ISO Today vs MISO Mobile
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.
MISO Mobile
Visualize real-time energy market data and grid conditions. Monitor supply, demand, prices, and fuel mix 24/7 with instant system notifications.
- Real-time energy market visualization
- 24/7 grid condition monitoring
- Supply and demand tracking
- Price monitoring
- Fuel mix data
- Real-time system notifications
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Visualize MISO’s world-class energy markets in real time. MISO Mobile enables 24/7 grid condition monitoring, including energy supply and demand, prices, fuel mix, and real-time system notifications.
Screenshots
Verdict
The clearest difference is rating: MISO Mobile at 5.0 against ISO Today's 4.2. MISO Mobile also leads on review sentiment (100% vs 74%) and update cadence (monthly vs every 3 months). ISO Today's advantage is ratings volume (103 vs 27) and iOS requirement (13.0 vs 17.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MISO Mobile holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 103 and 27 respectively. Written reviews point the same way: 74% of ISO Today's written reviews are positive against 100% of MISO Mobile's.
ISO Today ships an update every 3 months, MISO Mobile monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | ISO Today | MISO Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (103 ratings) | 5.0 (27 ratings) — better |
| Positive reviews | 74.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 103 — better | 27 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 11 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | California Independent System Operator Corporation | Midcontinent Independent System Operator, Inc. |
Customer experience
ISO Today
MISO Mobile
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
MISO Mobile
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ISO Today
No in-app purchases
MISO Mobile
No in-app purchases







