# Tessie vs Net Zero Emission

The clearest difference is in-app purchases: Net Zero Emission at none against Tessie's 17. Net Zero Emission also leads on iOS requirement (11.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tessie sells 15 in-app purchases, starting at $3.99 per month. Net Zero Emission asks for nothing beyond the download.

Tessie ships an update weekly, Net Zero Emission every 6 days. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Tessie | Net Zero Emission |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.7K ratings)](https://appshunter.io/ios/app/tessie/id1496718223/reviews)** | — |
| Number of ratings | **9.7K** | — |
| Positive reviews | 63.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 258 MB | 53 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tessie](https://appshunter.io/developer/1543753114) | [ekkarach nampokin](https://appshunter.io/developer/1675379935) |

## What reviewers say

### Tessie

[App page](https://appshunter.io/ios/app/tessie/id1496718223)

Enhance your Tesla ownership with detailed tracking, powerful automations, and real-time diagnostics. Monitor trips, battery health, charging, and receive important event notifications. Integrate with smart home systems and control your vehicle from various devices.

**Highlights:** Trip tracking, Battery health analytics, Charging and phantom drain tracking, Live charging view, Automations with schedules and triggers, Event notifications, Real-time OBD diagnostics, Cross-platform control (Apple Watch, Web)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Legacy | $3.99 | per month |
| Legacy | $4.99 | per month |
| Legacy | $4.99 | per month |
| Basic | $6.99 | per month |
| Pro | $12.99 | per month |
| Pro | $14.99 | per month |
| Legacy | $39.99 | per year |
| Tessie | $49.99 | per year |
| Legacy | $49.99 | per year |
| Tessie | $69.99 | per year |
| Basic | $69.99 | per year |
| Pro | $129.99 | per year |
| Pro | $149.99 | per year |
| Legacy (Lifetime) | $199.99 | one-time |
| Tessie | $399.99 | one-time |

**What reviewers like**

- 🚀 Detailed data and analytics
- 👍 Intuitive and well-designed UI
- 🔒 Secure and reliable connection
- 💡 Useful Apple Watch and Alexa integration
- 🚀 Fast and responsive app

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Occasional connectivity issues
- 🔋 High battery drain on Apple Watch
- 🤔 Confusing setup process for some features

**Reported bugs**

- Inaccurate weather data
- Missing trip and charging history
- Unreliable Apple Watch integration

**Requested features**

- Charging schedule and preconditioning options
- More customization and widget support
- Sentry mode camera access
- Improved Apple Watch reliability


### Net Zero Emission

[App page](https://appshunter.io/ios/app/net-zero-emission/id6456222778)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tessie free?

Tessie is free to download, with in-app purchases available.

### Is Net Zero Emission free?

Net Zero Emission is free to download, with no in-app purchases.

### Do Tessie or Net Zero Emission have ads?

Neither Tessie nor Net Zero Emission shows ads.

### Which is updated more often, Tessie or Net Zero Emission?

Tessie ships an update weekly, and Net Zero Emission every 6 days. Most recently, Tessie was updated on October 26, 2026 and Net Zero Emission on October 14, 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.*