# ObsEnMer vs Wizidee

The clearest difference is in-app purchases: ObsEnMer at none against Wizidee's 1. Wizidee's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Wizidee sells 1 one-off in-app purchase. ObsEnMer asks for nothing beyond the download.

ObsEnMer ships an update every 4 months, Wizidee every 2 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ObsEnMer | Wizidee |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 185 MB | 22 MB |
| Requires iOS | **14.0** | 14.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Altitude Cherbourg](https://appshunter.io/developer/512464175) | [EVERIAL](https://appshunter.io/developer/1523043013) |

## 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


### Wizidee

[App page](https://appshunter.io/ios/app/wizidee/id1585631062)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wizidee premium | $1.99 | one-time |


## Frequently asked questions

### Is ObsEnMer free?

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

### Is Wizidee free?

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

### Do ObsEnMer or Wizidee have ads?

Neither ObsEnMer nor Wizidee shows ads.

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

ObsEnMer ships an update every 4 months, and Wizidee every 2 months. Most recently, ObsEnMer was updated on September 17, 2026 and Wizidee on September 16, 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.*