# Calculoo - Numbers Operations — Practice arithmetic operations

> Educational math game for practicing arithmetic operations and improving logic skills. (iPhone/iPad app by Antonio Alves.)

- Source: https://appshunter.io/ios/app/calculoo-numbers-operations/id1492915962 (this page in markdown: same URL + `.md`)
- Developer: [Antonio Alves](https://appshunter.io/developer/1492915961)
- Category: Education
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 15 MB
- Languages: English, Portuguese
- Released: 2019-12-27
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calculoo-numbers-operations/id1492915962/reviews.md

## What is Calculoo?

Math is a great tool for improving your overall logic and thinking ability.
Mental calculus helps you to increase the ability to concentrate.

In this game you have to solve, in a short time, a serie of arithmetic calculations.

Choose between four game modes according to the type of numbers involved in calculations: Naturals, Integers and Racionals positives and/or negatives (Fractions).

Compare your performances with friends and players around the world using the daily, weekly and all time leaderboards.

Try to win all the twenty achievements the game has to offer.

In Practice Mode, you can play with no time limit and choose the type of numbers and operations that you have the most difficulty with.

Learn with your mistakes by correcting them at the end of each game.

This application also has the following features:

* Fun to play with family, friends and in a classroom context;

* Fits a wide range of ages and educational levels;

* Allows you to improve the calculation of numerical expressions by using the calculation rules learned during math classes in school;

* Works offline.

## Key features

- Multiple arithmetic operations
- Four game modes (Naturals, Integers, Rationals)
- Global leaderboards
- Twenty achievements
- Practice mode with no time limit
- Offline play

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/calculoo-numbers-operations/id1492915962/reviews.md

### 1/5 — Laggzilla

*2025-08-29*

laggy and buggy. and my gooner teacher is making us use this app for our final.😭

## Frequently asked questions about Calculoo

### What is Calculoo?

Calculoo is an educational game designed to help users practice arithmetic operations and improve their logic and concentration skills. It offers various game modes and features to make learning math engaging.

### What kind of math operations can I practice in Calculoo?

Calculoo allows you to practice arithmetic calculations involving Naturals, Integers, and Rationals, including positive and negative numbers (Fractions). You can choose the number types and operations that you find most challenging.

### Does Calculoo have different game modes?

Yes, Calculoo features four distinct game modes based on the type of numbers involved: Naturals, Integers, and Rationals (positives and/or negatives like Fractions). There is also a Practice Mode for unlimited play.

### Can I compete with other players using Calculoo?

Yes, you can compare your performance with friends and players worldwide through daily, weekly, and all-time leaderboards. The game also offers twenty achievements to win.

### Is Calculoo suitable for different ages and learning levels?

Calculoo is designed to fit a wide range of ages and educational levels, making it fun to play with family, friends, or in a classroom setting. It helps improve calculation of numerical expressions using learned math rules.

### Does Calculoo work offline?

Yes, Calculoo works offline, allowing you to practice your math skills anytime and anywhere without needing an internet connection.

### How does Calculoo help me learn from my mistakes?

At the end of each game, Calculoo provides an opportunity to learn from your mistakes by correcting them. This feature helps reinforce understanding and improve accuracy.

### What is the update frequency for Calculoo?

The latest version of Calculoo is 3.0.5, last updated on September 13, 2022. This indicates a developer who provides updates, though the exact frequency isn't specified.

## Version history (last 3 releases)

### 3.0.5 — 2022-09-13

* Fixed a small bug on saving results

### 3.0.3 — 2021-12-08

* Introduction of the Practice game mode
* Allows access to leaderboards with players from all over the world
* Introduction of new goals and achievements
* Fixed small bugs

If you have any questions or problems using Calculoo, please contact us by estudos.infinitoo@gmail.com. We will be happy to help.

### 2.0.0 — 2019-12-27

No release notes.

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## More apps by Antonio Alves

- [Matoo12](https://appshunter.io/ios/app/matoo12/id1492920558)
- [Matoo9](https://appshunter.io/ios/app/matoo9/id1495646838)
- [Matoo10](https://appshunter.io/ios/app/matoo10/id1531483458)
- [Matoo11](https://appshunter.io/ios/app/matoo11/id1531483591)
- [Matoo8](https://appshunter.io/ios/app/matoo8/id1584886231)

All apps by Antonio Alves: https://appshunter.io/developer/1492915961

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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.*