SeeOnSea vs OceanFishMap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SeeOnSea
Record and share observations of the marine world, including fauna, flora, and natural events. Enhance discoveries with a mini-wiki and explore various map layers. Offers offline mode and multi-language support for global usability.
- Public/private observation sharing
- 5 observation types (Fauna, Flora, etc.)
- Mini-wiki with additional info
- Intuitive search with seasonality
- Offline mode
- Multi-language support
- Multiple map layers
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Creation of public or private observations with possibility of adjustment for 24h in order to record the direction. Observations can be confirmed by anyone. Sharing private observations is reserved for a group or community for which they were made. SeeOnSea is worldwide usable, on all seas and oceans, and even on rivers and lakes. 5 types of observations are possible (that will be soon completed): - Fauna - Flora - Natural events - Human print (pollution, nets, containers, etc.) - Notable sites Our mini-wiki presents for each observation additional information with text and photos captured from Wikipedia or from one of our scientific partners. The search is intuitive with seasonality/dates and the possibility to select several types of observations. In addition to the basic functions, the concept includes: - An offline mode - A true multi language - An internal messaging - Multiple layers of presentation (relief, bathymetry, traffic, wrecks, protected areas, etc.) and many options to discover. A User Guide is directly accessible at the first login or in the menu. It is not mandatory to create an account to access the observation sharing map. Without account, access is done as "guest" ("Unknown" account) with some limited features but it is anyway possible to create and confirm observations. Many functions are being developed and will soon complete the current version. The goal is to show the wealth of our world by reaching out to as many people as possible to respect and protect it. Come and join us!
OceanFishMap
This app provides fishing boats with oceanographic data and expert recommendations to optimize fishing operations. It allows users to record and share catch information, view vessel positions on a map, and send emergency messages.
- Oceanographic data updates
- Expert fishing recommendations
- Offline data viewing
- Vessel position on map
- Catch reporting and sharing
- Emergency messaging
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OceanBytes provides fishing boats Oceanographic data including fishing recommendations created by expert Oceanographers that helps the boats save time and fuel. The app also allows the boats to record and share catch information in addition to the ability to send SOS and emergency messages. With OceanBytes you can: Get daily updates of Sea Surface Temperature, Plankton, Sea Surface Height Anomaly and Surface Currents. Get updated Fishing Recommendations twice a week. Download and View the data offline. See your vessel position on the map to find good fishing locations near you. View course and distance to a location from your vessel. Create fish catch reports for different species and share it. Send different types of emergency messages. Make your fishing operations more efficient with OceanBytes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SeeOnSea at none against OceanFishMap's 4. On price, update cadence, ads 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. OceanFishMap sells 4 in-app purchases, starting at $100.00 per month. SeeOnSea asks for nothing beyond the download.
SeeOnSea ships an update every 3 weeks, OceanFishMap every 2 weeks. Both last shipped on November 3, 2026.
| Parameter | SeeOnSea | OceanFishMap |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 190 MB | 128 MB |
| Age rating | 4+ | 4+ |
| Developer | SEEONSEA | OceanBytes Holding LLC |
Customer experience
SeeOnSea
OceanFishMap
In-app purchases
SeeOnSea
No in-app purchases
OceanFishMap
- Coastal7 Days trial$100.001 Month
- Coastal + AIS$149.001 Month
- Pro7 Days trial$200.001 Month
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- Pro + AIS$249.001 Month








