# Tessie vs David Energy

The clearest difference is in-app purchases: David Energy at none against Tessie's 10. David Energy also leads on rating (5.0 vs 4.8) and iOS requirement (13.4 vs 16.6). Tessie's advantage is ratings volume (9.7K vs 5). On price, update cadence, ads and device support there is nothing between them.

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

David Energy holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tessie has 9.7K ratings behind it against 5, so its average is the more settled of the two.

Tessie ships an update weekly, David Energy every 11 days. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Tessie | David Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (9.7K ratings)](https://appshunter.io/ios/app/tessie/id1496718223/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/david-energy/id6474890418/reviews)** |
| Number of ratings | **9.7K** | 5 |
| Positive reviews | 63.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 259 MB | 42 MB |
| Requires iOS | 16.6 | **13.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tessie](https://appshunter.io/developer/1543753114) | [David Energy Systems, Inc.](https://appshunter.io/developer/1722726638) |

## 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


### David Energy

[App page](https://appshunter.io/ios/app/david-energy/id6474890418)

Optimize your electric vehicle charging to save money and reduce emissions. This app intelligently monitors wholesale energy markets to charge your car when prices are lowest. You set your charging needs, and the app handles the rest, providing insights into your savings and energy consumption.

**Highlights:** Intelligent charging optimization, Monitors wholesale energy market, Saves money on charging costs, Reduces CO2 emissions, Seamless car syncing and control, Tracks charging costs and consumption

**In-app purchases:** none


## Frequently asked questions

### Is Tessie free?

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

### Is David Energy free?

David Energy is free to download, with no in-app purchases.

### Which has better reviews, Tessie or David Energy?

David Energy is rated higher. Tessie averages 4.8 out of 5 from 9.7K ratings, while David Energy averages 5.0 from 5 ratings.

### Do Tessie or David Energy have ads?

Neither Tessie nor David Energy shows ads.

### Which is updated more often, Tessie or David Energy?

Tessie ships an update weekly, and David Energy every 11 days. Most recently, Tessie was updated on November 12, 2026 and David Energy on November 4, 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.*