Comparison

ERCOT vs David Energy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ERCOT

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
Read full description

The ERCOT app allows you to monitor real-time power grid conditions and stay updated with important news and alerts from the Electric Reliability Council of Texas (ERCOT). App features include: Informative welcome screens A customizable home screen: Choose which dashboards you want to see ERCOT’s most popular interactive dashboards: Grid Conditions, Supply and Demand, Fuel Mix, and System-Wide (Wholesale) Prices The meeting calendar for the upcoming week The ability to opt-in for TXANS and EEA alerts

About

David Energy

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
Read full description

The future of charging is here: Charge your EV for less with smart charging from David Energy. Save money and reduce emissions with optimized charging that gives you access to lucrative wholesale energy discounts. You choose how much to charge and when you need your car ready - we do the rest. Charge smarter with David Energy: INTELLIGENT OPTIMIZATION • Automate charging better than manual schedules. • Smart charging algorithmically monitors the wholesale energy market to save you more on charging. SAVE MONEY AND CO2 • Power up at times when wholesale prices are low and save on your monthly energy bill. • Reduce emissions and grid strain when charging during optimal hours. SEAMLESS CONTROLS & CONNECTION • Sync your car to our secure portal in minutes. • Control your preferences at the touch of a button. TRACK COSTS & CHARGING • Receive a weekly email with insight into your EV’s costs, energy consumption, smart charging savings and more. _____ Have feedback or questions? Reach out to us at texas@davidenergy.com Find us on x: www.x.com/thedavidenergy

Screenshots

ERCOT4 screens
David Energy4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
ERCOT versus David Energy: the parameters behind the verdict, then further details
ParameterERCOTDavid Energy
PriceFreeFree
Rating2.7 (113 ratings)5.0 (5 ratings) — better
Positive reviews39.0% of reviews—
Number of ratings113 — better5
Update frequencyEvery 4 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.4
Further details — not scored
Size81 MB42 MB
Age rating4+4+
DeveloperERCOTDavid Energy Systems, Inc.

Customer experience

ERCOT

All ratings113 ratings
Positive41.6%
Neutral5.3%
Negative53.1%
Written reviews59 reviews
Positive39.0%
Neutral5.1%
Negative55.9%

David Energy

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

ERCOT

Reported bugs

12 issues
  • 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
Show 7 more
  • App crashes after last update, won't open
  • App just closes down after update
  • Inaccurate graphs during Feb 2021 outage
  • Privacy issue: app pastes from messages
  • Lost current demand number in new release
  • Chart with no numbers on vertical axis
  • Turrible system conditions display

Requested features

25 requests
  • Improve welcome screen navigation
  • Add custom alert notifications (prices, capacity)
  • Increase font size or allow adjustment
  • Provide history view
  • Show sources of energy
Show 20 more
  • Show renewable energy generation
  • See historical data for comparison
  • Add gridlines on chart axes
  • Add more gridlines on time axis
  • Provide current demand number
  • Show real-time power production breakdown (nuclear, gas, coal, wind, solar)
  • Show trends of historical data
  • Show prices for 5min intervals
  • Show forecasted wind and actual wind output on a chart
  • Show nodal pricing points
  • Add a simple DB query function for source/sink of PTPs
  • List scheduled outages and line work
  • List DA congestion costs
  • Provide system conditions
  • Offer historic views beyond 1 day
  • Offer forecast conditions for next 30 days
  • Provide at least two push notification options (critical alert)
  • Share outage data from utility companies/cooperatives
  • Add system wide alerts
  • Add a design overhaul for prettier delivery

David Energy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ERCOT

No in-app purchases

None

David Energy

No in-app purchases

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.

Other comparisons