# Servant of the Lake vs BioDecoder

The clearest difference is price: BioDecoder at Free against Servant of the Lake's $4.99. Servant of the Lake's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs fortnightly). On ads there is nothing between them.

BioDecoder is free to download; Servant of the Lake costs $4.99 up front. BioDecoder sells 3 one-off in-app purchases. Servant of the Lake asks for nothing beyond the download.

Servant of the Lake ships an update every 2 days, BioDecoder fortnightly. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Servant of the Lake | BioDecoder |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (2.3K ratings)](https://appshunter.io/ios/app/servant-of-the-lake/id6748751735/reviews)** | — |
| Number of ratings | **2.3K** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Paid | — |
| Best chart rank | **#4** | — |
| Size | 756 MB | 2 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Rusty Lake](https://appshunter.io/developer/979777164) | [Richard Magney](https://appshunter.io/developer/1792734341) |

## What reviewers say

### Servant of the Lake

[App page](https://appshunter.io/ios/app/servant-of-the-lake/id6748751735)

**Currently charting:** #4 Top Paid · Puzzle, #6 Top Paid · Adventure, #49 Top Paid · Games, #79 Top Paid (US App Store)

Step into the role of a housekeeper for the infamous Vanderboom family. Solve puzzles, manage household tasks, and assist with alchemical experiments in this premium point-and-click adventure.

**Highlights:** Classic single-player point-and-click adventure, Solve surreal puzzles and assist with experiments, Unravel a dark narrative set before Rusty Lake: Roots, Explore rooms of the Vanderboom house, Immersive soundtrack by Victor Butzelaar

**Features:** Vision Pro support

**In-app purchases:** none


### BioDecoder

[App page](https://appshunter.io/ios/app/biodecoder/id6749856010)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $3.99 | one-time |
| Large Tip | $8.99 | one-time |


## Frequently asked questions

### Is Servant of the Lake free?

Servant of the Lake costs $4.99, with no in-app purchases.

### Is BioDecoder free?

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

### Do Servant of the Lake or BioDecoder have ads?

Neither Servant of the Lake nor BioDecoder shows ads.

### Which is updated more often, Servant of the Lake or BioDecoder?

Servant of the Lake ships an update every 2 days, and BioDecoder fortnightly. Most recently, Servant of the Lake was updated on October 23, 2026 and BioDecoder on October 14, 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.*