Netzero for Powerwall vs Zap Panels
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Powerwall automation and scheduling
- Utility tariff integration
- Solar production monitoring
- Powerwall health alerts
- Home energy dashboard
- Advanced diagnostics
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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/
Zap Panels
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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
Verdict
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
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.
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.
| Parameter | Netzero for Powerwall | Zap Panels |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (809 ratings) — better | — |
| Positive reviews | 90.5% of reviews | — |
| Number of ratings | 809 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Netzero Labs, Inc | William 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
Netzero for Powerwall
- Netzero Pro - Monthly$6.991 Month
- Netzero Pro - Annual$69.991 Year
Zap Panels
- Zap Panels Premium$4.99
Questions
Is Netzero for Powerwall free?
Is Zap Panels free?
Do Netzero for Powerwall or Zap Panels have ads?
Which is updated more often, Netzero for Powerwall or Zap Panels?
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