# Auth app for Tesla vs Netzero for Powerwall

The clearest difference is review sentiment: Netzero for Powerwall at 90% against Auth app for Tesla's 41%. Netzero for Powerwall also leads on rating (4.8 vs 4.3) and update cadence (weekly vs every 4 months). Auth app for Tesla's advantage is monetization model (free vs freemium). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Auth app for Tesla sells 3 one-off in-app purchases and Netzero for Powerwall sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Netzero for Powerwall holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Netzero for Powerwall has 753 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 41% of Auth app for Tesla's written reviews are positive against 90% of Netzero for Powerwall's.

Auth app for Tesla ships an update every 4 months, Netzero for Powerwall weekly. The most recent releases landed on July 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Auth app for Tesla | Netzero for Powerwall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (20 ratings)](https://appshunter.io/ios/app/auth-app-for-tesla/id1552058613/reviews) | **[4.8 (753 ratings)](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821/reviews)** |
| Number of ratings | 20 | **753** |
| Positive reviews | 40.7% of reviews | **90.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 59 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dansk Rumskrot ApS](https://appshunter.io/developer/1512108916) | [Netzero Labs, Inc](https://appshunter.io/developer/1725678179) |

## What reviewers say

### Auth app for Tesla

[App page](https://appshunter.io/ios/app/auth-app-for-tesla/id1552058613)

Generate secure Tesla API authentication tokens with this utility. It allows you to keep custom shortcuts alive by providing token access for third-party services. Your credentials are sent directly to Tesla, and tokens are stored encrypted locally.

**Highlights:** Generate secure Tesla API authentication tokens, Support for custom shortcuts, Convenient clipboard access to tokens, Open-source code available, Secure encrypted token storage

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $19.99 | one-time |


### 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 Auth app for Tesla free?

Auth app for Tesla is free to download, with in-app purchases available.

### Is Netzero for Powerwall free?

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

### Which has better reviews, Auth app for Tesla or Netzero for Powerwall?

Netzero for Powerwall is rated higher. Auth app for Tesla averages 4.3 out of 5 from 20 ratings, while Netzero for Powerwall averages 4.8 from 753 ratings.

### Do Auth app for Tesla or Netzero for Powerwall have ads?

Neither Auth app for Tesla nor Netzero for Powerwall shows ads.

### Which is updated more often, Auth app for Tesla or Netzero for Powerwall?

Auth app for Tesla ships an update every 4 months, and Netzero for Powerwall weekly. Most recently, Auth app for Tesla was updated on July 10, 2026 and Netzero for Powerwall on September 23, 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.*