk. TezLab uses some of the same interfaces used by the official EV apps, however, those interfaces are undocumented and unsupported by the EV vendors and HappyFunCorp cannot guarantee proper operation of TezLab. You are responsible for any changes to your car by using TezLab (car controls) as TezLab can unlock the car, and perform other functions on the car. HappyFunCorp is not liable for any damages to you, your car or any other object in conjunction with the use of this app.

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How to Download / Install

Download and install TezLab version 1.0 on your Android device!
Downloaded 1,000+ times, content rating: Everyone
Android package: com.happyfuncorp.tesla, download TezLab.apk

All Application Badges

For everyone
Android app

App History & Updates

What's Changed
TezLab Pro is now free! We've also added support for manual logins for those that would like to use TezLab without a social media account.

What are users saying about TezLab

by S####:

No chance to use the app if you don't give it almost full access to a Twitter or Facebook account. By chance, I don't have any of those.

by G####:

Great app, and looking forward to more functionality!

by Q####:

Been using it since beta. Really easy to use and offers a lot of features competitions don't

by B####:

Great app for Tesla Owners. Gives you very interesting statistics about your driving habits

by M####:

Nice app with decent information but $4.99 per month? You are kidding right. There is no functionality provided worth that much. Maybe as a one time purchase. People are way too enamored with subscription billing for simple apps like this.

by P####:

Must have Twitter or Facebook, don't want to deal with that nonsense!

by X####:

Cool app, like a runkeeper for your car. Not sure if i will continue after the trial since it is 5$ a month

by O####:

Ok functionality but also overly large app size (500+ MB)... Why is this the biggest app on my phone with fairly limited functionality?

by K####:

I enjoyed it until I started the app just now and it appears to have completely forgotten my profile, credentials, everything. I am not ready to use Twitter or Facebook to access so I cancelled subscription.

by H####:

I wanted to try this out to help track not only my driving efficiency but also my charging activity, especially on long trips and when I use superchargers. In general, the app is giving me what I hoped for however, after my first multi-day trip, I discovered that all my charging activity at superchargers that occurred more than a day ago is no longer visible in my activity log. So I don't have the record of this charging activity in the app anymore or I haven't been able to figure out how to pull it up again. Would be nice to include all the charging activity for the day in the daily e-mail reports or have a way of pulling up activity data for more than a day. Also, I like to see the actual kWh added in a charging session, I can always do the calculation based on the rated miles but it would be nice if the app showed both rated miles added during a charging session as well as the kWh added. For me, if I don't have the multi-day activity tracking I can't justify the 4.99 per month.

by N####:

An interesting and fun app for Tesla owners. A big problem for non-US owners is that efficiency, phantom drain and charge rates are calculated using 'Rated' mileage. For US owners this means the calculations show a much higher efficiency the European owners as the US EPA rating is much more realistic than the EU NEDC. This makes the efficiency league tables, a major feature of the app, meaningless. It would be much better to standardise on 'Typical or EPA.

by E####:

Since last update it won't let me sign in

by C####:

Unable to create an account via app. Next button remains greyed out despite filling in all fields.

by F####:

Works ok. However trying to view my own trips (under car, stats,trips) is slow sometimes to load, everything else is quick ui is a 7 or 8 out of 10 though. Good job One feature I'd like to see, is the ability to set fuel economy & price. I used to drive a BMW 335i, and would spend ~250$ a month on gas. In a month and a half, the app says i've only saved 157$ in gas, which should be more like 300$. Thanks!

by Y####:

A very cool app with a lot of potential. After a lot of crashes, I send some details to the developers. They fixed it within few days, now it works like a charm again. If you like stats, this app is perfect for you! Only the efficient rate is a little bit confusing, but we will see.

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Rating Distribution

24 users