Comparison

SIRE 2.0 Prep vs Marine Engineer

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

Head to head
About

SIRE 2.0 Prep

Features
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SIRE 2.0 Prep app by Solmarine enables seafarers to prepare for the SIRE 2.0 inspection process by making sure the entire questionnaire is covered by an easy to use manner.

About

Marine Engineer

Features
Read full description

Marine Engineer is a professional vessel management and engineering workspace designed for marine engineers and engine officers. Keep machinery details, engineering calculations, tank records, daily work, technical notes, certificates and documents organised under separate vessel profiles. Continue working even while offline at sea. KEY FEATURES Vessel Profiles Create separate vessel profiles and keep technical information, operational records and documents organised in one place. Machinery Inventory Record main engines, diesel generators, boilers, pumps, separators, compressors, fresh water generators, refrigeration systems and auxiliary equipment. Engineering Calculators Access practical tools for tank geometry, shaft power, engine performance, mechanical calculations, fluid systems, thermal calculations and unit conversions. Bunker Fuel Calculator Calculate bunker quantities using tank measurements, temperature and density corrections. Prepare fuel blending and internal transfer calculations and save records under the relevant vessel. Tank Management Create calibrated tank profiles and calculate quantities from sounding or ullage measurements. Manage IOPP tank details and track balances associated with supported ORB operations. Logbook and Technical Notes Record daily activities, maintenance work, outstanding tasks, recommendations and watchkeeping notes. Track completed work and keep important information organised for your next handover. Edit and Delete Records Long-press supported saved records to edit or delete them. Update calculation inputs and recalculate results without creating unnecessary duplicate records. Professional Handover PDF Reports Create and export structured PDF reports containing vessel information, technical records and completed work for professional handovers. Vessel Document Archive Keep technical manuals, certificates, vessel photographs, personnel documents and other technical files under the relevant vessel profile. Certificate Tracking Record certificate issue and expiry dates, review renewal status and enable expiry reminders. OPTIONAL ORB PART I MODULE Prepare structured Oil Record Book Part I entries using operation-specific workflows for: โ€ข Sludge collection, transfer and disposal โ€ข Bilge water transfers and discharge โ€ข 15 ppm equipment operations โ€ข Bunkering โ€ข Incineration โ€ข Weekly inventory and equipment tests โ€ข Additional ORB remarks Use registered tank details, review calculated quantities for supported operations and check the structured preview before transferring information to the official Oil Record Book. FREE ACCESS AND OPTIONAL PURCHASES Manage one vessel free of charge. EngineRoom Pro auto-renewing subscriptions provide additional vessel capacity. Available plans support up to 3, 5, 10 or 15 vessels, or unlimited vessels. The ORB Part I module is not included in EngineRoom Pro subscriptions and is available separately as a one-time lifetime purchase. Subscription prices and billing periods are displayed in the app before purchase. Subscriptions renew automatically unless cancelled before the renewal date. You can manage or cancel your subscription in your App Store account settings. IMPORTANT Marine Engineer is designed to support calculations and record preparation. It does not replace approved vessel documents, official record books or professional judgement. Calculations, tank quantities and ORB entries must be reviewed by the responsible officer and verified against vessel documentation, company procedures and applicable regulations. Knowledge โ€ข Safety โ€ข Efficiency By your side, every watch. Privacy Policy: https://medpov.com/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SIRE 2.0 Prep4 screens
Marine Engineer4 screens

Verdict

The call

The clearest difference is in-app purchases: SIRE 2.0 Prep at none against Marine Engineer's 6. Marine Engineer's advantage is update cadence (every 6 days vs every 6 weeks). On price, ads, device support and iOS requirement 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. Marine Engineer sells 6 in-app purchases, starting at $0.99 per month. SIRE 2.0 Prep asks for nothing beyond the download.

UpkeepUpdate frequency

SIRE 2.0 Prep ships an update every 6 weeks, Marine Engineer every 6 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

Scorecard2 real differences ยท 4 level
SIRE 2.0 Prep versus Marine Engineer: the parameters behind the verdict, then further details
ParameterSIRE 2.0 PrepMarine Engineer
PriceFreeFree
Update frequencyEvery 6 weeksEvery 6 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 โ€” better
Further details โ€” not scored
Size22 MB65 MB
Age rating17+12+
DeveloperCeejo ThomasOral Elmas

In-app purchases

None

SIRE 2.0 Prep

No in-app purchases

6 purchases

Marine Engineer

Subscriptions5
  • EngineRoom Pro - 3 Vessels1 Month trial$0.991 Month
  • EngineRoom Pro - 5 Vessels1 Month trial$1.991 Month
  • EngineRoom Pro - 10 Vessels1 Month trial$2.991 Month
Show 2 more
  • EngineRoom Pro - 15 Vessels1 Month trial$3.991 Month
  • EngineRoom Pro - Unlimited$5.991 Month
One-time1
  • ORB Part I โ€“ Lifetime Access$24.99

Questions

Is SIRE 2.0 Prep free?
SIRE 2.0 Prep is free to download, with no in-app purchases.
Is Marine Engineer free?
Marine Engineer is free to download, with in-app purchases available.
Do SIRE 2.0 Prep or Marine Engineer have ads?
Neither SIRE 2.0 Prep nor Marine Engineer shows ads.
Which is updated more often, SIRE 2.0 Prep or Marine Engineer?
SIRE 2.0 Prep ships an update every 6 weeks, and Marine Engineer every 6 days. Most recently, SIRE 2.0 Prep was updated on October 10, 2026 and Marine Engineer on October 13, 2026.

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