# ObsEnMer vs My Expertea

The clearest difference is update cadence: ObsEnMer at every 4 months against My Expertea's every 13 months. My Expertea's advantage is iOS requirement (11.0 vs 14.0). 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.

ObsEnMer ships an update every 4 months, My Expertea every 13 months. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ObsEnMer | My Expertea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obsenmer/id1162065009/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Free | — |
| Size | 185 MB | 25 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Altitude Cherbourg](https://appshunter.io/developer/512464175) | [ACD Groupe](https://appshunter.io/developer/1033556694) |

## What reviewers say

### ObsEnMer

[App page](https://appshunter.io/ios/app/obsenmer/id1162065009)

Report marine animal sightings with this app. It's designed for boaters, professionals, and associations to contribute to citizen science programs. Help researchers understand marine life and climate change impacts.

**Highlights:** Report marine animal observations, Two involvement levels for boaters, Expert level for trained contributors, Species identification guide, Observation history, Species identification quizzes, Share observations on social media

**Features:** macOS Compatibility

**In-app purchases:** none


### My Expertea

[App page](https://appshunter.io/ios/app/my-expertea/id1608611430)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ObsEnMer free?

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

### Is My Expertea free?

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

### Do ObsEnMer or My Expertea have ads?

Neither ObsEnMer nor My Expertea shows ads.

### Which is updated more often, ObsEnMer or My Expertea?

ObsEnMer ships an update every 4 months, and My Expertea every 13 months. Most recently, ObsEnMer was updated on September 17, 2026 and My Expertea on September 14, 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.*