GyroCop vs JumpIn eOTG
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
GyroCop
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GyroCop is a practical marine compass check tool designed for seafarers. The app helps officers perform celestial compass checks using the Sun, Moon, planets and bright stars. It supports clear bridge workflows for calculating magnetic course, deviation and final compass error. Main features: ⢠Celestial compass check calculations ⢠Sun, Moon, planets and bright stars support ⢠Magnetic course and compass error calculation ⢠Vessel deviation card storage ⢠Deviation curve view ⢠Check history and reports ⢠Clean dark maritime interface GyroCop is designed for practical bridge use and training. Important: GyroCop is a calculation aid only. It does not replace official navigation equipment, approved onboard procedures, nautical publications, class/company requirements, or the professional judgment of the officer on watch.
JumpIn eOTG
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JumpIn eOTG is a digital platform that supports onboard cadet development by providing a centralized system for training guidance, progress tracking, competency management, and performance monitoring. Cadets and supervisors can easily manage training activities, record accomplishments, and monitor development milestones anytime, anywhere. Designed to streamline the cadetship journey, JumpIn eOTG promotes structured learning, accountability, and continuous growth at sea. An account provided by a participating institution or organization is required to access the platform. Organizations using JumpIn eOTG manage user registration and account provisioning for their authorized users. Complete and Monitor Training Tasks Stay on top of your onboard training with tools designed to keep your progress organized and up to date. ⢠View assigned training tasks and competency requirements ⢠Track your training progress throughout your cadetship ⢠Upload supporting documents, photos, and other evidence for completed tasks ⢠Receive feedback and approval updates from your training supervisors Review and Validate Training Progress Supervisors and training officers can efficiently oversee cadet development and training accomplishments. ⢠Review submitted task evidence ⢠Approve or return submissions with comments and feedback ⢠Monitor competency development and completion status ⢠Stay informed with progress updates across assigned trainees Built for Maritime Training Institutions ⢠Secure access for authorized users of participating institutions ⢠Offline support for onboard operations with automatic synchronization ⢠Centralized competency tracking and training records ⢠Streamlined communication between cadets and supervisors ⢠Designed to support structured onboard learning and continuous development
Screenshots
Verdict
The clearest difference is device support: JumpIn eOTG at 3 against GyroCop's 1. JumpIn eOTG also leads on iOS requirement (15.6 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.
| Parameter | GyroCop | JumpIn eOTG |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | Every 6 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod ā better |
| Requires iOS | 17.6 | 15.6 ā better |
| Further details ā not scored | ||
| Size | 14 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | Dlyaver Alchik | Jomarin Terre |
In-app purchases
GyroCop
No in-app purchases
JumpIn eOTG
No in-app purchases
Questions
Is GyroCop free?
Is JumpIn eOTG free?
Do GyroCop or JumpIn eOTG have ads?
Which is updated more often, GyroCop or JumpIn eOTG?
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