# Cala vs EUR USD Tracker

The clearest difference is iOS requirement: EUR USD Tracker at 13.0 against Cala's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Cala sells 2 in-app purchases, starting at $45.99 per month and EUR USD Tracker sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Cala ships an update weekly, EUR USD Tracker every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Cala | EUR USD Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Size | 14 MB | 3 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [A2GROUP LLC](https://appshunter.io/developer/1481271237) | [Holger Sochau](https://appshunter.io/developer/1885410392) |

## What reviewers say

### Cala

[App page](https://appshunter.io/ios/app/cala-ai-market-terminal/id6760113988)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $45.99 | per month |
| Pro Annual | $409.99 | per year |


### EUR USD Tracker

[App page](https://appshunter.io/ios/app/eur-usd-tracker/id6760629708)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $29.99 | per year |
| Founding Member | $29.99 | per year |


## Frequently asked questions

### Is Cala free?

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

### Is EUR USD Tracker free?

EUR USD Tracker is free to download, with in-app purchases available.

### Do Cala or EUR USD Tracker have ads?

Neither Cala nor EUR USD Tracker shows ads.

### Which is updated more often, Cala or EUR USD Tracker?

Cala ships an update weekly, and EUR USD Tracker every 4 days. Most recently, Cala was updated on October 31, 2026 and EUR USD Tracker 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.*