Comparison

ev.energy 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

ev.energy

Automate your electric vehicle charging to save money and use greener energy. Schedule charging for off-peak hours or when solar power is available. Track usage, costs, and carbon impact.

Highlights
  • Automated EV charging
  • Schedule charging for off-peak hours
  • Solar smart charging
  • Track charging costs and carbon impact
  • Boost charging on demand
  • Earn reward points
Features
Read full description

ev.energy is a must have for any electric car owner. Stop wasting money on expensive charging and automate your home EV charger with the greenest energy at the lowest price. Let’s plug into better! SAVE MONEY, HELP THE PLANET • We manage EV charging on your electric car • Shift away from dirty, expensive energy at peak times • Automatically charge using the greenest, cheapest energy available SET IT AND FORGET IT • Simply plug in your car at home and set when you need it ready by • We'll take care of the rest by automatically charging from the grid during off-peak hours • We're compatible with any energy rate, so if you're on flat rate you'll still be helping out the environment! CHARGE WITH SUNSHINE • Our clever solar smart charging algorithm uses your self-generated solar power to deliver 100% renewable energy to your EV NO EXTRA HARDWARE REQUIRED* • Tesla and selected smart cars** can charge with any home set up • Smart charge any electric vehicle using a compatible smart home charger EASILY TRACK YOUR USAGE • See a breakdown of your recent charging sessions • Quickly track your overall cost, carbon impact and consumption from charging your EV at home and on-the-go READY WHEN YOU NEED IT • Need your car to charge right away? Override our smart ev charging schedule at any time by tapping the Boost button. GET REWARDED • Earn reward points by smart charging and spend them on smart rewards, from gift cards to zero carbon EV charging with carbon off-setting. ev.energy - the greener, cheaper, smarter way to charge your car. ----- If you're using the ev.energy app, we’d love to know what you think. Is there something we can improve? Let us know via support@ev.energy. Want to keep up with the latest EV news? Like us on Facebook - https://www.facebook.com/evdotenergy Follow us on Instagram - https://www.instagram.com/e.v.energy/ Privacy Policy: http://ev.energy/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ----- *Smart car users will not need a compatible charger to use the ev.energy app. **Smart cars currently compatible with ev.energy are as follows: Tesla VW (excluding ID series) Audi BMW Jaguar Renault SEAT Skoda (excluding Enyaq) Porsche Mini Volvo

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

ev.energy4 screens
Netzero for Powerwall4 screens

Verdict

The call

ev.energy and Netzero for Powerwall both sit at 4.8 stars, but that hides the real split: 90% of Netzero for Powerwall's written reviews are positive against 30% of ev.energy's. Netzero for Powerwall also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (16.4 vs 18.6). ev.energy's advantage is ratings volume (3K vs 804). On price, rating, ads and in-app purchases 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. ev.energy sells 2 in-app purchases, starting at $10.00 per month 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

On the App Store both sit at effectively the same score — 4.8 for ev.energy against 4.8 for Netzero for Powerwall. Both are backed by a comparable volume of ratings — 3K and 804 respectively. Written reviews are what separate them: 30% of ev.energy's written reviews are positive against 90% of Netzero for Powerwall's.

UpkeepUpdate frequency

ev.energy ships an update every 2 weeks, Netzero for Powerwall weekly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
ev.energy versus Netzero for Powerwall: the parameters behind the verdict, then further details
Parameterev.energyNetzero for Powerwall
PriceFreeFree
Rating4.8 (3K ratings)4.8 (804 ratings) — better
Positive reviews30.4% of reviews90.5% of reviews — better
Number of ratings3K — better804
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS18.616.4 — better
Further details — not scored
Size90 MB61 MB
Age rating4+4+
Developerev.energyNetzero Labs, Inc

Customer experience

ev.energy

All ratings3,000 ratings
Positive95.5%
Neutral1.1%
Negative3.4%
Written reviews270 reviews
Positive30.4%
Neutral9.6%
Negative60.0%

Netzero for Powerwall

All ratings799 ratings
Positive95.0%
Neutral1.6%
Negative3.4%
Written reviews566 reviews
Positive90.5%
Neutral2.8%
Negative6.7%

User reviews

ev.energy

From 3K App Store ratings

What we love

  • 🚀 Saves money on charging
  • 🔋 Optimizes charging schedule
  • 💡 Integrates with utility provider
  • 👍 Convenient and easy to use
  • 🚀 Tracks charging history and costs

Room to improve

  • 🐛 Unreliable smart charging functionality
  • 🐛 Disconnects from vehicles frequently
  • 🐛 Inaccurate charging data and reporting
  • 🔒 Privacy concerns with location tracking
  • 👎 Poor customer support and unresponsive

Netzero for Powerwall

From 804 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

ev.energy

Reported bugs

4 issues
  • App crashes and freezes
  • Charging sessions not recorded properly
  • Difficulty connecting and setting up accounts
  • Incorrect electricity rate calculations

Requested features

4 requests
  • Ability to manually set charging schedules
  • Support for more home charger brands
  • Improved notifications for charging status
  • Integration with more electric vehicle models

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

2 purchases

ev.energy

Subscriptions2
  • ev.energy SOLAR (Monthly)1 Month trial$10.001 Month
  • ev.energy SOLAR (Yearly)1 Month trial$100.001 Year
2 purchases

Netzero for Powerwall

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

Questions

Is ev.energy free?
ev.energy 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, ev.energy or Netzero for Powerwall?
Netzero for Powerwall is rated higher. ev.energy averages 4.8 out of 5 from 3K ratings, while Netzero for Powerwall averages 4.8 from 804 ratings.
Do ev.energy or Netzero for Powerwall have ads?
Neither ev.energy nor Netzero for Powerwall shows ads.
Which is updated more often, ev.energy or Netzero for Powerwall?
ev.energy ships an update every 2 weeks, and Netzero for Powerwall weekly. Most recently, ev.energy was updated on October 29, 2026 and Netzero for Powerwall on October 30, 2026.

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