Today, share 10 completely free learning apps to let you grow up secretly.

1: Okmath full -scale enlightenment, this is a free and powerful learning artifact, suitable for Android, iPhone, and iPad users. It is not only completely free, but also powerful, providing rich learning content such as primary school mathematics, English enlightenment, children's songs, grammar phonetic symbols, voice skills, and classification reading. There are also mathematical arithmetic, mathematical thinking, Chinese pinyin and other courses, which are suitable for children of different ages and abilities to learn independently. Mathematical learning makes children fall in love with mathematics through various logical thinking games and colorful games.

此外，它还涵盖了体育、音乐、美术等课程，包括跳绳、足球、篮球、羽毛球、跑步、乒乓球、排球、滑雪等运动项目，以及卡通绘画、素描、国画、水彩画、漫画、手工制作、 Creative activities such as cooking and baking, origami, color mud, and Qiqiao board.

更有趣的是，OKmath全科启蒙还包括口琴、尤克里里、古筝、吉他、小提琴、竹笛、架子鼓、葫芦丝等各种乐器的学习，以及井字棋、五子棋、中国象棋、国际Chess, Go and other chess games.

History and geographical knowledge learning, puzzle games such as Huarong Dao, Puzzle, Tiered Maze, Pushing Boxes, and Unique Tie number, let you continue to challenge yourself in your learning. Primary school mathematics experiments, junior high school physics experiments, junior high school chemistry experiments, junior high school biological experiments and other courses help junior high school students improve their practical ability.

Programming thinking, birds' fun news, 100,000 why, insect knowledge, meditation yoga foundation, popular science introduction, fun science experiments, species origin, solar system introduction, intellectual development and other courses to help you broaden your knowledge and develop intelligence. In short, Okmath's full -scale enlightenment is a treasure learning software. Come and learn together!

2: Mustard Korean software is completely free, and it is designed for zero -based Korean learners. It is suitable for the Android and iPhone systems. The interface is simple and clear, and you can see it at a glance.

This software has 40 phonetic leasmal learning sectors, including 21 voices, 19 conscuers, and 399 Korean letters. Each phonetic symbol has pronunciation, pronunciation mouth animation, pronunciation techniques, movement strokes, example sentences, etc., allowing you to master Korean pronunciation in all aspects. Moreover, you can also perform speaking, writing exercises, writing exercises, and brushing exercises.

When learning Korean letters, you just need to click to hear pure Korean pronunciation and corresponding word examples.

In addition, Mustard Korean also has a vocabulary example, rich in classification, such as family members, nature, animals, food, stationery, family members, making friends, at work, falling in love, joy and sorrow, etc. There are a lot of specific vocabulary and example sentences under each classification.

After you click the classification of the vocabulary, you can start the learning mode, including learning words, listening words, reading words, listening sentences, reading sentences and other functions. There are also word learning cards, high -frequency Korean words and sentences, which can help you learn words and example sentences better, practice spoken language and hearing, and master Korean from multiple dimensions.

3: Free notes are a complete free notes for mobile phone and tablet users, and they are also a powerful learning tool, compatible with Android, iPhone and iPad operating systems. The software originally only supported the Apple system, and it has now expanded to the Android platform, which has achieved cross -platform use.

Free notes have been added to the question bank data sector, covering many fields such as English level 4 and 6, graduate examinations, civil servants examinations, English colleges and eight, teachers' qualification certificates, and college entrance examinations, etc., to provide users with rich real questions and learning materials. Whether it is PDF labeling, handwriting notes, learning notes, hand accounts, draft paper or conference records, free notes can meet the needs of different scenarios. Especially in the PDF labeling function, the software perfectly integrates text and handwriting notes, allowing users to directly annotate, label and highlight in PDF files, which greatly improves the efficiency of learning and work.

In terms of materials, free notes provide rich choices, including font materials, stickers, notes, and various note templates. Among them, the note template covers a variety of layouts such as Cornell's horizontal line, Cornell Network, McKinsey, five -line spectrum, horizontal lines, double columns, three columns, and borderbars to meet the notes of different users. Stickers contain 10 categories of cute stickers, adding notes to users. The font center provides a variety of font materials such as calligraphy, modern handwriting, and English to meet the personalized writing needs of users.

In terms of note editing function, free notes also perform well. It supports imported files and pictures, adding pages, recording, timers and stickers. At the same time, the software has a variety of brush tools such as pens, ballpoint pens, pencils, fluorescent pens, and laser pens, and supports the setting of attributes such as thickness, pressure sensitivity, opaqueity, and color to provide users with a real and smooth writing experience. In addition, the software also supports a variety of gesture operations such as dual -finger three -finger click, three -finger sliding, and single finger translation to further enhance the convenience of users' use.

