# MISO Mobile vs SPP Go

The clearest difference is update cadence: MISO Mobile at monthly against SPP Go's every 5 months. MISO Mobile also leads on rating (5.0 vs 4.8) and ratings volume (27 vs 4). On price, review sentiment, ads and in-app purchases there is nothing between them.

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 4.8. That said, the two scores are not equally well evidenced: MISO Mobile has 27 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

MISO Mobile ships an update monthly, SPP Go every 5 months. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MISO Mobile | SPP Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (27 ratings)](https://appshunter.io/ios/app/miso-mobile/id1041467824/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/spp-go/id6468679132/reviews) |
| Number of ratings | **27** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | Free |
| Size | 58 MB | 47 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Midcontinent Independent System Operator, Inc.](https://appshunter.io/developer/1041467823) | [Southwest Power Pool](https://appshunter.io/developer/1710426439) |

## What reviewers say

### MISO Mobile

[App page](https://appshunter.io/ios/app/miso-mobile/id1041467824)

Visualize real-time energy market data and grid conditions. Monitor supply, demand, prices, and fuel mix 24/7 with instant system notifications.

**Highlights:** Real-time energy market visualization, 24/7 grid condition monitoring, Supply and demand tracking, Price monitoring, Fuel mix data, Real-time system notifications

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SPP Go

[App page](https://appshunter.io/ios/app/spp-go/id6468679132)

Stay informed about regional electricity grid conditions. Receive instant alerts for advisories and alerts impacting your service territory. Access additional grid condition information online.

**Highlights:** Real-time push notifications, Advisories and alerts, Service territory specific information, Grid condition updates, Access to additional online resources

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MISO Mobile free?

MISO Mobile is free to download, with no in-app purchases.

### Is SPP Go free?

SPP Go is free to download, with no in-app purchases.

### Which has better reviews, MISO Mobile or SPP Go?

MISO Mobile is rated higher. MISO Mobile averages 5.0 out of 5 from 27 ratings, while SPP Go averages 4.8 from 4 ratings.

### Do MISO Mobile or SPP Go have ads?

Neither MISO Mobile nor SPP Go shows ads.

### Which is updated more often, MISO Mobile or SPP Go?

MISO Mobile ships an update monthly, and SPP Go every 5 months. Most recently, MISO Mobile was updated on September 16, 2026 and SPP Go on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*