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Best Card.io App

206+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated June 2026

Every iPhone needs a few good card.io app apps. We benchmark 206+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Card.io App

CardGames.io#1

CardGames.io by Raudas Hugbunadur ehf.

All your favorite card games
Editor's Choice
🎮 Games
4.7😊(52K ratings)
FreeAds
CardGames.io screenshot 1
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CardGames.io screenshot 5
CardGames.io screenshot 6

An app featuring 35 different card, solitaire, puzzle, and board games, including classics like Hearts, Spades, and Chess. Play solo or in multiplayer mode with friends, track your progress, and customize your gaming experience. Enjoy endless entertainment and connect with the developer for support or feedback.

What We Love

  • 🎨 Variety of games
  • 📚 Clear game instructions
  • 🕹️ Smooth gameplay
  • 🕰️ Offline playability

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🔍 Difficulty closing ads
  • 🤖 Biased/cheating computer opponents
Courtyard - Trading Cards#2

Courtyard - Trading Cards by Courtyard, Inc.

Pokemon, Sports, Watches, MLB
Strong Contender
🎮 Games
4.6😊(5K ratings)
FreeAds
#13in Games
Courtyard - Trading Cards screenshot 1
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Courtyard - Trading Cards screenshot 3
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Rip mystery packs to reveal collectibles like Pokémon, sports cards, and comics, with instant 90% fair market value buyback offers. Buy, sell, and manage your collection on the go with 0% fees, vaulted storage, and insurance.

What We Love

  • 🚀 Instant pack reveals
  • 💰 Generous buyback offers
  • 💳 0% marketplace fees
  • 📚 Supports multiple collectibles (cards, comics)

Room to Improve

  • 🐛 Glitchy payment processing
  • ⏱️ Slow and sluggish app performance
Cardiio: Heart Rate Monitor#3

Cardiio: Heart Rate Monitor by Cardiio, Inc.

HR checker & beat analyzer
Worth Considering
💪 Health & Fitness
4.7😊(58K ratings)
FreeIn-App Purchases
Cardiio: Heart Rate Monitor screenshot 1
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Cardiio: Heart Rate Monitor screenshot 6

Cardiio is a convenient heart rate monitoring application that allows users to easily check their heart rate using just their phone's camera. Stay informed about your heart health with this user-friendly and efficient app.

What We Love

  • 👍 Accurate heart rate monitoring
  • 👍 Convenient and easy to use
  • 👍 Helpful for monitoring heart health conditions
  • 👍 Useful workout features

Room to Improve

  • 🐛 Inconsistent or unreliable readings
  • 🐛 Difficulty getting readings after exercise
  • 🐛 Compatibility issues with newer iPhone models

More Card.io App apps to explore

4
Honor-Bound TCG CCG Card Quest
Honor-Bound TCG CCG Card Quest
Honor-Bound TCG CCG Card Quest
Card Kingdom + Fantasy MMO
Free

Lead your army to victory in this epic RPG! Choose from hundreds of heroes, strategize your squad's composition, and battle thousands of players in the Arena. Explore unique levels, unlock powerful abilities, and prove yourself as the most powerful hero in the realm! Join the adventure today!

🎮 Games
(12K)
5
WEX CardControl
WEX CardControl
WEX CardControl
Manage your cards on-the-go
Free

Manage your cards on-the-go with an app that offers real-time card balances, transaction details, fuel location finder, and more. Easily track expenses, find fuel stops, and manage your card functions anytime, anywhere. Join now!

💼 Business
(53K)
6
SuperCards: Store Card
SuperCards: Store Card
SuperCards: Store Card
The Fast Loyalty Wallet
Free

Effortlessly manage all your rewards cards in one convenient app - SuperCards lets you add and access cards instantly for seamless shopping experiences. Experience the fast loyalty wallet today!

🛍️ Shopping
(5.4K)
7
Sports Card Value Scanner AI
Sports Card Value Scanner AI
Sports Card Value Scanner AI
Baseball Card Scanner Value
Free

This app helps collectors easily scan, value, and organize their sports cards with fast scanning, up-to-date card info, and instant price quotes. Download it today to turn your messy binders and boxes into a clean digital collection and take the stress out of collecting.

🔍 Reference
(110)
8
Blinq: Digital Business Card
Blinq: Digital Business Card
Blinq: Digital Business Card
AI Notes & Contact Manager
Free

Create a professional digital business card with Blinq. Easily share contact information, social links, and more with just a tap. Streamline networking and make a lasting impression today.

