# Anfallskalender vs Observer

The clearest difference is update cadence: Anfallskalender at weekly against Observer's every 2 months. Anfallskalender also leads on iOS requirement (6.0 vs 15.1). 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.

Anfallskalender ships an update weekly, Observer every 2 months. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Anfallskalender | Observer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 12 MB | 27 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flyt IT AS](https://appshunter.io/developer/946176241) | [Lifetools AS](https://appshunter.io/developer/1298753608) |

## What reviewers say

### Anfallskalender

[App page](https://appshunter.io/ios/app/anfallskalender-epilepsi/id1073129443)

This app helps users easily record seizures, providing a comprehensive overview for both the user and their doctor. It offers customizable features relevant to individual seizure tracking and medical treatment.

**Highlights:** Easy seizure recording, Comprehensive overview for user and doctor, Customizable relevant features, Summaries and statistics, Aids medical treatment

**Features:** macOS Compatibility

**In-app purchases:** none


### Observer

[App page](https://appshunter.io/ios/app/observer/id1480196201)

**In-app purchases:** none


## Frequently asked questions

### Is Anfallskalender free?

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

### Is Observer free?

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

### Do Anfallskalender or Observer have ads?

Neither Anfallskalender nor Observer shows ads.

### Which is updated more often, Anfallskalender or Observer?

Anfallskalender ships an update weekly, and Observer every 2 months. Most recently, Anfallskalender was updated on October 8, 2026 and Observer on October 18, 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.*