iObs vs Hoornaarspotter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iObs
Record and submit observations of wildlife, including birds, mammals, and plants, directly from the field. Utilize real-time location and time, with offline capabilities. Upload your data to participating online portals when connected.
- Record observations in the field
- Use current time and location
- Offline mode available
- Upload data to online portals
- Supports birds, mammals, plants, etc.
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iObs is an application that can be used worldwide for entering and uploading observations of birds, mammals, plants, etc. directly from the field. You can use current time and location. You can use the app in off-line mode. When on-line, you can upload all data to your personal account on participating portal sites. Currently these are waarneming.nl, waarnemingen.be and observation.org.
Hoornaarspotter
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• Hoornaar spotter is gebouwd om de bestrijding van de Aziatische hoornaar te ondersteunen. Met de app kan je eenvoudig lokvallen, koninginnen en nesten melden zodat deze snel kunnen worden verdelgd. • Hornet spotter is built to support the control of the Asian hornet. With the app you can easily report bait traps, queens and nests so that they can be quickly exterminated.
Screenshots
Verdict
The clearest difference is update cadence: Hoornaarspotter at every 9 days against iObs's monthly. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
iObs ships an update monthly, Hoornaarspotter every 9 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | iObs | Hoornaarspotter |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | Observation International | Karl Thiry |
In-app purchases
iObs
No in-app purchases
Hoornaarspotter
No in-app purchases
