# SPP Go vs OATI

The clearest difference is update cadence: OATI at every 2 weeks against SPP Go's every 5 months. On price, ads, in-app purchases and device support 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 ships an update every 5 months, OATI every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SPP Go | OATI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/spp-go/id6468679132/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 47 MB | 66 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Southwest Power Pool](https://appshunter.io/developer/1710426439) | [Open Access Technology International](https://appshunter.io/developer/575970514) |

## What reviewers say

### 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


### OATI

[App page](https://appshunter.io/ios/app/oati-events/id6781421818)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPP Go free?

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

### Is OATI free?

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

### Do SPP Go or OATI have ads?

Neither SPP Go nor OATI shows ads.

### Which is updated more often, SPP Go or OATI?

SPP Go ships an update every 5 months, and OATI every 2 weeks. Most recently, SPP Go was updated on October 30, 2026 and OATI on October 31, 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.*