Comparison

Power 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

Power for Tesla

Access detailed battery status, charging history, and heater information for your Tesla. It provides insights beyond the official Tesla app, utilizing secure authentication.

Highlights
  • Battery percentage, range, and energy estimates
  • Heater information
  • Current and past charging sessions
  • Charging rate with Supercharging details
  • Unit selection (km/miles)
  • Secure Tesla Fleet API authentication
Features
Read full description

Check your Tesla Model S, 3, X, Y battery information This app gives you additional info that the original Tesla App won't *Battery percentage, range and estimated energy *heater information *Current and past charging sessions *Charging rate with Supercharging information The app will choose km or miles and typical or rated based on your car settings Estimated energy does not show correct estimations for the original (non software limited) 60 and 70kWh batteries and does not take into account degradation The authentication is via Tesla's own authentication page using thew new Fleet API. Tesla Power will not see neither store your credentials. An authentication token is stored using Apple's iOS secure Keychain.

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

Power for Tesla3 screens
Netzero for Powerwall4 screens

Verdict

The call

The clearest difference is review sentiment: Netzero for Powerwall at 90% against Power for Tesla's 0%. Netzero for Powerwall also leads on rating (4.8 vs 2.8) and update cadence (weekly vs every 4 months). Power for Tesla's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement 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. Power for Tesla asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Netzero for Powerwall holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: Netzero for Powerwall has 753 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of Power for Tesla's written reviews are positive against 90% of Netzero for Powerwall's.

UpkeepUpdate frequency

Power for Tesla ships an update every 4 months, Netzero for Powerwall weekly. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Power for Tesla versus Netzero for Powerwall: the parameters behind the verdict, then further details
ParameterPower for TeslaNetzero for Powerwall
PriceFreeFree
Rating2.8 (8 ratings)4.8 (753 ratings) — better
Positive reviews0.0% of reviews90.3% of reviews — better
Number of ratings8753 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size2 MB59 MB
Age rating4+4+
DeveloperJoao NunesNetzero Labs, Inc

Customer experience

Power for Tesla

All ratings8 ratings
Positive25.0%
Neutral25.0%
Negative50.0%
Written reviews4 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Netzero for Powerwall

All ratings753 ratings
Positive94.7%
Neutral1.7%
Negative3.6%
Written reviews558 reviews
Positive90.3%
Neutral2.9%
Negative6.8%

Bugs and requests

Power for Tesla

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Power for Tesla

No in-app purchases

2 purchases

Netzero for Powerwall

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

Questions

Is Power for Tesla free?
Power for Tesla is free to download, with no in-app purchases.
Is Netzero for Powerwall free?
Netzero for Powerwall is free to download, with in-app purchases available.
Which has better reviews, Power for Tesla or Netzero for Powerwall?
Netzero for Powerwall is rated higher. Power for Tesla averages 2.8 out of 5 from 8 ratings, while Netzero for Powerwall averages 4.8 from 753 ratings.
Do Power for Tesla or Netzero for Powerwall have ads?
Neither Power for Tesla nor Netzero for Powerwall shows ads.
Which is updated more often, Power for Tesla or Netzero for Powerwall?
Power for Tesla ships an update every 4 months, and Netzero for Powerwall weekly. Most recently, Power for Tesla was updated on September 16, 2026 and Netzero for Powerwall on September 23, 2026.

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