OHIO811 vs ZIG Inspector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OHIO811
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.
- 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)
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Established in 1972, OHIO811 is a nonprofit organization that serves as a communication link between utility companies and individuals planning any digging activity. Though OHIO811 does not physically mark lines, we do relay digging and excavation requests to our member network of utilities and underground facility owners. This network includes, but not limited to cable television, natural gas, electrical, water, sewer, and telecommunications companies. Our continued commitment to advanced technologies has given our organization an advantage, recognized both statewide and nationally. We also devote a significant portion of our time and resources to promoting safe digging throughout the state, through presentations, special events, partnerships, and public education and outreach initiatives. Download the OHIO811 app, it has lots of helpful information to those new to the "Call Before You Dig" process as well as those familiar with the process. You can view upcoming events, how OHIO811 works, the law, legislative updates, contract locator lists, videos of the safe digging process, FAQ's, information on Damage Prevention Councils and the Public Outreach Team or what it takes to be a member of our service using Membership options. Use Positive Response to check on who has marked their lineS. e-dig can be used to enter single address locates. Users of i-dig can now enter tickets using our new HTML 5 i-dig. Near ticket will show you where excavations are taking place around your current location. Remember, Call (or click) before you dig! It's fast, it's free and it's the law!
ZIG Inspector
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ZIG Inspector allows field staff to scan and validate tickets at stadiums and transit venues. Quickly verify QR codes, ensure secure access, and keep operations running smoothly.
Screenshots
Verdict
The clearest difference is ads: ZIG Inspector at none against OHIO811's shown. ZIG Inspector also leads on update cadence (every 3 days vs every 9 months). OHIO811's advantage is iOS requirement (11.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, ZIG Inspector every 3 days. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.
| Parameter | OHIO811 | ZIG Inspector |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (10 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 9 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 30 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ohio Utilities Protection Service | Zed Digital |
In-app purchases
OHIO811
No in-app purchases
ZIG Inspector
No in-app purchases
Questions
Is OHIO811 free?
Is ZIG Inspector free?
Do OHIO811 or ZIG Inspector have ads?
Which is updated more often, OHIO811 or ZIG Inspector?
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