Comparison

Gas International vs Atom (Site Engineer)

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

Head to head
About

Gas International

This official journal provides the latest news, features, and articles relevant to the entire gas industry, including upstream and downstream marketplaces. It offers content aimed at managers working in or alongside the gas sector. Access all issues with a subscription or IGEM membership.

Highlights
  • Latest gas sector news
  • IGEM activities updates
  • Upstream and downstream marketplace articles
  • Manager-focused content
  • Sample issue available for free
  • Subscription options
Features
Read full description

Gas International is the official magazine of the Institution of Gas Engineers and Management (IGEM). Gi is the ideal way to keep up to date with the latest news of the gas sector and the activities of IGEM. Editorially Gi covers the whole of the gas industry including news, features and articles relevant to both the upstream and downstream marketplaces. In addition, the journal provides a range of articles aimed at managers working in or alongside the gas sector. Purchase options: Gas International is available for purchase as an auto-renewable subscription as follows: ∙Yearly subscription for £124.99 ∙Payment will be charged to your iTunes account ∙Account will be charged for £124.99 renewal within 24-hours prior to the end of the current period depending on subscription plan ∙Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase ∙No cancellation of the current subscription is allowed during active subscription period You can try out the sample issue for FREE but to access all other issues you will need to subscribe or enter your IGEM membership details. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Atom (Site Engineer)

Features
Read full description

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.

Screenshots

Gas International2 screens
Atom (Site Engineer)4 screens

Verdict

The call

The clearest difference is in-app purchases: Atom (Site Engineer) at none against Gas International's 1. Atom (Site Engineer) also leads on update cadence (fortnightly vs every 6 months). On price, ads, device support and iOS requirement 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. Gas International sells 1 in-app purchase, starting at $179.99 per year. Atom (Site Engineer) asks for nothing beyond the download.

UpkeepUpdate frequency

Gas International ships an update every 6 months, Atom (Site Engineer) fortnightly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 6 level
Gas International versus Atom (Site Engineer): the parameters behind the verdict, then further details
ParameterGas InternationalAtom (Site Engineer)
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size16 MB51 MB
Age rating4+4+
DeveloperSyon Publishing Ltd (Apps)Saphire Computers Limited

In-app purchases

1 purchases

Gas International

Subscriptions1
  • Gas International Auto Renew Subscription$179.991 Year
None

Atom (Site Engineer)

No in-app purchases

Questions

Is Gas International free?
Gas International is free to download, with in-app purchases available.
Is Atom (Site Engineer) free?
Atom (Site Engineer) is free to download, with no in-app purchases.
Do Gas International or Atom (Site Engineer) have ads?
Neither Gas International nor Atom (Site Engineer) shows ads.
Which is updated more often, Gas International or Atom (Site Engineer)?
Gas International ships an update every 6 months, and Atom (Site Engineer) fortnightly. Most recently, Gas International was updated on November 1, 2026 and Atom (Site Engineer) on October 25, 2026.

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