# DeRussy vs Wolf's Lair

The clearest difference is in-app purchases: DeRussy at none against Wolf's Lair's 10. DeRussy also leads on ads (none vs shown) and device support (4 vs 2). Wolf's Lair's advantage is update cadence (every 4 months vs every 17 months). On price there is nothing between them.

Both are free to download. Wolf's Lair sells 10 one-off in-app purchases. DeRussy asks for nothing beyond the download.

DeRussy ships an update every 17 months, Wolf's Lair every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DeRussy | Wolf's Lair |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/derussy/id1361451880/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 115 MB | 41 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Altrui](https://appshunter.io/developer/1200220439) | [ClearVision Sp. z o.o.](https://appshunter.io/developer/345099974) |

## What reviewers say

### DeRussy

[App page](https://appshunter.io/ios/app/derussy/id1361451880)

Explore Fort DeRussy with a narrated walking tour. View images of landmarks and learn about the history of this Waikiki site, even from afar.

**Highlights:** Narrated walking tour, Landmark images, Virtual exploration, Historical information, Waikiki site guide

**In-app purchases:** none


### Wolf's Lair

[App page](https://appshunter.io/ios/app/wolfs-lair/id1471089039)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zone 1 (CZ) | $1.99 | one-time |
| Zone 1 (EN) | $2.99 | one-time |
| Zone 2 (DE) | $2.99 | one-time |
| OKH Mauerwald (DE) | $2.99 | one-time |
| Zone 1 (DE) | $2.99 | one-time |
| Zone 2 (CZ) | $2.99 | one-time |
| Mamerki (CZ) | $2.99 | one-time |
| Full Version (EN) | $3.99 | one-time |
| Wolf's Lair for Kids (PL) | $4.99 | one-time |
| Full Version (CZ) | $4.99 | one-time |


## Frequently asked questions

### Is DeRussy free?

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

### Is Wolf's Lair free?

Wolf's Lair is free to download, with in-app purchases available.

### Do DeRussy or Wolf's Lair have ads?

Wolf's Lair shows ads; DeRussy does not.

### Which is updated more often, DeRussy or Wolf's Lair?

DeRussy ships an update every 17 months, and Wolf's Lair every 4 months. Most recently, DeRussy was updated on November 2, 2026 and Wolf's Lair on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*