ERCOT vs Sienna × LUKE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time grid monitoring
- Customizable home screen
- Interactive dashboards
- Supply and demand tracking
- Fuel mix information
- Wholesale price data
- News and alerts
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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
Sienna × LUKE
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Sienna × LUKE is a new mobile reporting platform built specifically for Sienna residents. Powered by LUKE, it provides a simple way to report anything in the community you think needs attention. With Sienna × LUKE, you can report an issue in just a few simple steps: tag a location, take a photo, add a short description, and submit. You'll be able to track your reports and see updates as they're reviewed and resolved. This app focuses solely on reporting. It's designed to complement Sienna's existing resident tools by giving you a dedicated place to report and track maintenance around the community.
Screenshots
Verdict
The clearest difference is iOS requirement: ERCOT at 12.0 against Sienna × LUKE's 15.1. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ERCOT ships an update every 4 months, Sienna × LUKE every 2 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.
| Parameter | ERCOT | Sienna × LUKE |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (115 ratings) — better | — |
| Positive reviews | 39.0% of reviews | — |
| Number of ratings | 115 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 81 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | ERCOT | LJA Engineering, Inc. |
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
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- 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
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- 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
Sienna × LUKE
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ERCOT
No in-app purchases
Sienna × LUKE
No in-app purchases
Questions
Is ERCOT free?
Is Sienna × LUKE free?
Do ERCOT or Sienna × LUKE have ads?
Which is updated more often, ERCOT or Sienna × LUKE?
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