# card piles

> A mobile implementation of the 21-card trick magic game. (iPhone/iPad app by Richard Koopmann.)

- Source: https://appshunter.io/ios/app/card-piles/id6443995531 (this page in markdown: same URL + `.md`)
- Developer: [Richard Koopmann](https://appshunter.io/developer/917071370)
- Category: Games, Casual, Card
- Price: $1.00
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 1 MB
- Languages: English
- Released: 2022-11-05
- Data updated: 2026-06-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/card-piles/id6443995531/reviews.md

## What is card piles?

You know you've been waiting *forever* for the famous 21-card trick to be on mobile.

Simply memorize a card, indicate the pile, and your card is revealed to you!

Is it witchcraft? advanced alien technology? artificial intelligence?!

Nope. It's just the result of reshaping the deck and eliminating possibilities.

"I have to think the Alliance is gonna frown on this." - George Oscar Bluth

## Key features

- Classic 21-card trick gameplay
- Intuitive pile selection
- Card reveal logic
- Single-player experience
- Mobile-optimized interface


## Frequently asked questions about card piles

### How does card piles work?

card piles uses a mathematical principle to reveal your chosen card. You memorize a card, then indicate which of the three piles it is in. The app then uses this information to determine and reveal your card.

### What devices does card piles support?

card piles is available on iPhone and iPad devices.

### Is card piles free to play?

No, card piles is a paid application. It costs $1.00 to purchase and download.

### Does card piles have ads?

No, card piles does not contain advertisements.

### What is the age rating for card piles?

card piles has an age rating of 4+, making it suitable for young children and up.

### How often is card piles updated?

The latest version of card piles was released on January 14, 2024. Updates are released periodically to improve the application.

### Can I play card piles offline?

Yes, card piles is designed to be played offline. No internet connection is required to perform the card trick.

### What is the user rating for card piles?

card piles has a perfect rating of 5.0 stars based on one user review.

## Version history (last 3 releases)

### 2024.1 — 2024-01-14

Added some visual preferences.

### 1.1 — 2022-11-16

- Select from multiple deck layouts consisting of 15-55 cards per game.

### 1.0 — 2022-11-05

No release notes.

## Apps similar to card piles

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Swipe 52](https://appshunter.io/ios/app/swipe-52/id1490213360) | 5.0 (4) | Free | Games |
| [BeeBee 8](https://appshunter.io/ios/app/beebee-8/id433388160) | 4.0 (1) | Free | Games |

## More apps by Richard Koopmann

- [do over — text permutations](https://appshunter.io/ios/app/do-over-text-permutations/id1618131760)
- [flation](https://appshunter.io/ios/app/flation/id6479229602)
- [text-player](https://appshunter.io/ios/app/text-player/id6479706587)
- [Granny Hand — Sheepshead](https://appshunter.io/ios/app/granny-hand-sheepshead/id6756193664)
- [vesica — line art](https://appshunter.io/ios/app/vesica-line-art/id6757957440)

All apps by Richard Koopmann: https://appshunter.io/developer/917071370

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*