# PJM Now vs SPP Go

The clearest difference is review sentiment: SPP Go at 100% against PJM Now's 22%. SPP Go also leads on rating (4.8 vs 3.6). PJM Now's advantage is ratings volume (26 vs 4). On price, update cadence, 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.

SPP Go holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: PJM Now has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 22% of PJM Now's written reviews are positive against 100% of SPP Go's.

PJM Now ships an update every 3 months, SPP Go every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | PJM Now | SPP Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (26 ratings)](https://appshunter.io/ios/app/pjm-now/id1180491584/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/spp-go/id6468679132/reviews)** |
| Number of ratings | **26** | 4 |
| Positive reviews | 22.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 38 MB | 47 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PJM Interconnection](https://appshunter.io/developer/1180491583) | [Southwest Power Pool](https://appshunter.io/developer/1710426439) |

## What reviewers say

### PJM Now

[App page](https://appshunter.io/ios/app/pjm-now/id1180491584)

Monitor electricity usage, grid status, and wholesale power prices in real-time for the PJM Interconnection region. Get alerts for price changes and grid conditions, and view power flow and fuel mix.

**Highlights:** Real-time electricity use tracking, Wholesale power price monitoring, Interactive map of prices by location, PJM grid condition alerts, Power flow visualization, Current fuel mix display

**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 PJM Now free?

PJM Now 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, PJM Now or SPP Go?

SPP Go is rated higher. PJM Now averages 3.6 out of 5 from 26 ratings, while SPP Go averages 4.8 from 4 ratings.

### Do PJM Now or SPP Go have ads?

Neither PJM Now nor SPP Go shows ads.

### Which is updated more often, PJM Now or SPP Go?

PJM Now ships an update every 3 months, and SPP Go every 5 months. Most recently, PJM Now was updated on October 24, 2026 and SPP Go on October 24, 2026.

---

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