Free notes also support high -level functions such as custom template preset templates, PDF and picture export notes, note folders management, multi -tasking processing of division function, and night mode protection comfort. At the same time, the software also has a notes data synchronization function to ensure that users can switch and synchronize notes seamlessly between different devices.

4: Fun mathematics

Fun Mathematics is a complete free mathematical learning and practice software for users, designed for Android platforms. The software does not need to register and log in. The interface is simple and fresh, integrating a number of practical functions, aiming to provide a one -stop mathematical learning experience.

Its characteristic functions include but are not limited to: fun mathematics questions covering all -level difficulties, preliminary exercises for primary school mathematics, digital reasoning and graphic reasoning special training (digital reasoning contains 260 questions, graphic reasoning contains 116 questions), and mathematics Topic practice and knowledge learning two core sections. A software, multi -purpose, greatly facilitates the learning needs of users.

In the mathematical knowledge sector, we have carefully prepared detailed mathematical knowledge points and summary content, covering 100 types of knowledge in common formulas, triangular functions, other formulas and high school mathematics, and each type of knowledge is further refined into multiple specific knowledge Points are designed to help users study and review systematically.

In addition, the mathematical problem exercise function allows users to choose the difficulty and type according to their own level, and is equipped with the wrong question book and the collection function, so that users can review and consolidate at any time.

In summary, Fun Mathematics has become a conscience with its comprehensive functions, rich resources and complete free features. It not only provides users with a wide range of opportunities for mathematics topics, but also helps users through knowledge summary and induction to help users. Deepen understanding, supplemented by special training of digital reasoning and graphic reasoning, to comprehensively improve the mathematical ability of users.

5: Square words and sentences

Settings and sentences are a conscience and free word search and Chinese idiom learning software, which are designed for Android users. The software is presented in a minimalist style, the interface is refreshing, without redundant elements, and focuses on providing rich learning resources. It has a built -in more than 20,000 Chinese characters and 450,000 groups, and is supplemented by a large amount of example sentences, which aims to help users deeply grasp the application of Chinese characters, words, idioms and example sentences.

The software supports convenient words. Users can search target Chinese characters through Pinyin letters quickly and obtain the details of the word, including Pinyin, Ministry, Structure, strokes, sequence of strokes, interpretation of Chinese characters, examples of group words, and this. The use of words in different positions in words (such as the beginning, end, middle). In addition, it also provides inquiries of synonyms and antonyms to broaden the knowledge of users.

In response to words and idioms, the software also provides a comprehensive query service, covering word interpretation, synonym, antonym, example sentences, etc., and supports the first letter abbreviation of Pinyin to quickly locate the required vocabulary.

In terms of sentences, the group of words and sentences covers 180 sentences and 25,000 sentence labels, which are widely involved in sentence types, celebrity quotes, poetry ancient texts, modification methods, characters, moods, festivals, solar terms, scenes, four seasons, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, sentences, and sentences. Multiple dimensions such as style. Each examples provide multiple similar sentence display to meet the diverse learning needs of users.

In addition, the software also has more than 900 word classification functions, including basic categories such as words, structure, idiom structure, pinyin first letters, as well as characteristic classifications about characters, masterpieces, time, numbers, plant animals and other characteristics, providing users with more For meticulous and comprehensive vocabulary.

6: Tomato Memory Card

Tomato memory card is a free and practical memory review learning software, designed for Android platform users. The software is loved by users with its full free, cute style and high value. It adopts Ebbinhaus memory method to help users remember and review knowledge.

Tomato memory card supports users to create multiple card bags, and allows imported card packs from local files, which greatly improves the convenience used. In each card package, users can create multiple memory cards. The software provides three card models for choice, namely Q & A cards, filling cards, and selection cards to meet the needs of different learning scenarios.

The Q & A mode recalls the answer by checking the question, which is especially suitable for the knowledge points of one question and one answer. This mode is equipped with rich text style editors, including adjustment of text size, reference, text color selection, highlighting, bold, oblique, down, deleting lines and other functions. Rich and diverse.

The filling card mode supports the hollowing editing function. Users can vacuum the content that needs to be hidden to enhance the memory effect. Selecting card mode allows users to edit questions, options, answers and analysis, and support clicking to select multiple correct options, which is suitable for complex questions such as multiple topics.