💼 Business
(584)
9
PrepaidCardConnect
PrepaidCardConnect
PrepaidCardConnect
by FSV Payment Systems, Inc.
Free

Manage your card account on the go with our mobile app. Access your balance, transfer funds, find ATMs, and enjoy top-notch security. Download today for seamless money management!

💰 Finance
(51K)
10
Heart Rate Monitor - Pulse
Heart Rate Monitor - Pulse
Heart Rate Monitor - Pulse
Pulse & Stress Analyzer, HRV
Free

Monitor your heart rate and check your blood pressure with ease using this user-friendly application. Stay on top of your health and track your vital signs effortlessly. Download now and take control of your well-being.

🌟 Lifestyle
(108)
11
Card Grader Pro
Card Grader Pro
Card Grader Pro
AI & Human Card Grading
Free

Introducing Card Grader Pro - a powerful application that offers both AI-powered instant grading and expert human evaluation for your trading cards. Elevate your collecting experience by instantly assessing your cards' condition or opting for a thorough expert review to guide your next steps, all within a vibrant community of enthusiasts.

🔧 Utilities
(3.5K)
12
E-Cards Greeting App
E-Cards Greeting App
E-Cards Greeting App
by WeblineIndia
Free

Create and customize personalized digital greeting cards for your loved ones on any occasion. Express your feelings with images, text, and digital signatures, then share the cards across social media or through the iMessage app. Explore the app's features, including card scheduling, 3D Touch functionality, and quick action features for iPhone 6S and newer models.

🌟 Lifestyle
(214)
13
Zable Credit Card
Zable Credit Card
Zable Credit Card
Simple & flexible credit card
Free

Access the Zable Credit Card app for hassle-free credit card management. Monitor transactions, set spending limits, and receive notifications for added security and control. Experience a seamless way to stay on top of your finances today!

💰 Finance
(386)
14
PhonePe: Secure Payments App
PhonePe: Secure Payments App
PhonePe: Secure Payments App
UPI, Recharges, Bills Payments
Free

A versatile payments app offering BHIM UPI, bill payments, recharges, and more. Seamlessly manage transactions and investments in one place. Download now for secure and convenient financial management.

💰 Finance
(159K)
15
My Cards - Wallet
My Cards - Wallet
My Cards - Wallet
Fidelity card and documents
Free

Manage all your cards and documents effortlessly with this digital wallet application. Store and access payment cards, loyalty cards, IDs, and more with features like bar code scanning, widgets, backup function, and data encryption. Try it for free with an option to subscribe for bonus content at $0.49 per month.

🛍️ Shopping
(289)
16
ID123 Digital ID Card App
ID123 Digital ID Card App
ID123 Digital ID Card App
Student, Employee & Member ID
Free

A digital ID card app for students, employees, and organizations. Easily access and manage digital identification information on-the-go for convenience and efficiency. Download now to streamline your identification needs!

🔧 Utilities
(5.9K)
17
eSIM io: Travel Internet Data
eSIM io: Travel Internet Data
eSIM io: Travel Internet Data
Mobile Data & Travel Wifi
Free

Access global mobile data plans seamlessly with eSIM io, the convenient travel SIM card app. Stay connected while traveling without the hassle of switching physical SIM cards!

✈️ Travel
(1K)
18
Heart Rate Monitor
Heart Rate Monitor
Heart Rate Monitor
Heart Analyzer & Pulse Tracker
Free

Measure your heart rate instantly with your iPhone using our advanced algorithm. Track your heart rate trends, analyze different states, and share reports easily. Improve your well-being with accurate data and graphs. Instructions for best results provided. Contact us for support and more information.

💪 Health & Fitness
(2.2K)
19
TCG Scanner Card - Pokechart
TCG Scanner Card - Pokechart
TCG Scanner Card - Pokechart
TCG Card Value Scanner Live
Free

Turn your smartphone into a powerful tool for your trading card collection with an instant card scanning and identification feature, and track real-time market values to make informed collecting and trading decisions. Download now and discover hidden gems, monitor market shifts, and never miss a valuable card again!

🔍 Reference
(313)
20
Call Break++
Call Break++
Call Break++
Call Break card game.
Free

Enjoy the strategic card game similar to Spades with Call Break - a virtual gaming experience featuring 4 players with 13 cards each, bid/call rounds, and competitive AI. Choose your trump suit and experience smooth gameplay with customizable speeds on your phone or tablet.

🎮 Games
(302)

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