# David Energy vs CarzBox

The clearest difference is in-app purchases: David Energy at none against CarzBox's 2. David Energy also leads on update cadence (every 11 days vs every 5 weeks) and iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. CarzBox sells 2 in-app purchases, starting at $7.99 per month. David Energy asks for nothing beyond the download.

David Energy ships an update every 11 days, CarzBox every 5 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | David Energy | CarzBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/david-energy/id6474890418/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 42 MB | 10 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Energy Systems, Inc.](https://appshunter.io/developer/1722726638) | [Carzbox LLC](https://appshunter.io/developer/6787542279) |

## What reviewers say

### 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


### CarzBox

[App page](https://appshunter.io/ios/app/carzbox/id6787542277)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Yearly | $79.99 | per year |


## Frequently asked questions

### Is David Energy free?

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

### Is CarzBox free?

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

### Do David Energy or CarzBox have ads?

Neither David Energy nor CarzBox shows ads.

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

David Energy ships an update every 11 days, and CarzBox every 5 weeks. Most recently, David Energy was updated on October 18, 2026 and CarzBox 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.*