# String Quartet Biennale A'dam vs Open Monumentendag ©

The clearest difference is update cadence: String Quartet Biennale A'dam at monthly against Open Monumentendag ©'s every 7 months. Open Monumentendag ©'s advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

String Quartet Biennale A'dam ships an update monthly, Open Monumentendag © every 7 months. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | String Quartet Biennale A'dam | Open Monumentendag © |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/open-monumentendag/id6479308441/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | — | Free |
| Size | 12 MB | 26 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Allister Smith](https://appshunter.io/developer/488062043) | [Stichting Nederland Monumentenland](https://appshunter.io/developer/1711341651) |

## What reviewers say

### String Quartet Biennale A'dam

[App page](https://appshunter.io/ios/app/string-quartet-biennale-adam/id1493011795)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open Monumentendag ©

[App page](https://appshunter.io/ios/app/open-monumentendag/id6479308441)

Discover thousands of open monuments across the Netherlands, with activities like tours, exhibitions, and routes for all ages. This event aims to increase public interest in heritage and monument care.

**Highlights:** Monument discovery, Event listings, Guided tours, Exhibitions, Routes and walks, Activities for youth

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is String Quartet Biennale A'dam free?

String Quartet Biennale A'dam is free to download, with no in-app purchases.

### Is Open Monumentendag © free?

Open Monumentendag © is free to download, with no in-app purchases.

### Do String Quartet Biennale A'dam or Open Monumentendag © have ads?

Neither String Quartet Biennale A'dam nor Open Monumentendag © shows ads.

### Which is updated more often, String Quartet Biennale A'dam or Open Monumentendag ©?

String Quartet Biennale A'dam ships an update monthly, and Open Monumentendag © every 7 months. Most recently, String Quartet Biennale A'dam was updated on October 3, 2026 and Open Monumentendag © on October 19, 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.*