CoinApp

Fair, fast, final. Tie? Broken.

$0.99 · One-time purchase
CoinApp showing heads CoinApp showing tails CoinApp statistics screen
5.0★ App Store
Rating
$0.99 One-time
purchase
3.3MB App
size
4+ Age
rating
6 Family sharing
members

Unbiased. Uncomplicated.
Statistical tie-breaking bliss.

In a world of complex decision-making, CoinApp provides a definitive, statistically sound answer on your wrist or pocket.

Behavioral Psychology

Overcoming Choice Paralysis & Decision Fatigue

Human beings make an average of 35,000 decisions every single day. From the critical (career choices, financial investments) to the completely trivial (what to have for lunch, who pays for the coffee, who goes first in a board game), each decision drains our cognitive reserve. This phenomenon, known in behavioral psychology as decision fatigue, leads to deteriorating quality of choices as the day progresses. When your brain is exhausted from calculating variables, even a simple tie-breaker can feel like a chore.

CoinApp was designed as a premium, lightweight tool to eliminate this low-stakes friction instantly. A coin flip is the oldest, most trusted, and most culturally accepted method of resolving an impasse. By moving this physical ritual to your iPhone and Apple Watch, CoinApp provides a 100% fair, statistically independent decision maker that is always ready. It transforms a moment of social debate into a clean, satisfying mechanical resolution.

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Sensory

Taptic Momentum Synthesis

A digital coin toss shouldn't feel flat. CoinApp leverages Apple's Taptic Engine to simulate physical momentum.

When you toss, a sequence of micro-vibrations mimics the coin's rotation, ending in a clean impact pulse when it lands.

Math & Logs

Statistical Independence

Physical coin flips are easily biased. CoinApp uses mathematical random generation logic for a true 50/50 balance.

The app maintains a detailed stats log showing total flips, heads vs. tails ratios, and percentage distributions over time.

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Ecosystem

Apple Watch Integration & On-Device Security

CoinApp is a native SwiftUI utility designed to stay out of your way. With a tiny footprint of just 3.3MB, it launches instantly and uses minimal battery. Flip the coin directly from your wrist on watchOS—complete with synchronized metallic audio effects.

It operates entirely on-device, requiring no internet connection, no login accounts, and zero data tracking. Your decision logs and flip statistics remain private, locked to your hardware. By focusing purely on executing a perfect coin toss, CoinApp honors the classic Apple HIG standards of simplicity, speed, and absolute user privacy.

★★★★★
"I don't carry change with me anymore, but I've had times where I've wanted to flip a coin for something like soup or salad. This app is simple and effective. Pretty straight forward. 100% fair. Love the coin flip sound. I'd get the app for the coin flip sound alone...but I'm weird like that."

— Begonia567 · April 28, 2015

Available on

iPhone (iOS 16.6+) iPad (iPadOS 16.6+) Mac (M1+, macOS 13.5+) Apple Watch (watchOS 26.2+)
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Diagnostics Only — Not Linked to You

CoinApp may collect crash, performance, and diagnostic data — but this data is never linked to your identity. No personal data collected.

Version History

v3.0 Jan 2025 Renewed design. Stats: total flips, heads & tails counts and percentages.
v2.0.2 02/18/2024 Re-built from the ground up using SwiftUI for better performance and reliability. Sound now plays from Apple Watch. New button to check out our other apps on the App Store.
v2.0.1 10/27/2020 Updated by Apple to display the Apple Watch app icon.
v2.0 04/19/2015 Added Apple Watch support. Redesigned icon. All new coin faces.
v1.0 03/20/2015 Initial release.

Ready to break the tie?

CoinApp is $0.99 — a one-time purchase. No subscriptions. No ads.

Download on the App Store

Supports Family Sharing — up to 6 family members · © 2015–2026 Joshua Armer · Board