My HH System vs KR
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
My HH System
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It is our imagination that sparks new innovations. Heinen & Hopman is all about this creative drive. We ask ourselves βwhat if?β all the time. What ifβ¦ you could monitor your HVAC system performance anyplace and at any time? What ifβ¦ the system warned you when it was time for maintenance? What ifβ¦ you had a self-diagnosing system that gave you exact instructions on how to operate? What if I told you that these questions have already led to a powerful new tool? Meet SPOCC, the Service Portal and Operation Control Centre, which accessible on your smartphone, laptop or computer. It can be connected and integrated with your on-board HVAC system. Within the web portal and mobile app you can select spare parts to request a quote for, check the status of your service ticket and view general documents like work reports. Usage of the HH My System Mobile App will automatically result in a Digital Ship Logbook.
KR
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- KR-CON, developed by Korean Register, is a comprehensive IMO Convention Database containing IMO Conventions, Codes, Resolutions and Circulars in English, Korean and Chinese. - KR-CON is a portable electronic database containing a vast array of IMO instruments. It enables users to navigate the maze of IMO instruments swiftly and accurately through a variety of user-friendly functions. Users can browse the contents with the touch of a screen, and identify the regulations applicable to an individual ship simply by inputting its details. An intelligent search function allows specific contents to be found easily and quickly. - Who benefits from KR-CON? Maritime Administrations(PSCO) Shipping Companies and Seafarers Classification Societies Ship-builders Service Suppliers Training Institutes Academic Institutions - IMO approval of the carriage of publications in electronic form The Marine Environment Protection Committee (MEPC) and the Maritime Safety Committee (MSC) have approved MSC-MEPC.2 /Circ.2 which allows vessels to carry electronic media onboard instead of hard copy documents. This means that KR-CON can now be used onboard ship. KR-CON has also been recognized as an electronic version of IMO instruments by the 29 maritime administrations including Republic of Korea, Panama, Marshall Islands, Cyprus, Australia, Liberia, St. Vincent and the Grenadines, Isle of Man, and others.
Screenshots
Verdict
The clearest difference is update cadence: My HH System at every 8 months against KR's every 17 months. My HH System also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
My HH System ships an update every 8 months, KR every 17 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | My HH System | KR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months β better | Every 17 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 46 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | w3worx B.V. | Korean Register |
In-app purchases
My HH System
No in-app purchases
KR
No in-app purchases









