Comparison

OHIO811 vs Trimble Unity

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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!

About

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.

Highlights
  • Cloud-based collaboration suite
  • GIS-centric asset management
  • Mobile data collection
  • Offline operation
  • Intelligent data forms
  • GPS positioning and photo capture
Features
Read full description

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

OHIO8114 screens
Trimble Unity4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

OHIO811 ships an update every 9 months, Trimble Unity monthly. The most recent releases landed on October 4, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
OHIO811 versus Trimble Unity: the parameters behind the verdict, then further details
ParameterOHIO811Trimble Unity
PriceFreeFree
Rating3.5 (10 ratings)3.5 (8 ratings)
Positive reviews60.0% of reviews — better0.0% of reviews
Number of ratings10 — better8
Update frequencyEvery 9 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size30 MB384 MB
Age rating4+4+
DeveloperOhio Utilities Protection ServiceTrimble Inc.

Customer experience

OHIO811

All ratings10 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Trimble Unity

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

OHIO811

No in-app purchases

None

Trimble Unity

No in-app purchases

Questions

Is OHIO811 free?
OHIO811 is free to download, with no in-app purchases.
Is Trimble Unity free?
Trimble Unity is free to download, with no in-app purchases.
Which has better reviews, OHIO811 or Trimble Unity?
OHIO811 and Trimble Unity are both rated 3.5 out of 5 on the App Store, from 10 and 8 ratings respectively.
Do OHIO811 or Trimble Unity have ads?
OHIO811 shows ads; Trimble Unity does not.
Which is updated more often, OHIO811 or Trimble Unity?
OHIO811 ships an update every 9 months, and Trimble Unity monthly. Most recently, OHIO811 was updated on October 4, 2026 and Trimble Unity on September 20, 2026.

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