Comparison

Tessie vs David Energy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tessie

Enhance your Tesla ownership with advanced tracking, AI-powered control, and automation features. Monitor trips, battery health, charging, and receive real-time notifications. Integrates with smart home devices and offers web and Apple Watch control.

Highlights
  • Trip tracking
  • Battery health monitoring
  • AI-powered vehicle control
  • Automation with schedules and triggers
  • Real-time notifications
  • Apple Watch and web browser control
  • Smart home integrations
Features
Read full description

Join over 500,000 Tesla drivers using Tessie to track, automate and protect their vehicles. Try it free! Requires a subscription or one-time payment. Happiness guaranteed or your money back. - Track your trips - Track your battery and compare it to others - Track charging and phantom drain - Monitor and control your Tesla using AI, including ChatGPT, Claude & Grok - Automate your Tesla using schedules and triggers - Get notified about driving, charging, Sentry events and more - Add a live charging view to your Lock Screen - View real-time OBD-level diagnostics using Profiler - Use your Apple Watch to control your Tesla - Use your Mac or PC to control your Tesla from your web browser - Integrate your Tesla with Alexa, Home Assistant, HomeKit and more Plus, import your existing data from TezLab, TeslaFi, Teslascope and TeslaMate. All data is 100% yours. View it, use it, export it or delete it. Tessie is built from the ground up for security using industry-leading best practices. Terms: tessie.com/terms Have questions or need help? Chat with us at support@tessie.com!

About

David Energy

Optimize your electric vehicle charging to save money and reduce emissions. This app intelligently monitors wholesale energy markets to charge your car when prices are lowest. You set your charging needs, and the app handles the rest, providing insights into your savings and energy consumption.

Highlights
  • Intelligent charging optimization
  • Monitors wholesale energy market
  • Saves money on charging costs
  • Reduces CO2 emissions
  • Seamless car syncing and control
  • Tracks charging costs and consumption
Read full description

The future of charging is here: Charge your EV for less with smart charging from David Energy. Save money and reduce emissions with optimized charging that gives you access to lucrative wholesale energy discounts. You choose how much to charge and when you need your car ready - we do the rest. Charge smarter with David Energy: INTELLIGENT OPTIMIZATION • Automate charging better than manual schedules. • Smart charging algorithmically monitors the wholesale energy market to save you more on charging. SAVE MONEY AND CO2 • Power up at times when wholesale prices are low and save on your monthly energy bill. • Reduce emissions and grid strain when charging during optimal hours. SEAMLESS CONTROLS & CONNECTION • Sync your car to our secure portal in minutes. • Control your preferences at the touch of a button. TRACK COSTS & CHARGING • Receive a weekly email with insight into your EV’s costs, energy consumption, smart charging savings and more. _____ Have feedback or questions? Reach out to us at texas@davidenergy.com Find us on x: www.x.com/thedavidenergy

Screenshots

Tessie4 screens
David Energy4 screens

Verdict

The call

The clearest difference is in-app purchases: David Energy at none against Tessie's 10. David Energy also leads on rating (5.0 vs 4.8) and iOS requirement (13.4 vs 16.6). Tessie's advantage is ratings volume (9.7K vs 5). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tessie sells 10 in-app purchases, starting at $3.99 per month. David Energy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

David Energy holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tessie has 9.7K ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Tessie ships an update weekly, David Energy every 11 days. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
Tessie versus David Energy: the parameters behind the verdict, then further details
ParameterTessieDavid Energy
PriceFreeFree
Rating4.8 (9.7K ratings)5.0 (5 ratings) — better
Positive reviews63.7% of reviews—
Number of ratings9.7K — better5
Update frequencyWeekly — betterEvery 11 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.613.4 — better
Further details — not scored
Size259 MB42 MB
Age rating4+4+
DeveloperTessieDavid Energy Systems, Inc.

Customer experience

Tessie

All ratings9,718 ratings
Positive94.5%
Neutral2.0%
Negative3.5%
Written reviews595 reviews
Positive63.7%
Neutral7.4%
Negative28.9%

David Energy

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Tessie

Reported bugs

3 issues
  • Inaccurate weather data
  • Missing trip and charging history
  • Unreliable Apple Watch integration

Requested features

4 requests
  • Charging schedule and preconditioning options
  • More customization and widget support
  • Sentry mode camera access
  • Improved Apple Watch reliability

David Energy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Tessie

Subscriptions9
  • Legacy14 Days trial$3.991 Month
  • Legacy14 Days trial$4.991 Month
  • Legacy1 Month trial$4.991 Month
Show 6 more
  • Basic14 Days trial$6.991 Month
  • Pro14 Days trial$12.991 Month
  • Pro14 Days trial$14.991 Month
  • Legacy14 Days trial$49.991 Year
  • Basic14 Days trial$69.991 Year
  • Pro14 Days trial$129.991 Year
One-time1
  • Legacy (Lifetime)$199.99
None

David Energy

No in-app purchases

Questions

Is Tessie free?
Tessie is free to download, with in-app purchases available.
Is David Energy free?
David Energy is free to download, with no in-app purchases.
Which has better reviews, Tessie or David Energy?
David Energy is rated higher. Tessie averages 4.8 out of 5 from 9.7K ratings, while David Energy averages 5.0 from 5 ratings.
Do Tessie or David Energy have ads?
Neither Tessie nor David Energy shows ads.
Which is updated more often, Tessie or David Energy?
Tessie ships an update weekly, and David Energy every 11 days. Most recently, Tessie was updated on November 12, 2026 and David Energy on November 4, 2026.

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