Comparison

Watchla for Tesla vs Netzero for Powerwall

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

Head to head
About

Watchla for Tesla

Control your Tesla directly from your Apple Watch with this app. It offers remote access, real-time vehicle data, and the ability to use your watch as a Bluetooth key, even offline. Customize commands and shortcuts for a seamless experience.

Highlights
  • Full Tesla control from Apple Watch
  • Use Apple Watch as Bluetooth Tesla Key
  • Offline vehicle control
  • Real-time vehicle data display
  • Perform vehicle commands
  • Apple Watch complications
  • Siri Shortcuts support
Features
Read full description

Watchla delivers full control of your Tesla to the convenience of your wrist. With a beautiful, clean & effective UI, Watchla is an Apple Watch app for Tesla that aims to replace your phone for most of your remote access needs with your Tesla. No more pulling your phone out of your pocket every time you want to check on your Tesla or tell it to do something. With Watchla all you have to do is raise your wrist to start interacting with your Tesla. Watchla, being a fully capable Tesla watch app, can: - Connect to your Tesla over Bluetooth - Enable your Apple Watch to become a Bluetooth Tesla Key for your Tesla - Control your Tesla while offline - Show you real-time data about your Tesla like charge state, climate state, door closures & more, even while offline - Perform vehicle commands While also supporting: - Apple Watch complications to keep you up to date with your Tesla right from your watch face - Siri Shortcuts (available on Apple Watch) - Custom command layouts - Remote start - Multiple Tesla vehicles - Remote door unlatch, for all doors (subject to vehicle compatibility) + much more! Watchla is also supported by a robust iOS companion app that you can use to easily configure the watch app and manage your Watchla experience, including: - customize watch app command layout - add & customize Siri Shortcuts - switch selected Tesla - manage preferences (including watch app preferences) - manage vehicle-interaction settings + much more & more to come! In addition, the Watchla team is always listening. Request a feature for Watchla here: https://watchla.app/feedback/#req-new-feature Disclaimer: Watchla is not owned or endorsed by Tesla Inc. Watchla utilizes Tesla’s Bluetooth protocol to safely & securely provide you with remote access to your Tesla from your Apple Watch. The Watchla Apple watch app is an independent watch app and (aside from initially adding your vehicles) doesn't need its iOS companion app to perform normally. Bluetooth functionality, including Watch Key, will continue to work without internet. Using Bluetooth and Tesla Key functionality is subject to vehicle compatibility. TLDR; yes, you can use a Wi-Fi only Apple Watch to control your Tesla without your phone nearby if your Tesla is included in the list below :) Tesla vehicles compatible with Bluetooth & Tesla Apple Watch Key support: - Model 3 - Model Ys - Cybertruck - Model S (year 2021 or newer) - Model X (year 2021 or newer) Download Watchla, the ultimate Tesla watch app and experience total control over your Tesla, from the convenience of your wrist. Made in Colorado

About

Netzero for Powerwall

Automate your home energy system to maximize savings and monitor your Powerwall's health. Integrate with utility providers for dynamic pricing and receive alerts for solar or battery issues. Gain insights into energy production and use your device as a home energy dashboard.

Highlights
  • Powerwall automation and scheduling
  • Utility tariff integration
  • Solar production monitoring
  • Powerwall health alerts
  • Home energy dashboard
  • Advanced diagnostics
Features
Read full description

Increase savings with Powerwall automation and utility integrations. Connect your energy devices, monitor Powerwall health, and detect solar issues early. Advanced features require a subscription after a 30-day free trial. - Take charge of your Powerwall. Schedule charging, discharging, and backup settings. Export stored energy to the grid when export prices are highest, or before a period of cheap or free electricity. Prevent unnecessary discharge during EV charging and improve efficiency. Automate your home energy with device integrations. - Connect your EV charger, EV, and heating/cooling devices. Pre-heat or pre-cool your home when electricity is cheap, or pause EV charging and heating/cooling during outages. Supports 500+ devices across 50+ brands. - Octopus Energy users benefit from automatic Powerwall charging during Intelligent Octopus Go sessions. Supports Agile Octopus, Tibber, Amber Electric, ComEd Hourly Pricing, and Ameren Power Smart Pricing. Netzero configures Powerwall with live pricing to help cut your bills. - Receive automatic alerts for solar or battery issues. Track Powerwall capacity and degradation to stay within warranty limits. - Get daily, monthly, and yearly production estimates. Spot solar performance issues early. Use the app on your tablet or phone as an always-on home energy dashboard. - Download detailed data, view string-level solar performance, access weather data and developer tools, and enjoy ongoing feature updates. Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Watchla for Tesla4 screens
Netzero for Powerwall4 screens

Verdict

The call

The clearest difference is review sentiment: Netzero for Powerwall at 90% against Watchla for Tesla's 34%. Netzero for Powerwall also leads on rating (4.8 vs 4.1). On price, ratings volume, update cadence and ads 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. Watchla for Tesla sells 3 in-app purchases, starting at $0.99 per 7 days and Netzero for Powerwall sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Netzero for Powerwall holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 1.6K and 775 respectively. Written reviews point the same way: 34% of Watchla for Tesla's written reviews are positive against 90% of Netzero for Powerwall's.

