Span Installer vs Netzero for Powerwall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Span Installer
This app streamlines the installation and servicing of new and existing SPAN panels. It offers enhanced navigation, an improved breaker labeling process, and integrated troubleshooting support. Users can also confirm communications with battery systems and program setpoints for energy management.
- Faster new SPAN Panel commissioning
- Simplified user navigation
- Improved breaker labeling
- Integrated troubleshooting and support
- Confirm hardware communications
- Program setpoints with SPAN PowerUp
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The new and improved SPAN Installer App supports the seamless installation of new SPAN panels. The SPAN Installer App also allows for seamless service calls of existing SPAN Panel installations. - Set up and commission a new SPAN Panel faster than ever before - Enhanced and simplified user navigation and design - New and Improved breaker labelling process making it even easier to install SPAN - Seamless troubleshooting and support integrated into the app - Confirm communications with battery systems and other hardware like SPAN Drive - Program setpoints to help customers avoid service upgrades with SPAN PowerUpTM Shift to smarter, cleaner energy with SPAN and ensure quality installations for your customers. **You must be a SPAN Authorized Installer to login to the SPAN Installer App.**
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/
Screenshots
Verdict
The clearest difference is review sentiment: Netzero for Powerwall at 90% against Span Installer's 0%. Netzero for Powerwall also leads on rating (4.8 vs 3.7) and ratings volume (775 vs 13). Span Installer'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
Both are free to download. Netzero for Powerwall sells 2 in-app purchases, starting at $6.99 per month. Span Installer asks for nothing beyond the download.
Netzero for Powerwall holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Netzero for Powerwall has 775 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 0% of Span Installer's written reviews are positive against 90% of Netzero for Powerwall's.
Span Installer ships an update fortnightly, Netzero for Powerwall weekly. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.
| Parameter | Span Installer | Netzero for Powerwall |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (13 ratings) | 4.8 (775 ratings) — better |
| Positive reviews | 0.0% of reviews | 90.4% of reviews — better |
| Number of ratings | 13 | 775 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 104 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Span.io, Inc | Netzero Labs, Inc |
Customer experience
Span Installer
Netzero for Powerwall
Bugs and requests
Span Installer
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
Span Installer
No in-app purchases
Netzero for Powerwall
- Netzero Pro - Monthly$6.991 Month
- Netzero Pro - Annual$69.991 Year
Questions
Is Span Installer free?
Is Netzero for Powerwall free?
Which has better reviews, Span Installer or Netzero for Powerwall?
Do Span Installer or Netzero for Powerwall have ads?
Which is updated more often, Span Installer or Netzero for Powerwall?
Other comparisons
