Comparison

Atom (Site Engineer) vs OneApp (OCG)

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

Head to head
About

Atom (Site Engineer)

Features
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Site Engineer is a fully integrated mobile application that runs side by side with Atom. Empower your staff to instantly send and receive jobs, sites, contacts and important documentation to keep your business flowing at the speed you expect. Staff record time spent and parts used on jobs and obtain customer sign off whilst on site and update the office automatically giving management a real time overview of work and resources. This app provides all the features & functionality to allow your field based team to manage jobs they have been assigned. With Site Engineer you can: 1. Have full visibility of jobs assigned to you. 2. Complete Task lists. 3. Complete customised electronic documents. 4. Attach documents received from third party vendors to jobs. 5. View full details of sites and maintenance plans. 6. Manage your statutory F-Gas requirements.

About

OneApp (OCG)

Features
Read full description

OneApp – Streamline Your Workforce Management OneApp is an all-in-one workforce management solution designed to enhance efficiency in handling Customer, Property, Employee, and Timesheet records. With a user-friendly interface, the app simplifies timesheet approvals, expense tracking, reminders, and reportingβ€”allowing businesses to optimize operations seamlessly. Key Features: Timesheet Management – Easily track, submit, and approve timesheets. Expense Tracking – Log and monitor business expenses effortlessly. Automated Reminders – Stay on top of approvals, deadlines, and tasks. Comprehensive Reporting – Generate insightful reports for better decision-making. Data Security: The app strictly handles company dataβ€”no personal user data is collected. Enhance your workforce efficiency with OneApp today!

Screenshots

Atom (Site Engineer)4 screens
OneApp (OCG)4 screens

Verdict

The call

Atom (Site Engineer) and OneApp (OCG) are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on September 10, 2026.

ScorecardNo meaningful differences
Atom (Site Engineer) versus OneApp (OCG): the parameters behind the verdict, then further details
ParameterAtom (Site Engineer)OneApp (OCG)
PriceFreeFree
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details β€” not scored
Size51 MB39 MB
Age rating4+4+
DeveloperSaphire Computers LimitedRGE SERVICES LIMITED

In-app purchases

None

Atom (Site Engineer)

No in-app purchases

None

OneApp (OCG)

No in-app purchases

Questions

Is Atom (Site Engineer) free?
Atom (Site Engineer) is free to download, with no in-app purchases.
Is OneApp (OCG) free?
OneApp (OCG) is free to download, with no in-app purchases.
Do Atom (Site Engineer) or OneApp (OCG) have ads?
Neither Atom (Site Engineer) nor OneApp (OCG) shows ads.
Which is updated more often, Atom (Site Engineer) or OneApp (OCG)?
Atom (Site Engineer) ships an update fortnightly, and OneApp (OCG) fortnightly. Most recently, Atom (Site Engineer) was updated on September 10, 2026 and OneApp (OCG) on September 10, 2026.

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