ISO Today vs UAMPS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ISO Today
Track California's power grid status, energy prices, and renewable production. Receive alerts for conservation needs and monitor supply adequacy up to seven days ahead. View detailed supply breakdowns and historical data.
- Monitor resource adequacy capacity
- View grid status and demand
- Renewables and supply graphs
- Wholesale energy price map
- Receive Flex Alerts
- Track calendar events
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Monitor California ISO power grid conditions, prices and renewable production, receive notifications and track calendar events with this free mobile application. Features: · Monitor available resource adequacy capacity to identify when energy supply might be tight, up to 7 days in advance. · View grid status and available capacity measured against the current demand and the forecasted peak. · View renewables and supply graphs as stacked charts. · View peak and daily production data for past dates on the renewables trend graph. · View breakdown of supply and renewables serving the ISO. · Monitor emissions. · View wholesale energy prices on the price map. Use the slider to easily filter out nodes based on Location Marginal Prices (LMP). · Compare demand and net demand plus historic data. · Users can receive Flex Alerts to notify them when conservation is needed, get energy system notifications, along with ability to add ISO meetings and events to their calendar. About the California ISO: As the nonprofit public-benefit corporation ensuring reliability for most of California's and a portion of Nevada's high-voltage power grid, the California Independent System Operator (ISO) is helping advance a smarter, cleaner, and more reliable energy future. The ISO operates a competitive energy market that balances supply with demand and has a key role in achieving clean energy goals in the West. For more information about California ISO, visit www.caiso.com.
UAMPS
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UAMPS is a political subdivision of the State of Utah that provides wholesale electric energy, on a nonprofit basis, to community-owned utility systems throughout the Intermountain West. UAMPS' membership represents municipalities, joint action agencies, public utility districts, special service districts, rural cooperatives and water conservancy districts. UAMPS' Annual Member Conference brings together its members' representatives, governing board members and other utility personnel to discuss complex issues facing the electric utility industry.
Screenshots
Verdict
The clearest difference is update cadence: ISO Today at every 3 months against UAMPS's every 10 months. ISO Today also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support 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.
ISO Today ships an update every 3 months, UAMPS every 10 months. The most recent releases landed on October 17, 2026 and September 11, 2026 respectively.
| Parameter | ISO Today | UAMPS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (102 ratings) — better | — |
| Positive reviews | 74.1% of reviews | — |
| Number of ratings | 102 — better | — |
| Update frequency | Every 3 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | California Independent System Operator Corporation | Utah Associated Municipal Power Sytems |
Bugs and requests
ISO Today
Reported bugs
10 issues- App crashes on launch
- Calendar crashes instantly
- Alerts cannot be cleared
- Page does not scroll properly with alerts
- Items below Calendar unreachable on smaller screens
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- Text size for alerts too small and not adjustable
- App crashes when trying to view alert
- Alerts persist after reading
- Notifications are persistent even after refreshing
- App exits multiple times in a minute
Requested features
7 requests- Localized alerts
- Ability to turn on/off alerts for specific locales
- Multi-day and seasonal trends
- Home-screen widget
- See today's demand vs. last year/week
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- More differentiation on negative pricing levels
- 7-day history for a node
UAMPS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ISO Today
No in-app purchases
UAMPS
No in-app purchases









