ERCOT vs Houston Public Library
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
Houston Public Library
Manage your library account on the go. Search the catalog, renew borrowed items, and place holds on new books directly from your mobile device.
- Manage library account
- Search catalog
- Renew books
- Place holds
- Mobile access
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Access Houston Public Library from your iPhone, iPad or iPod Touch. Manage your account, search the catalog, renew and reserve books.
Screenshots
Verdict
ERCOT and Houston Public Library both sit at 2.8 stars, but that hides the real split: 39% of ERCOT's written reviews are positive against 16% of Houston Public Library's. ERCOT also leads on iOS requirement (12.0 vs 15.6). On price, rating, ratings volume and update cadence 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.
On the App Store both sit at effectively the same score — 2.8 for ERCOT against 2.8 for Houston Public Library. Both are backed by a comparable volume of ratings — 115 and 42 respectively. Written reviews are what separate them: 39% of ERCOT's written reviews are positive against 16% of Houston Public Library's.
ERCOT ships an update every 4 months, Houston Public Library every 3 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | ERCOT | Houston Public Library |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (115 ratings) | 2.8 (42 ratings) — better |
| Positive reviews | 39.0% of reviews — better | 15.8% of reviews |
| Number of ratings | 115 — better | 42 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 81 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | ERCOT | Houston Area Library Automated Network |
Customer experience
ERCOT
Houston Public Library
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
Houston Public Library
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ERCOT
No in-app purchases
Houston Public Library
No in-app purchases
Questions
Is ERCOT free?
Is Houston Public Library free?
Which has better reviews, ERCOT or Houston Public Library?
Do ERCOT or Houston Public Library have ads?
Which is updated more often, ERCOT or Houston Public Library?
Other comparisons