In addition, the tomato memory card also provides a card memory setting function, including the adjustment of memory volume, memory preferences and memory mode to meet the user's personalized needs. At the same time, software also supports memory card search and screening functions, as well as memory progress tracking and memory statistics analysis function to help users better master the learning progress and effects.

7: English phonetic symbol assistant

The English phonetic assistant is a free and practical English learning software. Education that focuses on English phonetic symbols and basic knowledge is suitable for Android platforms. The software has an English knowledge learning module, which aims to assist users to comprehensively master the basic English knowledge, covering the detailed Analysis.

In addition, the English phonetic assistant pushes a selection of English sentences and pictures daily to help users continue to improve English appreciation ability. Its English phonetic phonetic learning module is even more highlighting, explaining the pronunciation skills of 48 English phonetic symbols in detail. Various forms such as pronunciation words to help users start from scratch and gradually grasp the knowledge of phonetic symbols step by step.

What's more worth mentioning is that the software also integrates characteristic functions such as English numbers and date pronunciation learning, phonetic comparison analysis and practice, etc. It aims to deepen the user's understanding and application of the English phonetic symbols and enhance natural spelling ability.

8: Composition material

Composition material is a completely free composition and learning application software, designed for users to improve writing ability, support the Android platform. This application is known for its simple and pure interface style. It does not need to register and log in. Like a fresh style in the field of learning, it helps users to easily improve the composition level.

The software has a rich built -in ancient poetry learning resources, covering classic chapters such as 300 Tang poems, 300 ancient poems, 300 Songs, Song Ci Selection, Book of Songs, Chu Ci, Yuefu, Yuanqu, etc. Each poem is equipped with detailed translations , Note, appreciation, and author introduction, aiming to provide users with a comprehensive and deep ancient poetry learning experience.

In addition, the composition material also has composition learning and classification sections, which are wide and meticulous, including imagination composition, shape composition, festival composition, fairy tale composition, prose, post -reading, writing composition, writing scene composition, renewal writing, renewed writing Wait multiple categories. Among them, the re -writing category is further subdivided into sub -items such as renewal, rewriting, expansion, and abbreviations; the category of scenes covers many specific scenarios such as campuses, animals, plants, travel notes, natural, and seasons. A rich composition material meets the diverse learning needs of users.

9: Dream score five -line spectrum

Dream score five -line spectrum is a free software designed for music learners. It aims to provide five -line spectrum learning and music rhythm training functions, compatible with Android, iPhone and iPad platforms. The software is completely free, and specially supports the use of real piano for five -line spectrum notes training. It is equipped with an intuitive and easy -to -use five -line spectrum training device. Without tedious operations, you can put it into practice immediately.

Dream scores cover a number of core functions, including but not limited to: single -sound exercises, rhythm exercises, tuning exercises, song exercises and chord exercises. The single -sound exercise module allows users to choose musical instruments based on preferences, such as piano, piano, guitar and piano, cover the practice range of 35 white keys and 25 black keys on the piano keyboard, and provide virtual keyboards to assist daily exercises to help help to help daily exercises and help help. Users gradually master the 60 most common bits on piano keyboards.

The rhythm exercise section starts with the basic two -point, four -point, and eight -point notes, and gradually transitions to complex rest symbols and additional notes combination exercises. At the same time, it provides a variety of BPM speed settings and spectrum function to meet the needs of different levels of users.

The tuning exercise focuses on improving the familiarity of the user's key to the piano keys and reactions under different tuning. In addition, the song exercise function allows users to choose specific songs for playing exercises and support the performance mode, bringing users a closer to practical practice experience.

Finally, the chord practice module helps users gradually master the play skills of chords by step -by -step practice methods and converting prompts.

10: Board

Boarding is a completely free multi -person collaborative whiteboard software, which supports the Android system. It is designed for tablets and has a wide range of applicable scenarios, including but not limited to brainstorming, learning notes, handbook production, flowchart and thinking map drawing, painting creation, and review summary. The software supports multi -end and multi -person coordinated writing, allowing users to concept, create and interact in a visual way.

Boarding is committed to highly restore real handwriting handwriting, providing convenient drag and plugging into the picture function, and multiple brushes to support users to customize the color and thickness of the brush. In addition, the software is also equipped with cables and rubber rubbing tools, as well as a variety of graphic shapes and convenient stickers to meet the diverse creative needs of users. Users can export the whiteboard content into pictures or PDF formats, and enjoy the convenience of cloud synchronization to ensure the safety and access of the content at any time.

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