# CvA Open Dagen vs ATD Open Dagen

CvA Open Dagen and ATD Open Dagen are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CvA Open Dagen ships an update every 24 months, ATD Open Dagen every 12 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | CvA Open Dagen | ATD Open Dagen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 12 months** |
| Size | 124 MB | 123 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Conservatorium van Amsterdam](https://appshunter.io/developer/1446879831) | [Stichting Amsterdamse Hogeschool voor de Kunsten](https://appshunter.io/developer/1494163683) |

## What reviewers say

### CvA Open Dagen

[App page](https://appshunter.io/ios/app/cva-open-dagen/id6444035641)

**In-app purchases:** none


### ATD Open Dagen

[App page](https://appshunter.io/ios/app/atd-open-dagen/id6737212323)

**In-app purchases:** none


## Frequently asked questions

### Is CvA Open Dagen free?

CvA Open Dagen is free to download, with no in-app purchases.

### Is ATD Open Dagen free?

ATD Open Dagen is free to download, with no in-app purchases.

### Do CvA Open Dagen or ATD Open Dagen have ads?

Neither CvA Open Dagen nor ATD Open Dagen shows ads.

### Which is updated more often, CvA Open Dagen or ATD Open Dagen?

CvA Open Dagen ships an update every 24 months, and ATD Open Dagen every 12 months. Most recently, CvA Open Dagen was updated on November 7, 2026 and ATD Open Dagen on November 8, 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.*