# Knog Mobile vs Netzero for Powerwall

The clearest difference is review sentiment: Netzero for Powerwall at 90% against Knog Mobile's 20%. Netzero for Powerwall also leads on rating (4.8 vs 2.3) and update cadence (weekly vs every 2 months). Knog Mobile'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. Knog Mobile asks for nothing beyond the download.

Netzero for Powerwall holds the better App Store score, 4.8 against 2.3. That said, the two scores are not equally well evidenced: Netzero for Powerwall has 798 ratings behind it against 51, so its average is the more settled of the two. Written reviews point the same way: 20% of Knog Mobile's written reviews are positive against 90% of Netzero for Powerwall's.

Knog Mobile ships an update every 2 months, Netzero for Powerwall weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Knog Mobile | Netzero for Powerwall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (51 ratings)](https://appshunter.io/ios/app/knog-mobile/id1498719026/reviews) | **[4.8 (798 ratings)](https://appshunter.io/ios/app/netzero-for-powerwall/id6453293821/reviews)** |
| Number of ratings | 51 | **798** |
| Positive reviews | 19.6% of reviews | **90.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 26 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Knog Pty Ltd](https://appshunter.io/developer/917168361) | [Netzero Labs, Inc](https://appshunter.io/developer/1725678179) |

## What reviewers say

### Knog Mobile

[App page](https://appshunter.io/ios/app/knog-mobile/id1498719026)

This device acts as a bicycle alarm and tracker, integrating with Apple's Find My network. It alerts you to movement and helps locate your bike if it's moved.

**Highlights:** Bicycle alarm, Apple Find My network integration, Motion-sensitive alarm, USB-C rechargeable, 6-month battery life, Knog App control

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Hardware design is sleek and discreet
- 🔍 Apple Find My integration works well
- 🎯 Alarm functionality effective when working
- 📦 Thoughtful packaging design
- 🔒 Good security concept for bikes

**What reviewers complain about**

- 🐛 App frequently crashes and freezes
- 🔌 Severe battery drain on iPhone
- 📱 Poor app stability and reliability
- 🔗 Constant connection/disconnection issues
- ⚠️ Alarm arm/disarm button often unresponsive

**Reported bugs**

- App crashes when arming/disarming alarm
- Device disappears from app after updates
- Cannot pair device after factory reset
- Bluetooth connection drops frequently
- Arm button appears as disarm and vice versa

**Requested features**

- Apple Watch app/companion app
- Siri Shortcuts integration
- Control Center widget for quick arm/disarm
- Home Screen widget for battery status
- Alarm sound preview feature


### 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 Knog Mobile free?

Knog Mobile 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, Knog Mobile or Netzero for Powerwall?

Netzero for Powerwall is rated higher. Knog Mobile averages 2.3 out of 5 from 51 ratings, while Netzero for Powerwall averages 4.8 from 798 ratings.

### Do Knog Mobile or Netzero for Powerwall have ads?

Neither Knog Mobile nor Netzero for Powerwall shows ads.

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

Knog Mobile ships an update every 2 months, and Netzero for Powerwall weekly. Most recently, Knog Mobile was updated on October 23, 2026 and Netzero for Powerwall on October 24, 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.*