# iObs vs Hoornaarspotter

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.

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.

## The numbers

| Metric | iObs | Hoornaarspotter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/iobs/id713587892/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 13 MB | 37 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Observation International](https://appshunter.io/developer/1464543487) | [Karl Thiry](https://appshunter.io/developer/1793993034) |

## What reviewers say

### iObs

[App page](https://appshunter.io/ios/app/iobs/id713587892)

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.

**Highlights:** Record observations in the field, Use current time and location, Offline mode available, Upload data to online portals, Supports birds, mammals, plants, etc.

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

**In-app purchases:** none


### Hoornaarspotter

[App page](https://appshunter.io/ios/app/hoornaarspotter/id6741388932)

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

**In-app purchases:** none


## Frequently asked questions

### Is iObs free?

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

### Is Hoornaarspotter free?

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

### Do iObs or Hoornaarspotter have ads?

Neither iObs nor Hoornaarspotter shows ads.

### Which is updated more often, iObs or Hoornaarspotter?

iObs ships an update monthly, and Hoornaarspotter every 9 days. Most recently, iObs was updated on November 1, 2026 and Hoornaarspotter on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*