# Temtop vs Netzero for Powerwall

The clearest difference is review sentiment: Netzero for Powerwall at 90% against Temtop's 32%. Netzero for Powerwall also leads on rating (4.8 vs 2.9) and update cadence (weekly vs every 5 weeks). Temtop'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. Temtop asks for nothing beyond the download.

Netzero for Powerwall holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: Netzero for Powerwall has 799 ratings behind it against 82, so its average is the more settled of the two. Written reviews point the same way: 32% of Temtop's written reviews are positive against 90% of Netzero for Powerwall's.

Temtop ships an update every 5 weeks, Netzero for Powerwall weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Temtop | Netzero for Powerwall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (82 ratings)](https://appshunter.io/ios/app/temtop/id1439409326/reviews) | **[4.8 (799 ratings)](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821/reviews)** |
| Number of ratings | 82 | **799** |
| Positive reviews | 32.2% of reviews | **90.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 183 MB | 61 MB |
| Requires iOS | **15** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elitech Technology,Inc.](https://appshunter.io/developer/1455057713) | [Netzero Labs, Inc](https://appshunter.io/developer/1725678179) |

## What reviewers say

### Temtop

[App page](https://appshunter.io/ios/app/temtop/id1439409326)

This app detects formaldehyde, PM2.5, and TVOC using advanced sensors. It provides accurate and reliable environmental data for your home or workspace.

**Highlights:** Formaldehyde detection, PM2.5 detection, TVOC detection, British Dart electrochemical sensor, US TEMTOP laser particle sensor, Accurate and reliable data

**Features:** Vision Pro support

**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 Temtop free?

Temtop 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, Temtop or Netzero for Powerwall?

Netzero for Powerwall is rated higher. Temtop averages 2.9 out of 5 from 82 ratings, while Netzero for Powerwall averages 4.8 from 799 ratings.

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

Neither Temtop nor Netzero for Powerwall shows ads.

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

Temtop ships an update every 5 weeks, and Netzero for Powerwall weekly. Most recently, Temtop was updated on October 24, 2026 and Netzero for Powerwall on October 25, 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.*