# David Energy vs DFWIEC

The clearest difference is update cadence: David Energy at every 11 days against DFWIEC's every 2 months. David Energy also leads on iOS requirement (13.4 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

David Energy ships an update every 11 days, DFWIEC every 2 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | David Energy | DFWIEC |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Free | — |
| Size | 42 MB | 52 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Energy Systems, Inc.](https://appshunter.io/developer/1722726638) | [Swaleha Inamdar](https://appshunter.io/developer/1384355172) |

## 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


### DFWIEC

[App page](https://appshunter.io/ios/app/dfwiec/id6752552859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is David Energy free?

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

### Is DFWIEC free?

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

### Do David Energy or DFWIEC have ads?

Neither David Energy nor DFWIEC shows ads.

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

David Energy ships an update every 11 days, and DFWIEC every 2 months. Most recently, David Energy was updated on November 4, 2026 and DFWIEC on October 28, 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.*