Comparison

Hypervolt 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

Hypervolt

Unlock the full potential of your smart home charger. This app allows you to manage charging sessions, reduce electricity costs, and monitor your energy expenditure. Optimize your charging experience and save money.

Highlights
  • Smart charging management
  • Bill minimization
  • Spending tracking
  • Energy expenditure monitoring
  • Unlock full charger power
Features
Read full description

The Hypervolt App is the perfect companion for your Hypervolt Home smart charger! With Hypervolt, you can unlock the full power of smart charging, minimize your bills, track your spending, and more!

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

Hypervolt4 screens
Netzero for Powerwall4 screens

Verdict

The call

The clearest difference is in-app purchases: Hypervolt at none against Netzero for Powerwall's 2. Hypervolt also leads on rating (5.0 vs 4.8). Netzero for Powerwall's advantage is ratings volume (804 vs 1) and review sentiment (90% vs 75%). On price, update cadence, 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. Hypervolt asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hypervolt 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 804 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 75% of Hypervolt's written reviews are positive against 90% of Netzero for Powerwall's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Hypervolt versus Netzero for Powerwall: the parameters behind the verdict, then further details
ParameterHypervoltNetzero for Powerwall
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (804 ratings)
Positive reviews74.7% of reviews90.5% of reviews — better
Number of ratings1804 — better
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size53 MB61 MB
Age rating4+4+
DeveloperHypervolt LimitedNetzero Labs, Inc

Customer experience

Hypervolt

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews99 reviews
Positive74.7%
Neutral7.1%
Negative18.2%

Netzero for Powerwall

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

User reviews

Hypervolt

From 1 App Store ratings

What we love

  • 👍 Easy to use interface
  • 🚀 Responsive and fast
  • 💡 Schedule charging improved
  • 📊 Good cost analysis
  • ✨ Customizable LED colors

Room to improve

  • 🐛 Buggy app performance
  • ⚠️ Intermittent charging issues
  • 🔌 Charger fails to wake car
  • 🔒 Unable to lock/unlock charger
  • 📉 Reports not exportable

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

Hypervolt

Reported bugs

18 issues
  • Latest version does not allow export of reports
  • App shows 'waiting for solar' message when no solar
  • Analytics screen duplicates oldest record
  • Unable to lock charger (stuck 'pending')
  • Disconnected charger, cannot reconnect
Show 13 more
  • Not letting me create a new account
  • Stopped working after last update
  • App no longer connects to charger
  • App says 'no charging available' while charging
  • Every feature says 'try again later'
  • No connection to LED lights or settings
  • Back to energy tariff not working
  • Plug and charge not working
  • Lock option doesn't work
  • Schedule charging - loss of KW calculation
  • App goes offline, requires restart
  • Cloud-based charger issues
  • App doesn't show change in status when stopping/starting charging

Requested features

17 requests
  • Widgets for live data
  • More LED customization
  • More tariff compatibility
  • iOS shortcuts/Siri integration
  • YouTube video guide
Show 12 more
  • Option for standby instead of Eco
  • More detailed charging rate graphs
  • Ability to set max Amps per session
  • Select charge mode per session
  • Improve Amazon Echo integration
  • Add Alexa integration for Australia
  • Ability to add more tariffs (AUD)
  • Change currency to AUD
  • Error version checking on app update
  • Up to 4 tariffs per energy plan
  • Set percentage to charge to
  • More LED effects

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

Hypervolt

No in-app purchases

2 purchases

Netzero for Powerwall

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

Questions

Is Hypervolt free?
Hypervolt 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, Hypervolt or Netzero for Powerwall?
Hypervolt is rated higher. Hypervolt averages 5.0 out of 5 from 1 ratings, while Netzero for Powerwall averages 4.8 from 804 ratings.
Do Hypervolt or Netzero for Powerwall have ads?
Neither Hypervolt nor Netzero for Powerwall shows ads.
Which is updated more often, Hypervolt or Netzero for Powerwall?
Hypervolt ships an update every 2 weeks, and Netzero for Powerwall weekly. Most recently, Hypervolt was updated on October 29, 2026 and Netzero for Powerwall on October 30, 2026.

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