# SeeOnSea vs CANOPE

The clearest difference is update cadence: SeeOnSea at every 3 weeks against CANOPE's every 43 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SeeOnSea ships an update every 3 weeks, CANOPE every 43 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | SeeOnSea | CANOPE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 43 months |
| Monetization | Free | — |
| Size | 190 MB | 162 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEEONSEA](https://appshunter.io/developer/1627017578) | [CANOPE SARL](https://appshunter.io/developer/1647564516) |

## What reviewers say

### SeeOnSea

[App page](https://appshunter.io/ios/app/seeonsea/id1627017576)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CANOPE

[App page](https://appshunter.io/ios/app/canope/id6443600972)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SeeOnSea free?

SeeOnSea is free to download, with no in-app purchases.

### Is CANOPE free?

CANOPE is free to download, with no in-app purchases.

### Do SeeOnSea or CANOPE have ads?

Neither SeeOnSea nor CANOPE shows ads.

### Which is updated more often, SeeOnSea or CANOPE?

SeeOnSea ships an update every 3 weeks, and CANOPE every 43 months. Most recently, SeeOnSea was updated on November 3, 2026 and CANOPE on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*