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Best Cacio Apps

189+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good cacio apps. We benchmark 189+ 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 Cacio

CASIO WATCHES#1

CASIO WATCHES by CASIO COMPUTER CO., LTD.

CASIO Bluetooth watch app
Editor's Choice
🌟 Lifestyle
4.7😐(17K ratings)
FreeAds
CASIO WATCHES screenshot 1
CASIO WATCHES screenshot 2
CASIO WATCHES screenshot 3
CASIO WATCHES screenshot 4
CASIO WATCHES screenshot 5

Enhance your CASIO watch experience with the official CASIO WATCHES app. Connect your watch via Bluetooth® to access features like automatic time calibration, world time settings, and historical information on over 3,500 G-SHOCK models. Perfect for all CASIO watch enthusiasts. Check it out at https://www.casio.com/intl/watches/casio/app/.

What We Love

  • 👍 Reliable and accurate time keeping
  • 🚀 Seamless Bluetooth connectivity
  • 💡 Useful fitness tracking features
  • 👍 Durable and well-built watches

Room to Improve

  • 🐛 Buggy and unreliable app
  • 🔒 Invasive data collection
  • 💤 Lack of offline functionality
G-SHOCK Connected#2

G-SHOCK Connected by CASIO COMPUTER CO., LTD.

Strong Contender
🔧 Utilities
4.8😐(13K ratings)
Free
G-SHOCK Connected screenshot 1
G-SHOCK Connected screenshot 2

This app is transitioning its functionality to the CASIO WATCHES app, requiring users to update to version 3.0 for data transfer. It allows users to connect and control Bluetooth-enabled CASIO watches, enhancing the iPhone experience with various Mobile Link functions. For more details, visit the support page provided.

What We Love

  • 👍 Easy to use app
  • 🚀 Convenient Bluetooth connectivity
  • 💪 Durable and reliable watch
  • 📊 Useful fitness tracking features

Room to Improve

  • 🐛 Connectivity issues
  • 🔋 Battery drain problems
  • 📅 Inaccurate activity date tracking
Scientific Calculator fx-991#3

Scientific Calculator fx-991 by Dinh Phuc

Step-by-step Math Solver
Worth Considering
📚 Education
4.5(344 ratings)
FreeAdsIn-App Purchases
Scientific Calculator fx-991 screenshot 1
Scientific Calculator fx-991 screenshot 2
Scientific Calculator fx-991 screenshot 3
Scientific Calculator fx-991 screenshot 4
Scientific Calculator fx-991 screenshot 5
Scientific Calculator fx-991 screenshot 6

Enhance your math skills with the ultimate scientific calculator app designed for students and professionals. From step-by-step solutions to instant access to key formulas, HiEdu Calculator simplifies complex calculations and provides a vast library of functions. Perfect for standardized test preparation or everyday classwork - transform your educational journey today!

More Cacio apps to explore

4
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

A versatile scientific calculator app designed for math enthusiasts, offering features like natural display for textbook-like equations, symbolic and numeric modes, complex number calculations, calculus functions, statistical analysis, and unit conversion. With a premium upgrade option for additional advanced features and customization. Access the power of NCalc FX now!

📚 Education
(12K)
5
CASIO MUSIC SPACE
CASIO MUSIC SPACE
CASIO MUSIC SPACE
by CASIO COMPUTER CO., LTD.
Free
🎵 Music
(58)
6
G-SHOCK MOVE
G-SHOCK MOVE
G-SHOCK MOVE
by CASIO COMPUTER CO., LTD.
Free

Connect your Bluetooth v4.0 enabled G-SHOCK watch to your smartphone using this app for enhanced functionality. Features include time adjustment, training plans, life log data analysis, and integration with external services like Apple Health and Strava. Learn more at http://world.g-shock.com/

🔧 Utilities
(818)
7
CASIO WATCH+
CASIO WATCH+
CASIO WATCH+
by CASIO COMPUTER CO., LTD.
Free
🔧 Utilities
(44)
8
ClassWiz Calc App QR
ClassWiz Calc App QR
ClassWiz Calc App QR
by CASIO COMPUTER CO., LTD.
Free
📚 Education
(6)
9
CASIO ClassPad
CASIO ClassPad
CASIO ClassPad
by CASIO COMPUTER CO., LTD.
Free

This math learning app offers advanced calculations, graphing, and computer algebra system tools, mimicking a popular handheld device used in classrooms. With a subscription, users access various apps and functions, including eActivity, Spreadsheet, Geometry, and Physium, plus over 300 math functions, to enhance their math and science studies.

