# iMammalia vs BeeWatch Bystander

The clearest difference is update cadence: iMammalia at every 3 weeks against BeeWatch Bystander's every 2 months. BeeWatch Bystander'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.

iMammalia ships an update every 3 weeks, BeeWatch Bystander every 2 months. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iMammalia | BeeWatch Bystander |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/imammalia/id1480199644/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 51 MB | 64 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centre for Ecology and Hydrology](https://appshunter.io/developer/986306797) | [uWatch Ltd](https://appshunter.io/developer/1200756801) |

## What reviewers say

### iMammalia

[App page](https://appshunter.io/ios/app/imammalia/id1480199644)

Record wild mammal sightings across Europe with this app. Submit your observations, with or without photos, for expert verification and contribute to mammal distribution mapping. All records can be managed and updated online.

**Highlights:** Record mammal sightings, Photo uploads optional, Expert verification of records, Contribute to distribution mapping, Online record management, Supports European countries

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

**In-app purchases:** none


### BeeWatch Bystander

[App page](https://appshunter.io/ios/app/beewatch-bystander/id6497335485)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iMammalia free?

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

### Is BeeWatch Bystander free?

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

### Do iMammalia or BeeWatch Bystander have ads?

Neither iMammalia nor BeeWatch Bystander shows ads.

### Which is updated more often, iMammalia or BeeWatch Bystander?

iMammalia ships an update every 3 weeks, and BeeWatch Bystander every 2 months. Most recently, iMammalia was updated on October 25, 2026 and BeeWatch Bystander on October 15, 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.*