# ERCOT vs David Energy

The clearest difference is rating: David Energy at 5.0 against ERCOT's 2.7. David Energy also leads on update cadence (every 11 days vs every 4 months). ERCOT's advantage is ratings volume (113 vs 5). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: ERCOT has 113 ratings behind it against 5, so its average is the more settled of the two.

ERCOT ships an update every 4 months, David Energy every 11 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ERCOT | David Energy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (113 ratings)](https://appshunter.io/ios/app/ercot/id520829355/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/david-energy/id6474890418/reviews)** |
| Number of ratings | **113** | 5 |
| Positive reviews | 39.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 81 MB | 42 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERCOT](https://appshunter.io/developer/520829358) | [David Energy Systems, Inc.](https://appshunter.io/developer/1722726638) |

## What reviewers say

### ERCOT

[App page](https://appshunter.io/ios/app/ercot/id520829355)

Monitor real-time power grid conditions and receive important news and alerts. Customize your home screen with interactive dashboards for supply, demand, fuel mix, and wholesale prices. Stay informed about grid status and upcoming meetings.

**Highlights:** Real-time grid monitoring, Customizable home screen, Interactive dashboards, Supply and demand tracking, Fuel mix information, Wholesale price data, News and alerts

**In-app purchases:** none

**What reviewers like**

- 👍 Real-time fuel mix data
- 👍 Great new update design
- 👍 Dark mode add-on
- 👍 Visualizes data well
- 👍 Simple and works great

**What reviewers complain about**

- 🐛 Welcome screen confusing
- 🐛 App crashes constantly
- 🐛 App spins indefinitely
- 🐛 Significant downgrade from old app
- 🐛 White ghost text

**Reported bugs**

- App crashes constantly or spins indefinitely
- White ghost text on app and browser
- New Release 7.3.6 throws constant 403 errors
- App crashes upon launch
- App opens and crashes after updates

**Requested features**

- Improve welcome screen navigation
- Add custom alert notifications (prices, capacity)
- Increase font size or allow adjustment
- Provide history view
- Show sources of energy


### 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 ERCOT free?

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

### Is David Energy free?

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

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

David Energy is rated higher. ERCOT averages 2.7 out of 5 from 113 ratings, while David Energy averages 5.0 from 5 ratings.

### Do ERCOT or David Energy have ads?

Neither ERCOT nor David Energy shows ads.

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

ERCOT ships an update every 4 months, and David Energy every 11 days. Most recently, ERCOT was updated on October 7, 2026 and David Energy on October 1, 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.*