# DeckClocker — Card Clocking Speed Trainer

> Card Clocking Speed Trainer (iPhone/iPad app by Kevin Haggard.)

- Source: https://appshunter.io/ios/app/deckclocker/id6758026773 (this page in markdown: same URL + `.md`)
- Developer: [Kevin Haggard](https://appshunter.io/developer/1870413831)
- Category: Entertainment
- Price: Free
- Age rating: 4+
- Requires: iOS 26.2 · 3 MB
- Languages: English
- Released: 2026-02-23
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/deckclocker/id6758026773/reviews.md

## What is DeckClocker?

Master the art of deck clocking with timed practice drills.

Deck clocking is a technique used by card experts to identify a missing card from a deck through rapid mental calculation. DeckClocker helps you develop and sharpen this skill with focused practice sessions.

FEATURES
Timed Drills — Scroll through a spread of cards while a timer tracks your speed. Tap when you've identified the missing card.
Drill Mode — A 60-second speed quiz to practice the mental math. Answer as many as you can before time runs out.
Customizable Settings — Practice with red or black cards, full deck or half, and choose your preferred scroll direction.
Instant Feedback — See your times and verify your answers immediately.

Whether you're learning the technique for the first time or refining your speed, DeckClocker provides the focused practice you need.


## Version history (last 2 releases)

### 1.1 — 2026-04-19

Updated marketing, privacy and support URLs

### 1.0 — 2026-02-23

No release notes.

## More apps by Kevin Haggard

- [SherlockTrainer](https://appshunter.io/ios/app/sherlocktrainer/id6760839592)
- [QuartetTrainer](https://appshunter.io/ios/app/quartettrainer/id6762525011)

All apps by Kevin Haggard: https://appshunter.io/developer/1870413831

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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 2026-05-19.*