Elitter vs iMammalia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Elitter
This citizen science tool allows users to report and categorize abandoned waste in terrestrial environments. The collected data helps define waste origins and pathways, enabling prioritized disposal actions for a cleaner planet and reduced ocean pollution.
- Report abandoned waste
- Categorize waste types
- Track waste origins
- Visualize waste data
- Contribute to environmental cleanup
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eLitter is a “citizen science” tool for the characterization of abandoned waste in the terrestrial environment. Through the information obtained in this way, the most abundant waste, its origin and mobilization pathways can be defined so that it is possible to prioritize actions for their disposal. The data obtained will be visible through elitter . With everyone's collaboration we will achieve a clean environment and avoid the arrival of waste into the sea.
iMammalia
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.
- Record mammal sightings
- Photo uploads optional
- Expert verification of records
- Contribute to distribution mapping
- Online record management
- Supports European countries
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The iMammalia App is designed to encourage recording of mammals in the wild. This version of the mobile application is set up to easily record mammals in any European country, but does not yet have all European languages included. Sightings can be recorded anywhere, with or without photos, and all records will be verified by experts and made available to help with mapping the distribution of European mammals. You can check and update your records online.
Screenshots
Verdict
The clearest difference is review sentiment: Elitter at 100% against iMammalia's 0%. iMammalia's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Elitter ships an update every 3 months, iMammalia every 3 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.
| Parameter | Elitter | iMammalia |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 14.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | ASOC VERTIDOS CERO PARA LA PREVENCION MINIMIZACION Y ELIMINACION DE LOS VERTIDOS | Centre for Ecology and Hydrology |
Customer experience
Elitter
iMammalia
In-app purchases
Elitter
No in-app purchases
iMammalia
No in-app purchases
