ClassNK Directory vs Phoenix ESM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ClassNK Directory
Easily find contact details for a global network of survey offices. Search for locations by port, country, or keywords, and view them on Google Maps.
- Worldwide office network access
- Contact information for global offices
- Search offices by port, country, or keywords
- View office locations on Google Maps
- Access staff details
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The ClassNK Directory App gives you easy access to our worldwide office network at your fingertips. ClassNK is one of the leading classification societies, and working towards safer and greener future. To be connected with ClassNK's global survey offices has never been easier with this App. Key features: - Accessing contact information (such as address, telephone number, email address and staff) for ClassNK's global offices at any time. - Searching for office locations by port, country or keywords. - Searching survey office, port by using google maps.
Phoenix ESM
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With Phoenix ESM you are able to: - Allows you to perform an audit/inspection and report checklists offline. - Documents allow you to view and access all the documents including company manuals, policies, JHA’s, RA’s, etc. - You can download shipboard forms, checklists and post comments & view the revision changes made in the documents and/or forms. - Allows you to view and upload documents in word, forms or reports format.
Screenshots
Verdict
The clearest difference is update cadence: Phoenix ESM at every 6 weeks against ClassNK Directory's every 10 months. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ClassNK Directory ships an update every 10 months, Phoenix ESM every 6 weeks. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.
| Parameter | ClassNK Directory | Phoenix ESM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 15 MB | 51 MB |
| Age rating | 17+ | 17+ |
| Developer | NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION | SOUTH NESTS SOFTWARE SOLUTIONS AND PRIVATE LIMITED |
In-app purchases
ClassNK Directory
No in-app purchases
Phoenix ESM
No in-app purchases
Questions
Is ClassNK Directory free?
Is Phoenix ESM free?
Do ClassNK Directory or Phoenix ESM have ads?
Which is updated more often, ClassNK Directory or Phoenix ESM?
Other comparisons