UpkeepUpdate frequency

Watchla for Tesla ships an update every 9 days, Netzero for Powerwall weekly. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
Watchla for Tesla versus Netzero for Powerwall: the parameters behind the verdict, then further details
ParameterWatchla for TeslaNetzero for Powerwall
PriceFreeFree
Rating4.1 (1.6K ratings)4.8 (775 ratings) — better
Positive reviews33.7% of reviews90.4% of reviews — better
Number of ratings1.6K — better775
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size216 MB60 MB
Age rating4+4+
DeveloperVillegas Ventures LLCNetzero Labs, Inc

Customer experience

Watchla for Tesla

All ratings1,559 ratings
Positive75.3%
Neutral4.8%
Negative19.9%
Written reviews463 reviews
Positive33.7%
Neutral6.9%
Negative59.4%

Netzero for Powerwall

All ratings775 ratings
Positive94.8%
Neutral1.7%
Negative3.5%
Written reviews563 reviews
Positive90.4%
Neutral2.8%
Negative6.7%

User reviews

Watchla for Tesla

From 1.6K App Store ratings

What we love

  • 🚀 Seamless Bluetooth integration
  • 👍 Intuitive watch interface
  • 🔒 Secure authentication process
  • 💡 Useful watch complications
  • 🚀 Responsive app performance

Room to improve

  • 🐛 Frequent connection issues
  • 🔋 Battery drain concerns
  • 🐛 Inconsistent functionality
  • 🐛 Unreliable Siri commands
  • 🐛 Buggy after updates

Netzero for Powerwall

From 775 App Store ratings

What we love

  • 🚀 Indispensable for home energy nerds
  • 🚀 Amazing Diagnostic Tool
  • 🚀 Awesome app to extend Tesla capabilities
  • 🚀 Outstanding
  • 🚀 Great App + Great Support

Room to improve

  • 🐛 Something changed?
  • 🔧 Good but needs more tariff options
  • 🐛 May not be compatible with PW3
  • 🐛 Difficult

Bugs and requests

Watchla for Tesla

Reported bugs

5 issues
  • App crashes after recent Tesla API updates
  • Watch app disappearing from device
  • Charge status and mileage not updating correctly
  • Inability to re-authenticate after token expiration
  • Incompatibility with certain Tesla models

Requested features

5 requests
  • Ability to switch between multiple vehicles
  • More customization options for watch complications
  • Improved Siri integration and voice command support
  • Faster Bluetooth connection and response times
  • Better error handling and feedback

Netzero for Powerwall

Reported bugs

2 issues
  • May not be compatible with PW3
  • Diagnostic screen stays black

Requested features

2 requests
  • stop battery charging?
  • AND function on the conditionality

In-app purchases

3 purchases

Watchla for Tesla

Subscriptions3
  • Watchla Pro - Weekly Sub.3 Days trial$0.997 Days
  • Watchla Pro - Monthly Sub.3 Days trial$1.991 Month
  • Watchla Pro - Annual Sub.3 Days trial$17.991 Year
2 purchases

Netzero for Powerwall

Subscriptions2
  • Netzero Pro - Monthly$6.991 Month
  • Netzero Pro - Annual$69.991 Year

Questions

Is Watchla for Tesla free?
Watchla for Tesla is free to download, with in-app purchases available.
Is Netzero for Powerwall free?
Netzero for Powerwall is free to download, with in-app purchases available.
Which has better reviews, Watchla for Tesla or Netzero for Powerwall?
Netzero for Powerwall is rated higher. Watchla for Tesla averages 4.1 out of 5 from 1.6K ratings, while Netzero for Powerwall averages 4.8 from 775 ratings.
Do Watchla for Tesla or Netzero for Powerwall have ads?
Neither Watchla for Tesla nor Netzero for Powerwall shows ads.
Which is updated more often, Watchla for Tesla or Netzero for Powerwall?
Watchla for Tesla ships an update every 9 days, and Netzero for Powerwall weekly. Most recently, Watchla for Tesla was updated on October 17, 2026 and Netzero for Powerwall on October 16, 2026.

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