# Unsichtbare Orte vs monuments on site

The clearest difference is in-app purchases: Unsichtbare Orte at none against monuments on site's 4. Unsichtbare Orte also leads on update cadence (every 7 months vs every 18 months) and iOS requirement (10.3 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. monuments on site sells 4 one-off in-app purchases. Unsichtbare Orte asks for nothing beyond the download.

Unsichtbare Orte ships an update every 7 months, monuments on site every 18 months. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Unsichtbare Orte | monuments on site |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 18 months |
| Monetization | Free | — |
| Size | 104 MB | 77 MB |
| Requires iOS | **10.3** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Juedisches Museum Frankfurt](https://appshunter.io/developer/1671538544) | [Thorsten Schueler](https://appshunter.io/developer/933565982) |

## What reviewers say

### Unsichtbare Orte

[App page](https://appshunter.io/ios/app/unsichtbare-orte/id1294605786)

Discover Frankfurt's hidden histories and stories from 1945 to the present. Explore diverse narratives, find invisible places in your neighborhood, and embark on thematic tours.

**Highlights:** Explore invisible places, Discover city history, Thematic tours, Interactive city exploration, Share views on Instagram

**Features:** macOS Compatibility

**In-app purchases:** none


### monuments on site

[App page](https://appshunter.io/ios/app/monuments-on-site/id1645761203)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| support - level 1 | $0.99 | one-time |
| support - level 5 | $4.99 | one-time |
| support - level 10 | $9.99 | one-time |
| support - level 25 | $24.99 | one-time |


## Frequently asked questions

### Is Unsichtbare Orte free?

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

### Is monuments on site free?

monuments on site is free to download, with in-app purchases available.

### Do Unsichtbare Orte or monuments on site have ads?

Neither Unsichtbare Orte nor monuments on site shows ads.

### Which is updated more often, Unsichtbare Orte or monuments on site?

Unsichtbare Orte ships an update every 7 months, and monuments on site every 18 months. Most recently, Unsichtbare Orte was updated on October 11, 2026 and monuments on site on October 13, 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.*