# ObsEnMer vs MedRempla

The clearest difference is update cadence: MedRempla at every 2 weeks against ObsEnMer's every 4 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.

ObsEnMer ships an update every 4 months, MedRempla every 2 weeks. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ObsEnMer | MedRempla |
| --- | --- | --- |
| 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 2 weeks** |
| Monetization | Free | — |
| Size | 185 MB | 64 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Altitude Cherbourg](https://appshunter.io/developer/512464175) | [MedRempla](https://appshunter.io/developer/1846800066) |

## 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, Vision Pro support

**In-app purchases:** none


### MedRempla

[App page](https://appshunter.io/ios/app/medrempla/id6754160383)

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

**In-app purchases:** none


## Frequently asked questions

### Is ObsEnMer free?

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

### Is MedRempla free?

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

### Do ObsEnMer or MedRempla have ads?

Neither ObsEnMer nor MedRempla shows ads.

### Which is updated more often, ObsEnMer or MedRempla?

ObsEnMer ships an update every 4 months, and MedRempla every 2 weeks. Most recently, ObsEnMer was updated on October 4, 2026 and MedRempla on October 6, 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.*