iTrektellen vs Amarantya
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTrektellen
This application allows users to submit counts to Trektellen.org. It requires a Trektellen account and is designed for submitting data, not for viewing it. Free accounts are available for those conducting regular counts on public migration sites.
- Submit counts to Trektellen.org
- Requires Trektellen account
- Designed for data submission
- Free account option available
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With this app you can submit counts to Trektellen.org. This app is not build to view counts and it not usable without an Trektellen account. If you do regular counts on a public migration site you can get your free account via the contact page on the Trektellen website.
Amarantya
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The application supports users in activities related to the analysis of wastewater samples and the maintenance of treatment plants. It includes virtual assistant features to answer questions regarding proper water analysis procedures and plant maintenance, image recognition functionality for the correct identification of certain bacterial species, and a library/archive function containing information on a wide range of microorganisms commonly found in wastewater. TERMS AND CONDITIONS (EULA) & PRIVACY TERMS: Terms: https://amarantya.com/it/terms Privacy: https://amarantya.com/it/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: iTrektellen at none against Amarantya's 2. iTrektellen also leads on iOS requirement (12.2 vs 17.6). Amarantya's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support 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. Amarantya sells 2 in-app purchases, starting at $4.99 per month. iTrektellen asks for nothing beyond the download.
iTrektellen ships an update every 4 months, Amarantya every 3 weeks. The most recent releases landed on November 3, 2026 and September 18, 2026 respectively.
| Parameter | iTrektellen | Amarantya |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.2 — better | 17.6 |
| Further details — not scored | ||
| Size | 17 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Sovon Vogelonderzoek Nederland | Panta Rei S.r.l. |
In-app purchases
iTrektellen
No in-app purchases
Amarantya
- Monthly$4.991 Month
- Yearly3 Days trial$59.991 Year
