# Tessie vs Das Null

The clearest difference is in-app purchases: Das Null at none against Tessie's 10. Tessie's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Tessie sells 10 in-app purchases, starting at $3.99 per month. Das Null asks for nothing beyond the download.

## The numbers

| Metric | Tessie | Das Null |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.7K ratings)](https://appshunter.io/ios/app/tessie/id1496718223/reviews)** | — |
| Number of ratings | **9.7K** | — |
| Positive reviews | 63.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 259 MB | 2 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Tessie](https://appshunter.io/developer/1543753114) | [Rene Hilmar Deist](https://appshunter.io/developer/6806416199) |

## What reviewers say

### Tessie

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

Enhance your Tesla ownership with advanced tracking, AI-powered control, and automation features. Monitor trips, battery health, charging, and receive real-time notifications. Integrates with smart home devices and offers web and Apple Watch control.

**Highlights:** Trip tracking, Battery health monitoring, AI-powered vehicle control, Automation with schedules and triggers, Real-time notifications, Apple Watch and web browser control, Smart home integrations

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

**In-app purchases (10)**

| 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 | $49.99 | per year |
| Basic | $69.99 | per year |
| Pro | $129.99 | per year |
| Legacy (Lifetime) | $199.99 | 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


### Das Null

[App page](https://appshunter.io/ios/app/das-null-prinzip/id6806416197)

**In-app purchases:** none


## Frequently asked questions

### Is Tessie free?

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

### Is Das Null free?

Das Null is free to download, with no in-app purchases.

### Do Tessie or Das Null have ads?

Neither Tessie nor Das Null shows ads.

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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.*