Comparison

ZeroHarm vs VesselMan

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

Head to head
About

ZeroHarm

Conduct health and safety risk assessments before entering hazardous environments. Get real-time safety information like weather and alerts from colleagues. Designed for organizations with staff in dangerous conditions.

Highlights
  • Task risk assessment
  • Safety information access
  • Weather and sea conditions
  • Colleague alerts
  • Hazardous environment support
Features
Read full description

The ZeroHarm app is designed to allow the user to carry out a health and safety risk assessment before beginning in a potentially dangerous environment. The App has a number of key safety features: โ€ข It will enable the user to complete a simple task risk assessment prior to conducting the task. The app will walk the user through a number of questions to ensure that the user has carefully considered all aspects of any potential risk that may occur. The app is designed principally for organizations that have staff operating in dangerous conditions such as over water, near stored energy, working at height or in the line of fire, as well as many other potentially hazardous and dangerous conditions. โ€ข It provides up-to-date safety information at your fingertips, such as the weather and local sea conditions for your area. โ€ข It has an alert feature so your colleagues can notify you when something changes such as the weather, or there is something you need to know. Lloyds Register is committed to safety at work and this app has been created to help achieve that goal.

About

VesselMan

Features
Read full description

VesselMan Mobile Tracking app offers a simple and effective tool for updating project progress during a dry-docking. The feature set is specially designed to allow for quick and easy updating of work progress and completion. Features including: โ€ข Track progress on jobs in the shipyard both offline and online โ€ข Automatically syncs with the cloud when online so that you and your team always know the current status on each job โ€ข Mark jobs as done, delayed or critical โ€ข Easy to take pictures and report during inspections and repairs โ€ข Search and advanced filtering to quickly find what you need โ€ข Bring the specification with you at all times VesselMan is a lean collaboration system for managing technical operations and maintenance projects, such as dry-docking, turnkey projects, ship repairs and refits.

Screenshots

ZeroHarm4 screens
VesselMan4 screens

Verdict

The call

The clearest difference is update cadence: VesselMan at every 5 weeks against ZeroHarm's every 3 months. ZeroHarm's advantage is iOS requirement (13 vs 16.4). On price, ads, in-app purchases and device support 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

ZeroHarm ships an update every 3 months, VesselMan every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard2 real differences ยท 6 level
ZeroHarm versus VesselMan: the parameters behind the verdict, then further details
ParameterZeroHarmVesselMan
PriceFreeFree
Positive reviews50.0% of reviewsโ€”
Update frequencyEvery 3 monthsEvery 5 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPodiPhone, iPad
Requires iOS13 โ€” better16.4
Further details โ€” not scored
Size30 MB60 MB
Age rating4+4+
DeveloperLloyd's Register Group Services LimitedVesselMan AS

In-app purchases

None

ZeroHarm

No in-app purchases

None

VesselMan

No in-app purchases

Questions

Is ZeroHarm free?
ZeroHarm is free to download, with no in-app purchases.
Is VesselMan free?
VesselMan is free to download, with no in-app purchases.
Do ZeroHarm or VesselMan have ads?
Neither ZeroHarm nor VesselMan shows ads.
Which is updated more often, ZeroHarm or VesselMan?
ZeroHarm ships an update every 3 months, and VesselMan every 5 weeks. Most recently, ZeroHarm was updated on November 2, 2026 and VesselMan on November 3, 2026.

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