# SeeOnSea vs CarbuFrance

The clearest difference is in-app purchases: SeeOnSea at none against CarbuFrance's 2. SeeOnSea also leads on ads (none vs shown) and iOS requirement (15.6 vs 18.0). CarbuFrance's advantage is update cadence (weekly vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. CarbuFrance sells 2 in-app purchases, starting at $0.99 per month. SeeOnSea asks for nothing beyond the download.

SeeOnSea ships an update every 3 weeks, CarbuFrance weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SeeOnSea | CarbuFrance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 190 MB | 20 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEEONSEA](https://appshunter.io/developer/1627017578) | [Rodolphe Vandaele](https://appshunter.io/developer/1884012478) |

## 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


### CarbuFrance

[App page](https://appshunter.io/ios/app/carbufrance/id6760407573)

**Features:** macOS Compatibility, Family Sharing, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Monthly | $0.99 | per month |
| Ad-Free Yearly | $3.99 | per year |


## Frequently asked questions

### Is SeeOnSea free?

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

### Is CarbuFrance free?

CarbuFrance is free to download, with in-app purchases available.

### Do SeeOnSea or CarbuFrance have ads?

CarbuFrance shows ads; SeeOnSea does not.

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

SeeOnSea ships an update every 3 weeks, and CarbuFrance weekly. Most recently, SeeOnSea was updated on October 24, 2026 and CarbuFrance on October 31, 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.*