# ÇADEM vs Migrella

The clearest difference is in-app purchases: ÇADEM at none against Migrella's 3. ÇADEM also leads on iOS requirement (15.1 vs 17.0). Migrella's advantage is update cadence (every 10 days vs every 23 months) and device support. On price there is nothing between them.

Both are free to download. Migrella sells 3 in-app purchases, starting at $6.99 per month. ÇADEM asks for nothing beyond the download.

ÇADEM ships an update every 23 months, Migrella every 10 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ÇADEM | Migrella |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 23 months | **Every 10 days** |
| Size | 50 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [WEBUDI YAZILIM VE BILISIM TEKNOLOJILERI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1587167975) | [Andrii Matiushev](https://appshunter.io/developer/1895047221) |

## What reviewers say

### ÇADEM

[App page](https://appshunter.io/ios/app/cadem-calsan-destek-program/id6479700231)

**In-app purchases:** none


### Migrella

[App page](https://appshunter.io/ios/app/migrella-migraine-tracker/id6780282183)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $34.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is ÇADEM free?

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

### Is Migrella free?

Migrella is free to download, with in-app purchases available.

### Which is updated more often, ÇADEM or Migrella?

ÇADEM ships an update every 23 months, and Migrella every 10 days. Most recently, ÇADEM was updated on October 25, 2026 and Migrella on October 31, 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.*