OHIO811 vs Trimble Unity
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!
Trimble Unity
This cloud-based suite helps water utilities manage assets and networks. It offers advanced workflows for mapping, performance assessment, and cost reduction, while ensuring public health and safety. The software integrates GIS and GNSS technologies for accurate data collection and reporting.
- Cloud-based collaboration suite
- GIS-centric asset management
- Mobile data collection
- Offline operation
- Intelligent data forms
- GPS positioning and photo capture
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Trimble® Unity Work Management software offer a unified cloud-based, GIS-centric and mobile collaboration suite of applications for water, wastewater and stormwater asset and network management. Includes advanced workflows to map, manage, measure and improve asset performance, reduce operations costs, and improve public health and safety Combined with Trimble’s GNSS and Esri’s GIS technologies, the software offers advanced features to map, locate and assess the performance of critical infrastructure assets, enabling utilities to keep their field infrastructure data up-to-date and accurate, monitor asset operating conditions, manage leak repairs, reduce non-revenue water, deploy and inspect smart meters, lower potential threats to safety and health due to contamination and adhere to regulators’ reporting guidelines and requirements. • GIS-centric solution, enabling water utility personnel to bring GIS and asset information out to the field • Eliminates error prone paper and manual data entry • Operates online and offline with full access to asset data • Provides seamless flow of data between the field and office • Provides intelligent data collection forms and workflows using business rules, default values and conditional attributes • Captures photos and Accurate GPS positions
Screenshots
Verdict
OHIO811 and Trimble Unity both sit at 3.5 stars, but that hides the real split: 60% of OHIO811's written reviews are positive against 0% of Trimble Unity's. OHIO811 also leads on iOS requirement (11.0 vs 15.0). Trimble Unity's advantage is ads (none vs shown) and update cadence (monthly vs every 9 months). On price, rating, ratings volume and in-app purchases 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.
On the App Store both sit at effectively the same score — 3.5 for OHIO811 against 3.5 for Trimble Unity. Both are backed by a comparable volume of ratings — 10 and 8 respectively. Written reviews are what separate them: 60% of OHIO811's written reviews are positive against 0% of Trimble Unity's.
OHIO811 ships an update every 9 months, Trimble Unity monthly. The most recent releases landed on October 4, 2026 and September 20, 2026 respectively.
| Parameter | OHIO811 | Trimble Unity |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (10 ratings) | 3.5 (8 ratings) |
| Positive reviews | 60.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 10 — better | 8 |
| Update frequency | Every 9 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 30 MB | 384 MB |
| Age rating | 4+ | 4+ |
| Developer | Ohio Utilities Protection Service | Trimble Inc. |
Customer experience
OHIO811
Trimble Unity
In-app purchases
OHIO811
No in-app purchases
Trimble Unity
No in-app purchases
Questions
Is OHIO811 free?
Is Trimble Unity free?
Which has better reviews, OHIO811 or Trimble Unity?
Do OHIO811 or Trimble Unity have ads?
Which is updated more often, OHIO811 or Trimble Unity?
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