Last Updated: February 20, 2026
Tessie safety in 2026 comes down to permissions, account hygiene, and practical setup choices.
In a rush? Check Tessie safety settings and current offer.
If you’ve just discovered Tessie, or you’re thinking of connecting it to your Tesla, one of the first things you might be wondering is: Is the Tessie app safe? It’s a fair question-after all, you’re potentially giving a third-party app access to your car.
In this post, I’ll walk you through what Tessie is, how it works with your Tesla, and most importantly, how safe and secure it really is, especially for drivers in the UK.
What Is Tessie?
Tessie is a third-party companion app for Tesla owners. It unlocks powerful features not available in the official Tesla app-things like:
- Detailed trip tracking and cost analysis
- Real-time battery health insights
- Smart automations and alerts
- Integration with iPhone/Android widgets and even smartwatches
- Full web dashboard access
- API access for developers and power users
It’s popular with Tesla owners who want more control and visibility over their vehicle data. If you're curious to try it out, Tessie offers a 14-day free trial when you sign up using this referral link. No cables or hardware needed, just connect and go.
However, before you do, it’s essential to understand how secure your data (and your car) will be.
Is Tessie Safe to Use?
**Yes, the Tessie app is safe-**but let’s break down exactly why.
1. No Passwords Shared
Tessie never sees or stores your Tesla login or password. Instead, it uses Tesla’s official OAuth login process. This means you log in directly with Tesla, and Tessie only receives a secure token, just like how apps like Google Fit or Apple Health use secure logins.
2. Read-Only Access by Default
By default, Tessie has read-only access to your Tesla’s data. That means it can read things like battery level, trip stats, and charging information, but it can’t control your car unless you choose to give it write access (for example, to unlock doors or start climate remotely).
If you want full peace of mind, you can leave Tessie in read-only mode.
3. End-to-End Encryption
Tessie uses end-to-end encryption for all your data. According to Tessie, your data is never sold, shared, or accessible by anyone else, not even them. All data stays under your control.
4. Data Ownership
Unlike some apps and services that collect and sell data, Tessie gives you full ownership. You can download, export, or delete your data at any time.
5. Secure Cloud Access
Tessie’s cloud infrastructure uses industry-standard security protocols (including HTTPS and token-based authentication). Their services run in secure, audited environments designed to protect your data.
What Does Tessie’s Privacy Policy Say?
Tessie is built with user privacy at its core. If you’re asking, “Is the Tessie app safe?”, their privacy policy makes a few things very clear:
“Tessie is built for you – and only you.”
“Data is 100% private: Tessie shares no account or vehicle data with any third party.”
“Data is 100% yours: View it, use it, export it or delete it.”
(Privacy Policy, last updated August 14, 2024)
Here are a few highlights worth noting:
- You own your data: You can export or delete it at any time.
- No data selling: Tessie states they will never sell, rent, or share your personal info with third parties.
- Minimal data collection: The only personal info collected is your email address, used to create your account.
- End-to-end encryption: All data is transmitted securely.
- Built-in account controls: You can delete your account or manage your data preferences at any time.
You can read the full official privacy policy here for more details.
These transparent practices are one of the reasons Tessie is trusted by thousands of Tesla owners who want more insight into their vehicle without compromising security.
Is Tessie Safe for UK Tesla Owners?
Absolutely. Whether you're using Tessie in London, Cornwall, or the Highlands, it works seamlessly with UK Teslas and complies with GDPR data protection laws.
Plus, it’s already being used by thousands of Tesla drivers in the UK who want better insights into their vehicle and smarter features that the official Tesla app doesn’t offer.
Extra Peace of Mind: Read-Only Mode
Still unsure? You can test-drive Tessie in read-only mode. That way, it can’t send any commands to your car, but you’ll still get access to useful features like:
- Live data dashboards
- Battery health tracking
- Trip logging and cost per mile
- Supercharger session tracking
- Charging reminders
✅ Verdict: Is Tessie App Safe?
Yes! Tessie is safe to use, especially when left in read-only mode.
It’s a powerful tool for Tesla owners who want more data, automation, and insight. With strong encryption, secure authentication, and full control over what permissions you grant, Tessie is a trusted companion app for EV drivers.
My Experience Connecting Tessie to My Tesla Model 3
When I first considered connecting a third-party app to my Tesla Model 3 Long Range, I had the exact same safety concerns as most owners. I started in Tessie's read-only mode – meaning it could see my data but couldn't send any commands to the car. After a few weeks monitoring trip stats, battery health, and charging costs without incident, I was confident enough to grant full access. I'm now on Tessie's free lifetime plan having earned it through referrals, and in all that time there has never been any unexpected behaviour with my car or data.
Steven | Tesla Model 3 Long Range owner, Cornwall
Try Tessie Free with My Referral Link
Thinking of giving Tessie a go? Use my referral link to get a 14-day free trial and see what it can do for you. No hardware required, just connect your Tesla and go.
Quick action: Check Tessie safety settings and current offer.
Final take: use this route if it fits your real use-case, confirm terms before signup, and prioritize consistency over hype.
Start here: Check Tessie safety settings and current offer.
I’m Steven, founder of MoneyAppReviews. I test money apps, referral programs, and EV tools in real life before I write about them. I drive a 2021 Tesla Model 3 Long Range, use Octopus Intelligent Go for home charging, and regularly track costs, savings, and app performance over time. I focus on practical, evidence-based reviews that help people decide what is actually worth using, not just what pays the highest commission.