Comparison

MCE Sync 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

MCE Sync

Automate your electric vehicle charging to leverage the cheapest and cleanest energy available on the grid. Earn cash rewards for charging during specific low-carbon events.

Highlights
  • Automated EV charging
  • Cheapest energy utilization
  • Cleanest energy utilization
  • Cash sign-up bonus
  • Monthly cash rewards
Features
Read full description

The MCE Sync app helps you automate your EV charging at home to use the least expensive and cleanest energy on the grid. Download the app and charge your EV to receive a $50 sign-up bonus. You can earn $10 a month in additional cash by charging during low-carbon events.

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
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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/

Screenshots

MCE Sync4 screens
Netzero for Powerwall4 screens

Verdict

The call

The clearest difference is review sentiment: Netzero for Powerwall at 90% against MCE Sync's 38%. Netzero for Powerwall also leads on update cadence (weekly vs every 6 weeks) and rating (4.8 vs 4.6). MCE Sync's advantage is in-app purchases (none vs 2). On price, 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. MCE Sync asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Netzero for Powerwall holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 198 and 753 respectively. Written reviews point the same way: 38% of MCE Sync's written reviews are positive against 90% of Netzero for Powerwall's.

UpkeepUpdate frequency

MCE Sync ships an update every 6 weeks, Netzero for Powerwall weekly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard7 real differences · 3 level
MCE Sync versus Netzero for Powerwall: the parameters behind the verdict, then further details
ParameterMCE SyncNetzero for Powerwall
PriceFreeFree
Rating4.6 (198 ratings)4.8 (753 ratings) — better
Positive reviews38.5% of reviews90.3% of reviews — better
Number of ratings198753 — better
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad — better
Requires iOS18.616.4 — better
Further details — not scored
Size91 MB59 MB
Age rating4+4+
DeveloperMCE Clean EnergyNetzero Labs, Inc

Customer experience

MCE Sync

All ratings198 ratings
Positive92.4%
Neutral3.5%
Negative4.0%
Written reviews13 reviews
Positive38.5%
Neutral0.0%
Negative61.5%

Netzero for Powerwall

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

Bugs and requests

MCE Sync

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

MCE Sync

No in-app purchases

2 purchases

Netzero for Powerwall

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

Questions

Is MCE Sync free?
MCE Sync 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, MCE Sync or Netzero for Powerwall?
Netzero for Powerwall is rated higher. MCE Sync averages 4.6 out of 5 from 198 ratings, while Netzero for Powerwall averages 4.8 from 753 ratings.
Do MCE Sync or Netzero for Powerwall have ads?
Neither MCE Sync nor Netzero for Powerwall shows ads.
Which is updated more often, MCE Sync or Netzero for Powerwall?
MCE Sync ships an update every 6 weeks, and Netzero for Powerwall weekly. Most recently, MCE Sync was updated on September 21, 2026 and Netzero for Powerwall on September 23, 2026.

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