# OHIO811 vs SLV

The clearest difference is ads: SLV at none against OHIO811's shown. OHIO811's advantage is iOS requirement (11.0 vs 26.0). On price, update cadence, 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.

OHIO811 ships an update every 9 months, SLV every 6 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OHIO811 | SLV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (11 ratings)](https://appshunter.io/ios/app/ohio811/id713526907/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 78 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ohio Utilities Protection Service](https://appshunter.io/developer/713526910) | [TerraGo](https://appshunter.io/developer/894862292) |

## What reviewers say

### OHIO811

[App page](https://appshunter.io/ios/app/ohio811/id713526907)

This app serves as a communication link for individuals planning to dig, relaying requests to utility companies. It provides information on safe digging practices, upcoming events, and legal requirements. Users can check line markings and submit excavation requests.

**Highlights:** Relay digging requests to utilities, Safe digging information, Upcoming events calendar, Legal and legislative updates, Positive Response for line markings, Submit single address locates (e-dig), View nearby excavations (Near ticket)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLV

[App page](https://appshunter.io/ios/app/slvgo-aep/id1633703299)

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

**In-app purchases:** none


## Frequently asked questions

### Is OHIO811 free?

OHIO811 is free to download, with no in-app purchases.

### Is SLV free?

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

### Do OHIO811 or SLV have ads?

OHIO811 shows ads; SLV does not.

### Which is updated more often, OHIO811 or SLV?

OHIO811 ships an update every 9 months, and SLV every 6 months. Most recently, OHIO811 was updated on October 21, 2026 and SLV on October 14, 2026.

---

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