Comparison

Netzero for Powerwall vs evcc.io

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

evcc.io

Control your home's electric vehicle charging based on solar energy availability or off-peak electricity rates. This app provides remote access to your local evcc server for seamless integration with your EV charger and compatible solar or battery systems.

Highlights
  • Automatic evcc server detection
  • Interaction with evcc UI
  • Demo instance for testing
  • Light/Dark mode
  • Supports various EV chargers
  • Integrates with smart plugs and battery systems
Features
Read full description

Charge your electric car when the sun is shining or when electricity is clean and affordable. With this app, you can access your local evcc instance on your home network. App Features: - Automatic detection of your evcc server - Interaction with your evcc UI - Demo instance available for testing - Light/Dark Mode: Adapts to your device Prerequisite: You must have evcc installed on a device (Raspberry Pi, Windows, macOS, Linux Docker, ...) at your home. What is evcc? evcc is an open-source software that runs at your home. It is compatible with many PV and battery systems and controls your EV charger - regardless of manufacturer. If your car has an online interface, you can also use smart controls like charging schedules, minimum charging, and charging limits. Additionally, it supports dynamic electricity tariffs, smart plugs, balcony solar systems, and small home batteries. Supported EV Chargers: ABB, ABL, Alfen, Alphatec, Amperfied, Audi, Bender, BMW, cFos, Compleo, CUBOS, Cupra, Dadapower, DaheimLaden, Delta, E.ON Drive, E3/DC, Easee, Ebee, echarge, EcoHarmony, Edgetech, Elli, EM2GO, Ensto, ESL, eSystems, Etrel, EVBox, Fronius, Garo, go-e, HardyBarth, Heidelberg, Hesotec, Homecharge, Innogy, INRO, Juice, KEBA, Kontron Solar, Kostal, KSE, LadeFoxx, LRT, Mennekes, my-PV, NRGKick, OBO Bettermann, OpenEVSE, openWB, Optec, Orbis, PC Electric, Peblar, Phoenix Contact, Porsche, Pracht, Pulsares, Pulsatrix, Qcells, Schneider, Schrack, SENEC, Siemens, Skoda, SMA, Smartfox, SolarEdge, Solax, Sonnen, Spelsberg, Stark in Strom, Sungrow, TechniSat, Tesla, Tigo, TinkerForge, Ubitricity, Vestel, Victron, Viridian EV, Volkswagen, Wallbe, wallbox, Walther Werke, Webasto, Weidmüller, Zaptec Supported Smart Plugs: AVM, Homematic IP, HomeWizard, myStrom, Shelly, Tasmota, TP-Link Supported Inverter and Battery Systems: A-Tronix, Acrel, Ads-tec, Alpha ESS, Ampere, Anker, APsystems, AVM, BGEtech, Bosswerk, Carlo Gavazzi, Deye, E3/DC, Eastron, Enphase, FENECON, FoxESS, Fronius, Ginlong, go-e, GoodWe, Growatt, Homematic IP, HomeWizard, Hoymiles, Huawei, IGEN Tech, Kostal, LG, Loxone, M-TEC, myStrom, OpenEMS, Powerfox, QCells, Qcells, RCT, SAJ, SAX, SENEC, Senergy, Shelly, Siemens, SMA, Smartfox, SofarSolar, Solaranzeige, SolarEdge, SolarMax, Solarwatt, Solax, Solinteng, Sonnen, St-ems, Steca, Sungrow, Sunsynk, Sunway, Tasmota, Tesla, TP-Link, VARTA, Victron, Wattsonic, Youless, ZCS Azzurro, Zendure Supported Vehicles: Aiways, Audi, BMW, Citroën, Dacia, DS, Fiat, Ford, Hyundai, Jeep, Kia, Mercedes-Benz, MG, Mini, Nissan, NIU, Opel, Peugeot, Polestar, Renault, Seat, Skoda, Smart, Tesla, Volkswagen, Volvo, Zero Motorcycles

Screenshots

Netzero for Powerwall4 screens
evcc.io4 screens

Verdict

The call

The clearest difference is in-app purchases: evcc.io at none against Netzero for Powerwall's 2. evcc.io also leads on rating (5.0 vs 4.8). Netzero for Powerwall's advantage is update cadence (weekly vs every 2 months) and ratings volume (798 vs 1). On price, review sentiment, 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. Netzero for Powerwall sells 2 in-app purchases, starting at $6.99 per month. evcc.io asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

evcc.io holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Netzero for Powerwall has 798 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 90% and 91% positive.

UpkeepUpdate frequency

Netzero for Powerwall ships an update weekly, evcc.io every 2 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Netzero for Powerwall versus evcc.io: the parameters behind the verdict, then further details
ParameterNetzero for Powerwallevcc.io
PriceFreeFree
Rating4.8 (798 ratings)5.0 (1 ratings) — better
Positive reviews90.5% of reviews90.9% of reviews — better
Number of ratings798 — better1
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.4
Further details — not scored
Size61 MB46 MB
Age rating4+4+
DeveloperNetzero Labs, IncMichael Geers

Customer experience

Netzero for Powerwall

All ratings798 ratings
Positive95.0%
Neutral1.6%
Negative3.4%
Written reviews566 reviews
Positive90.5%
Neutral2.8%
Negative6.7%

evcc.io

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive90.9%
Neutral4.5%
Negative4.5%

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

evcc.io

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
None

evcc.io

No in-app purchases

Questions

Is Netzero for Powerwall free?
Netzero for Powerwall is free to download, with in-app purchases available.
Is evcc.io free?
evcc.io is free to download, with no in-app purchases.
Which has better reviews, Netzero for Powerwall or evcc.io?
evcc.io is rated higher. Netzero for Powerwall averages 4.8 out of 5 from 798 ratings, while evcc.io averages 5.0 from 1 ratings.
Do Netzero for Powerwall or evcc.io have ads?
Neither Netzero for Powerwall nor evcc.io shows ads.
Which is updated more often, Netzero for Powerwall or evcc.io?
Netzero for Powerwall ships an update weekly, and evcc.io every 2 months. Most recently, Netzero for Powerwall was updated on October 24, 2026 and evcc.io on October 24, 2026.

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