# ISO Today

> California ISO

Canonical page: [https://chrome-stats.com/d/id596881268](https://chrome-stats.com/d/id596881268)

## Overview

- **ID:** `id596881268`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** California Independent System Operator Corporation
- **Category:** Business
- **Rating:** 4.20 / 5 (102 ratings)
- **Version:** 5.5
- **Last updated:** 2026-04-30
- **First published:** 2013-02-07
- **Size:** 11 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/iso-today/id596881268)
- **Website:** [https://www.caiso.com](https://www.caiso.com/)
- **Privacy policy:** [http://www.caiso.com/Pages/PrivacyPolicy.aspx](http://www.caiso.com/Pages/PrivacyPolicy.aspx)

## Description

ISO Today delivers real-time visibility into the California ISO power grid, including grid conditions, prices, renewable production, and emissions. It offers alerts, trend graphs, and an intuitive view of supply, demand, and forecasted peaks to help you stay informed and plan effectively.

With calendar integration, Flex Alerts, and an interactive price map filtered by Location Marginal Prices (LMP), you can track demand, monitor energy markets, and add ISO meetings or events to your calendar.

## Rankings

- #139,325 — Overall

## Review summary

ISO Today provides rich CAISO grid data, useful alerts, and polished visuals, with recent updates expanding data and organization. Recurrent issues include crashes, slow loading, noisy/unclear alerts, and limited localization, plus calendar-related instability that affect usability.

### Pros

- Comprehensive, data-rich CAISO grid information.
- Useful alerts for conservation and staying informed about grid conditions.
- Clear, visually appealing data visualizations and plotting options.
- Easy to use and aesthetically pleasing interface.
- Recent updates add more data and improve organization.

### Cons

- Alerts are duplicated and hard to clear, leading to notification spam.
- The app crashes frequently (crashes on launch and during use).
- Performance can be slow, with long load/refresh times.
- Alerts are not localized to the user’s area and lack granular filtering.
- Calendar-related features crash or behave unreliably on some devices.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id596881268)