GESTIS vs Seafarer's Compendium
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GESTIS
This reference tool provides international limit values for chemical agents. A web application is now available, as a native mobile app will no longer be supported after January 6, 2025.
- International limit values for chemical agents
- Web application access
- Reference tool for chemical substances
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GESTIS - International limit values for chemical agents With the reprogramming of our "GESTIS - International Limits" web application, the provision of a native mobile app for iOS is no longer necessary. Therefore, no native app will be available in the respective stores from 06.01.2025. Instead, the web application can be found here: https://www.dguv.de/ifa/gestis/gestis-internationale-grenzwerte-fuer-chemische-substanzen-limit-values-for-chemical-agents/index-2.jsp
Seafarer's Compendium
This professional guide helps maritime managers and crew identify and assess hazardous situations. It provides concise information and illustrations to prepare for various operations and includes a notepad for recording security-relevant events and accidents.
- Hazard assessment
- Professional guidance
- Concise information
- Illustrations
- Notepad function
- Incident recording
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The “Seafarer's companion” has been written by professionals for professionals, and is designed to help managers and crew members recognise and assess hazardous situations. While, in practice, it cannot replace independent, responsible actions by the individual, it can help prepare for everyday or hazardous operations and situations so that the right action can be taken. Its modular structure enables you to quickly find concise information, as well as numerous illustrations describing the essential concepts. The notepad function allows the most important information on events relevant to security, especially accidents, to be recorded. Texts and images may serve as memory aids when preparing accident reports. Experience, knowledge and the abilities of each individual continue to be crucial to ensure occupational health and safety on board! BG Verkehr uses this handbook to help entrepreneurs and managers to fulfil their occupational health and safety responsibilities on board, and to establish a uniform level of safety standards. The “Maritime handbook” relies on your feedback and suggestions, so we expressely ask for your involvement! Please contact us at the following email address: handbuch-see@bg-verkehr.de
Screenshots
Verdict
The clearest difference is update cadence: Seafarer's Compendium at every 3 months against GESTIS's every 7 months. Seafarer's Compendium also leads on iOS requirement (9.3 vs 14.0). On price, review sentiment, ads and in-app purchases 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.
GESTIS ships an update every 7 months, Seafarer's Compendium every 3 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.
| Parameter | GESTIS | Seafarer's Compendium |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 7 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Deutsche Gesetzliche Unfallversicherung e.V. (DGUV) | ANOVA GmbH |
Customer experience
GESTIS
Seafarer's Compendium
In-app purchases
GESTIS
No in-app purchases
Seafarer's Compendium
No in-app purchases







