TVA Energy Data vs MISO Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TVA Energy Data
Access near real-time and historical energy usage data, demand information, and power system alerts. This app requires authorized access and is designed for TVA's directly served customers needing on-the-go information.
- Near real-time energy data
- Current day interval data
- Month-to-date usage and demand
- Historical energy and demand
- Power system alerts
- TVA key contacts
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Download the TVA Energy Data mobile app for an easy-to-use resource providing information to TVA’s directly served customers who need ready access to information away from their desktop computers. Authorized access is required. Information available: • Near real-time and current day interval data • Month-to-date energy usage and demand • Historical monthly energy and demand • Power system alerts • TVA key contacts
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 update cadence: MISO Mobile at monthly against TVA Energy Data's every 6 months. MISO Mobile also leads on ratings volume (27 vs 3). TVA Energy Data's advantage is iOS requirement (13.0 vs 17.6). On price, rating, review sentiment and ads 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 — 5.0 for TVA Energy Data against 5.0 for MISO Mobile. That said, the two scores are not equally well evidenced: MISO Mobile has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
TVA Energy Data ships an update every 6 months, MISO Mobile monthly. The most recent releases landed on September 14, 2026 and September 16, 2026 respectively.
| Parameter | TVA Energy Data | MISO Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (27 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 27 — better |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 26 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Tennessee Valley Authority | Midcontinent Independent System Operator, Inc. |
Customer experience
TVA Energy Data
MISO Mobile
In-app purchases
TVA Energy Data
No in-app purchases
MISO Mobile
No in-app purchases
