# Oslo i gamle dager vs HIDDEN

The clearest difference is price: HIDDEN at Free against Oslo i gamle dager's $3.99. HIDDEN also leads on update cadence (every 5 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

HIDDEN is free to download; Oslo i gamle dager costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oslo i gamle dager ships an update every 3 months, HIDDEN every 5 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Oslo i gamle dager | HIDDEN |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hidden/id1459783545/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 118 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Escalando AS](https://appshunter.io/developer/962249491) | [Hidden AS](https://appshunter.io/developer/1518531459) |

## What reviewers say

### Oslo i gamle dager

[App page](https://appshunter.io/ios/app/oslo-i-gamle-dager/id962249492)

**In-app purchases:** none


### HIDDEN

[App page](https://appshunter.io/ios/app/hidden/id1459783545)

Explore physical spaces with digital content that adds new dimensions. Use the map to discover attractions and experience history, legends, and nature through interactive media, including augmented reality. Preserve and share cultural heritage with exciting interpretations.

**Highlights:** Augmented reality experiences, Explore physical locations with digital content, Discover history, legends, and nature, Interactive media and storytelling, Preserve and share cultural heritage, Map-based exploration

**In-app purchases:** none


## Frequently asked questions

### Is Oslo i gamle dager free?

Oslo i gamle dager costs $3.99, with no in-app purchases.

### Is HIDDEN free?

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

### Do Oslo i gamle dager or HIDDEN have ads?

Neither Oslo i gamle dager nor HIDDEN shows ads.

### Which is updated more often, Oslo i gamle dager or HIDDEN?

Oslo i gamle dager ships an update every 3 months, and HIDDEN every 5 weeks. Most recently, Oslo i gamle dager was updated on October 20, 2026 and HIDDEN on October 24, 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.*