Comparison

H2CommandCentre vs DMS2

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

Head to head
About

H2CommandCentre

Instantly notify and assemble emergency response teams. Share critical information like site pictures and spill trajectories to create a unified operating picture. Integrates your emergency response plan for quick and compliant reactions.

Highlights
  • Instant team notification and assembly
  • Share critical incident information
  • Unified communication system
  • Emergency Response Plan integration
  • Document and communication logging
  • Broadcast private and public messages
  • Attach images and files
Features
Read full description

H2CommandCentre is where you go to manage your emergency. Effortlessly notify and assemble your emergency response team(s) in an instant from your phone. H2CommandCentre allows you to immediately provide the entire response team with critical information (ICS 201, site pictures, spill trajectories, etc.), creating an effective common operating picture in the first operational period. The app provides an easy to use and essential unified communication system, overcoming the number obstacle in emergency response. H2CommandCentre integrates your Emergency Response Plan(s) and gives you the confidence and clarity to react in an instant. Your ERP is instantly accessible and automatically updated to ensure you always stay compliant. H2Safety's H2CommandCentre mobile app allows all responders (internal or external if required) to easily record and organize all of their documentation and communications in one location. Messages can be broadcast both privately and publicly to specific groups and individuals using H2CommandCentre. Attachments such as images and files can also be added for increased accuracy and efficiency. The H2CommandCentre mobile app is accessible from any smartphone device ensuring users in the field or those without computer access can still participate and keep up to date on the emergency. Mobile users can also take a photo of their surroundings and upload it to their H2CommandCentre session on the spot. All correspondence is logged and saved for reporting and audit purposes.

About

DMS2

Features
Read full description

Enables mobile devices to access data on Quest's Data Management Service. Receive new data notification alerts. View current device status. Review historical data.

Screenshots

H2CommandCentre4 screens
DMS24 screens

Verdict

The call

The clearest difference is iOS requirement: DMS2 at 12.1 against H2CommandCentre's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

H2CommandCentre ships an update monthly, DMS2 every 4 weeks. The most recent releases landed on September 27, 2026 and September 12, 2026 respectively.

Scorecard1 real difference ยท 7 level
H2CommandCentre versus DMS2: the parameters behind the verdict, then further details
ParameterH2CommandCentreDMS2
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyMonthlyEvery 4 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.1 โ€” better
Further details โ€” not scored
Size215 MB112 MB
Age rating4+4+
DeveloperH2Safety Services Inc.Quest Data Inc

In-app purchases

None

H2CommandCentre

No in-app purchases

None

DMS2

No in-app purchases

Questions

Is H2CommandCentre free?
H2CommandCentre is free to download, with no in-app purchases.
Is DMS2 free?
DMS2 is free to download, with no in-app purchases.
Do H2CommandCentre or DMS2 have ads?
Neither H2CommandCentre nor DMS2 shows ads.
Which is updated more often, H2CommandCentre or DMS2?
H2CommandCentre ships an update monthly, and DMS2 every 4 weeks. Most recently, H2CommandCentre was updated on September 27, 2026 and DMS2 on September 12, 2026.

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