📚 Education
(11)
10
EDIFICE Connected
EDIFICE Connected
EDIFICE Connected
by CASIO COMPUTER CO., LTD.
Free

This app acts as a bridge to transfer functionality to the new CASIO WATCHES app. Users can transfer their data to CASIO WATCHES through the app, enabling connectivity and enhanced features with Bluetooth-enabled CASIO watches. Learn more at https://world.casio.com/support/wat/info/20230322/en/.

🔧 Utilities
(581)
11
Chordana Play
Chordana Play
Chordana Play
by CASIO COMPUTER CO., LTD.
Free

Learn and play your favorite songs easily with interactive music scores and piano roll notations using this app. Practice with built-in songs or import MIDI files, take lessons, adjust tempo, and connect your smart device wirelessly to supported CASIO keyboards for a more engaging musical experience. Experience music in a whole new way – start playing today!

🎵 Music
(66)
12
HiPER Scientific Calculator
HiPER Scientific Calculator
HiPER Scientific Calculator
by Jindrich Houska
Free

An advanced scientific calculator with powerful features like symbolic algebra, equations, integrals, and derivatives. Supports up to 100-digit calculations, various layouts for different devices, and a wide range of functions including matrices, statistics, complex numbers, and more. Explore its capabilities and functions today!

🔧 Utilities
(207)
13
Simple Calculator.
Simple Calculator.
Simple Calculator.
Basic Casio-style calculator
Free

This app is a basic calculator with tax and business functions, designed for professionals and small business owners. It features 12 digits, tax calculation, percentage calculation, memory operations, grand total, square root, sign change, and more. Check it out for simple and efficient calculations on your iPhone/iPad.

🔧 Utilities
(1.4K)
14
CASIO fx-CG500
CASIO fx-CG500
CASIO fx-CG500
by CASIO COMPUTER CO., LTD.
Free

This math application offers advanced calculations, graphing, and computer algebra system tools to help users investigate and solve mathematical problems. With a subscription, users gain access to over 10 specialized apps, including eActivity, Spreadsheet, Geometry, and Physium, as well as over 300 advanced math functions, to enhance their math and science learning experience.

📚 Education
(9)
15
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

🔧 Utilities
(1.7M)
16
EXILIM Connect
EXILIM Connect
EXILIM Connect
by CASIO COMPUTER CO., LTD.
Free

This application allows you to connect your digital camera to your iPhone or iPad via Wi-Fi or Bluetooth, enabling remote camera control, automatic image transfer, and easy sharing with friends and family. Download the app to unlock features like remote capture, image browsing, and location data sharing, and start enjoying your photos in a whole new way.

📷 Photo & Video
(8)
17
PRO TREK Connected
PRO TREK Connected
PRO TREK Connected
by CASIO COMPUTER CO., LTD.
Free
🔧 Utilities
(346)
18
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

Calculate complex mathematical equations effortlessly with this intuitive app. Simplify your calculations on the go with advanced features like graph plotting and equation solving. Download now to supercharge your math skills!

🔧 Utilities
(36K)
19
Piano ٞ
Piano ٞ
Piano ٞ
Piano Keyboard - Tap Tiles
Free

Experience the joy of playing popular piano tunes with top songs from renowned artists like Mozart and Beethoven! Join millions of users in creating beautiful music with this music keyboard app.

🎵 Music
(166K)
20
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Taculator 84 Graphing Calc
Statistics, Matrix + Graph
Free

Get advanced math functions, statistics, matrices, and graphing capabilities with this all-in-one calculator app designed for high school and college students. Perfect for mastering pre-algebra, algebra, and more. Download now for a smarter way to calculate and visualize data.

📚 Education
(7.5K)

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