# OHIO811 vs Zonar Driver

The clearest difference is ads: Zonar Driver at none against OHIO811's shown. Zonar Driver also leads on update cadence (fortnightly vs every 9 months). OHIO811's advantage is iOS requirement (11.0 vs 15.1). On price, 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, Zonar Driver fortnightly. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | OHIO811 | Zonar Driver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (10 ratings)](https://appshunter.io/ios/app/ohio811/id713526907/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 114 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ohio Utilities Protection Service](https://appshunter.io/developer/713526910) | [Zonar](https://appshunter.io/developer/490698341) |

## 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


### Zonar Driver

[App page](https://appshunter.io/ios/app/zonar-driver/id6761648743)

**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 Zonar Driver free?

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

### Do OHIO811 or Zonar Driver have ads?

OHIO811 shows ads; Zonar Driver does not.

### Which is updated more often, OHIO811 or Zonar Driver?

OHIO811 ships an update every 9 months, and Zonar Driver fortnightly. Most recently, OHIO811 was updated on October 4, 2026 and Zonar Driver on October 9, 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.*