Comparison

Netzero for Powerwall vs Zap Panels

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

Head to head
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/

About

Zap Panels

Features
Read full description

Zap Panels gives your Tesla Powerwall a simple, stylish, dedicated in-home display. A real-time dashboard showing exactly what your home energy system is doing right now. Ideal for wall or desk mounted displays. Monitor live power readings across solar generation, home consumption, battery charge and grid import/export. The home consumption breakdown shows exactly where your energy is coming from at any moment. Daily kWh totals, tariff cost tracking and a personalised solar generation forecast give you the full picture of your energy use. Octopus Agile customers can view live half-hourly import rates directly on the dashboard, updated automatically throughout the day. Intelligent Octopus Go users can view current tariff status, peak/off-peak and upcoming dispatch slots. Features • Live solar, home, battery and grid power readings • Home consumption breakdown by source: solar, battery and grid • Octopus Agile half-hourly import rates • Intelligent Octopus Go slots and rates • Daily kWh totals for all energy flows • Tariff cost tracking: import costs, export earnings and net daily spend • Solar generation forecast, auto-calibrated to your real system over time • Weather forecast • Full screen and landscape view for a dedicated energy display • Dark mode and light mode • Panel drag-to-reorder • Configurable poll speed, font size and display settings • Keep screen on mode for always-on display • Screen dimming scheduler • In-day charts • Historical charts with comparison tool • Data export • 14-day free trial, no subscription, one-time purchase to unlock premium features Not affiliated with or endorsed by Tesla, Inc. or Octopus Energy Ltd. Requires a Tesla Energy account.

Screenshots

Netzero for Powerwall4 screens
Zap Panels4 screens

Verdict

The call

The clearest difference is update cadence: Netzero for Powerwall at weekly against Zap Panels's every 3 weeks. On price, ads, in-app purchases 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. Netzero for Powerwall sells 2 in-app purchases, starting at $6.99 per month and Zap Panels sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Netzero for Powerwall ships an update weekly, Zap Panels every 3 weeks. The most recent releases landed on November 4, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Netzero for Powerwall versus Zap Panels: the parameters behind the verdict, then further details
ParameterNetzero for PowerwallZap Panels
PriceFreeFree
Rating4.8 (809 ratings) — better—
Positive reviews90.5% of reviews—
Number of ratings809 — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size61 MB15 MB
Age rating4+4+
DeveloperNetzero Labs, IncWilliam Lee

Bugs and requests

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

Zap Panels

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Netzero for Powerwall

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

Zap Panels

One-time1
  • Zap Panels Premium$4.99

Questions

Is Netzero for Powerwall free?
Netzero for Powerwall is free to download, with in-app purchases available.
Is Zap Panels free?
Zap Panels is free to download, with in-app purchases available.
Do Netzero for Powerwall or Zap Panels have ads?
Neither Netzero for Powerwall nor Zap Panels shows ads.
Which is updated more often, Netzero for Powerwall or Zap Panels?
Netzero for Powerwall ships an update weekly, and Zap Panels every 3 weeks. Most recently, Netzero for Powerwall was updated on November 4, 2026 and Zap Panels on October 24, 2026.

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