# Sherlock Solitaire vs Captain Derkin

The clearest difference is in-app purchases: Captain Derkin at none against Sherlock Solitaire's 1. Captain Derkin also leads on update cadence (every 6 days vs fortnightly). Sherlock Solitaire's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Sherlock Solitaire sells 1 one-off in-app purchase. Captain Derkin asks for nothing beyond the download.

Sherlock Solitaire ships an update fortnightly, Captain Derkin every 6 days. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sherlock Solitaire | Captain Derkin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sherlock-solitaire/id6480482859/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 227 MB | 68 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [White Wizard Games](https://appshunter.io/developer/893447128) | [Hammrtech LLC](https://appshunter.io/developer/1105200354) |

## What reviewers say

### Sherlock Solitaire

[App page](https://appshunter.io/ios/app/sherlock-solitaire/id6480482859)

Engage in a strategic, single-player card game set within the world of Sherlock Holmes. Solve mysteries by playing solitaire-style card stacks, with a full version offering multiple detectives and difficulty levels.

**Highlights:** Offline, single-player gameplay, Solitaire-style card play, Multiple detectives with unique powers (full version), Multiple difficulty levels (full version), Solve famous Sherlock Holmes mysteries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $3.99 | one-time |


### Captain Derkin

[App page](https://appshunter.io/ios/app/captain-derkin/id6749721348)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sherlock Solitaire free?

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

### Is Captain Derkin free?

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

### Do Sherlock Solitaire or Captain Derkin have ads?

Captain Derkin shows ads; Sherlock Solitaire does not.

### Which is updated more often, Sherlock Solitaire or Captain Derkin?

Sherlock Solitaire ships an update fortnightly, and Captain Derkin every 6 days. Most recently, Sherlock Solitaire was updated on September 25, 2026 and Captain Derkin on September 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.*