# Span Installer vs Netzero for Powerwall

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.

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.

## The numbers

| Metric | Span Installer | Netzero for Powerwall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (13 ratings)](https://appshunter.io/ios/app/span-installer/id1477128965/reviews) | **[4.8 (775 ratings)](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821/reviews)** |
| Number of ratings | 13 | **775** |
| Positive reviews | 0.0% of reviews | **90.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 104 MB | 60 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Span.io, Inc](https://appshunter.io/developer/1477128844) | [Netzero Labs, Inc](https://appshunter.io/developer/1725678179) |

## What reviewers say

### Span Installer

[App page](https://appshunter.io/ios/app/span-installer/id1477128965)

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.

**Highlights:** Faster new SPAN Panel commissioning, Simplified user navigation, Improved breaker labeling, Integrated troubleshooting and support, Confirm hardware communications, Program setpoints with SPAN PowerUp

**In-app purchases:** none


### Netzero for Powerwall

[App page](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Netzero Pro - Monthly | $6.99 | per month |
| Netzero Pro - Annual | $69.99 | per year |

**What reviewers like**

- 🚀 Indispensable for home energy nerds
- 🚀 Amazing Diagnostic Tool
- 🚀 Awesome app to extend Tesla capabilities
- 🚀 Outstanding
- 🚀 Great App + Great Support

**What reviewers complain about**

- 🐛 Something changed?
- 🔧 Good but needs more tariff options
- 🐛 May not be compatible with PW3
- 🐛 Difficult

**Reported bugs**

- May not be compatible with PW3
- Diagnostic screen stays black

**Requested features**

- stop battery charging?
- AND function on the conditionality


## Frequently asked questions

### Is Span Installer free?

Span Installer 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, Span Installer or Netzero for Powerwall?

Netzero for Powerwall is rated higher. Span Installer averages 3.7 out of 5 from 13 ratings, while Netzero for Powerwall averages 4.8 from 775 ratings.

### Do Span Installer or Netzero for Powerwall have ads?

Neither Span Installer nor Netzero for Powerwall shows ads.

### Which is updated more often, Span Installer or Netzero for Powerwall?

Span Installer ships an update fortnightly, and Netzero for Powerwall weekly. Most recently, Span Installer was updated on September 30, 2026 and Netzero for Powerwall on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*