# iMammalia vs ExpiNotes

iMammalia and ExpiNotes are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, ExpiNotes monthly. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iMammalia | ExpiNotes |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free | — |
| Size | 51 MB | 43 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Centre for Ecology and Hydrology](https://appshunter.io/developer/986306797) | [Dino Solano](https://appshunter.io/developer/1687878080) |

## 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


### ExpiNotes

[App page](https://appshunter.io/ios/app/expinotes/id6449164905)

**In-app purchases:** none


## Frequently asked questions

### Is iMammalia free?

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

### Is ExpiNotes free?

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

### Do iMammalia or ExpiNotes have ads?

Neither iMammalia nor ExpiNotes shows ads.

### Which is updated more often, iMammalia or ExpiNotes?

iMammalia ships an update every 3 weeks, and ExpiNotes monthly. Most recently, iMammalia was updated on October 25, 2026 and ExpiNotes on October 5, 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.*