# T vs Netzero for Powerwall

The clearest difference is review sentiment: Netzero for Powerwall at 90% against T's 24%. Netzero for Powerwall also leads on update cadence (weekly vs every 6 weeks). T's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Netzero for Powerwall sells 2 in-app purchases, starting at $6.99 per month. T asks for nothing beyond the download.

T ships an update every 6 weeks, Netzero for Powerwall weekly. The most recent releases landed on September 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | T | Netzero for Powerwall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (775 ratings)](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821/reviews)** |
| Number of ratings | — | **775** |
| Positive reviews | 23.5% of reviews | **90.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 8 MB | 60 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EuroICC d.o.o.](https://appshunter.io/developer/1362060463) | [Netzero Labs, Inc](https://appshunter.io/developer/1725678179) |

## What reviewers say

### T

[App page](https://appshunter.io/ios/app/t-smart/id1504665934)

Control and configure your domestic hot water system remotely via a Wi-Fi enabled thermostat. Turn traditional water heaters into smart home devices for convenient temperature management from your iOS device.

**Highlights:** Remote hot water control, Configure water temperature, Smart home integration, Wi-Fi enabled connectivity, iOS device compatibility

**Features:** macOS Compatibility

**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 T free?

T 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.

### Do T or Netzero for Powerwall have ads?

Neither T nor Netzero for Powerwall shows ads.

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

T ships an update every 6 weeks, and Netzero for Powerwall weekly. Most recently, T was updated on September 23, 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.*