# Crystal Klondike Solitaire vs Pick21 Solitaire

The clearest difference is ads: Pick21 Solitaire at none against Crystal Klondike Solitaire's shown. Pick21 Solitaire also leads on update cadence (every 2 days vs every 5 months) and monetization model (free vs free with in-app purchases). Crystal Klondike Solitaire's advantage is iOS requirement (15.6 vs 26.1). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Crystal Klondike Solitaire sells 1 one-off in-app purchase and Pick21 Solitaire sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Crystal Klondike Solitaire against 5.0 for Pick21 Solitaire. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Crystal Klondike Solitaire ships an update every 5 months, Pick21 Solitaire every 2 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Crystal Klondike Solitaire | Pick21 Solitaire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/crystal-klondike-solitaire/id1089507571/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/pick21-solitaire/id6755499573/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 10 MB |
| Requires iOS | **15.6** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Crystal Squid](https://appshunter.io/developer/1004521401) | [Gabriel Knuth](https://appshunter.io/developer/1854250138) |

## What reviewers say

### Crystal Klondike Solitaire

[App page](https://appshunter.io/ios/app/crystal-klondike-solitaire/id1089507571)

Experience a classic card game with multiple difficulty levels and customizable card designs. Track your progress with detailed statistics and challenge friends to beat your high scores. Perfect for both casual players and solitaire experts.

**Highlights:** 3 difficulty levels, Full tutorial, Customizable cards, Extensive statistics, Share scores via Game Center, Achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Pick21 Solitaire

[App page](https://appshunter.io/ios/app/pick21-solitaire/id6755499573)

This card game offers a unique twist on solitaire, challenging players to combine cards to reach 21. It's easy to pick up but offers engaging gameplay for both quick breaks and extended play sessions.

**Highlights:** Combine cards to hit 21, Fast-paced gameplay, High score system, Simple to learn, Suitable for short sessions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pick 21 Developer Tip | $1.99 | one-time |


## Frequently asked questions

### Is Crystal Klondike Solitaire free?

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

### Is Pick21 Solitaire free?

Pick21 Solitaire is free to download, with in-app purchases available.

### Which has better reviews, Crystal Klondike Solitaire or Pick21 Solitaire?

Crystal Klondike Solitaire and Pick21 Solitaire are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Crystal Klondike Solitaire or Pick21 Solitaire have ads?

Crystal Klondike Solitaire shows ads; Pick21 Solitaire does not.

### Which is updated more often, Crystal Klondike Solitaire or Pick21 Solitaire?

Crystal Klondike Solitaire ships an update every 5 months, and Pick21 Solitaire every 2 days. Most recently, Crystal Klondike Solitaire was updated on November 2, 2026 and Pick21 Solitaire on October 30, 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.*