# Netzero for Powerwall vs ADE Slope For Watch

The clearest difference is in-app purchases: ADE Slope For Watch at none against Netzero for Powerwall's 2. ADE Slope For Watch also leads on iOS requirement (13.0 vs 16.4). Netzero for Powerwall's advantage is update cadence (weekly vs every 8 months). 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. ADE Slope For Watch asks for nothing beyond the download.

Netzero for Powerwall ships an update weekly, ADE Slope For Watch every 8 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Netzero for Powerwall | ADE Slope For Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (801 ratings)](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821/reviews)** | — |
| Number of ratings | **801** | — |
| Positive reviews | 90.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 months |
| Monetization | Freemium | — |
| Size | 61 MB | 1 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Netzero Labs, Inc](https://appshunter.io/developer/1725678179) | [Australian Diversified Engineering](https://appshunter.io/developer/1718175803) |

## What reviewers say

### 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


### ADE Slope For Watch

[App page](https://appshunter.io/ios/app/ade-slope-for-watch/id6476252576)

**In-app purchases:** none


## Frequently asked questions

### Is Netzero for Powerwall free?

Netzero for Powerwall is free to download, with in-app purchases available.

### Is ADE Slope For Watch free?

ADE Slope For Watch is free to download, with no in-app purchases.

### Do Netzero for Powerwall or ADE Slope For Watch have ads?

Neither Netzero for Powerwall nor ADE Slope For Watch shows ads.

### Which is updated more often, Netzero for Powerwall or ADE Slope For Watch?

Netzero for Powerwall ships an update weekly, and ADE Slope For Watch every 8 months. Most recently, Netzero for Powerwall was updated on October 27, 2026 and ADE Slope For Watch on October 25, 2026.

---

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