# ATD Open Dagen vs Orbit

The clearest difference is in-app purchases: ATD Open Dagen at none against Orbit's 3. ATD Open Dagen also leads on device support (3 vs 1) and iOS requirement (10.0 vs 17.0). Orbit's advantage is update cadence (every 2 weeks vs every 13 months). On price and ads there is nothing between them.

Both are free to download. Orbit sells 3 in-app purchases, starting at $3.99 per month. ATD Open Dagen asks for nothing beyond the download.

ATD Open Dagen ships an update every 13 months, Orbit every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ATD Open Dagen | Orbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Size | 12 MB | 47 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stichting Amsterdamse Hogeschool voor de Kunsten](https://appshunter.io/developer/1494163683) | [Ralex Lab](https://appshunter.io/developer/6801026844) |

## What reviewers say

### ATD Open Dagen

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

**In-app purchases:** none


### Orbit

[App page](https://appshunter.io/ios/app/orbit-countdown-widget/id6801026842)

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $17.99 | per year |
| Orbit Pro Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is ATD Open Dagen free?

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

### Is Orbit free?

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

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

Neither ATD Open Dagen nor Orbit shows ads.

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

ATD Open Dagen ships an update every 13 months, and Orbit every 2 weeks. Most recently, ATD Open Dagen was updated on October 30, 2026 and Orbit 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.*