# Algorithms: Explained&Animated

> Animated guide to algorithms with interactive simulation and security topics. (iPhone/iPad app by Moriteru Ishida.)

- Source: https://appshunter.io/ios/app/algorithms-explained-and-animated/id1047532631 (this page in markdown: same URL + `.md`)
- Developer: [Moriteru Ishida](https://appshunter.io/developer/1047532630)
- Category: Education, Reference
- Price: Free with in-app purchases
- Rating: 4.70/5 from 101 App Store ratings · 202 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 32 MB
- Languages: American English, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2016-05-18
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/algorithms-explained-and-animated/id1047532631/reviews.md

## What is Algorithms?

Enjoy watching, trying, and learning with this guide to algorithms. The wide-ranging field of algorithms is explained clearly and concisely with animations. Deepen your understanding by exploring concepts in "Sim Mode". Also includes algorithms closer to home involving encryption and security. Come on, let's take a journey into the world of algorithms!


==== Categories and Included Topics ====

[ Sort ]
  Bubble Sort, Selection Sort, Insertion Sort, Heap Sort, Merge Sort, Quicksort

[ Clustering ]
  k-means Algorithm

[ List Search ]
  Linear Search, Binary Search

[ Graph Search ]
  Breadth-First Search, Depth-First Search, Bellman-Ford, Dijkstra's Algorithm, A* algorithm

[ Math ]
  Euclidian Algorithm, Primality Test

[ Data Compression ]
  Run-Length Encoding, Huffman Coding

[ Security ]
  Hash Functions, Shared-Key Cryptosystem, Public-Key Cryptosystem, Hybrid Cryptosystem, Diffie-Hellman Key Exchange, Message Authentication Codes, Digital Signatures, Digital Certificates

[ Data Structures ]
  Lists, Arrays, Stacks, Queues, Hash Tables, Heaps, Binary Search Trees

[ The Web ]
  PageRank

[ Recursion ]
  Tower of Hanoi


==== Downloading and Viewing All of the Algorithms ====

This app is free to download. A portion of the app's topics can be viewed after choosing to "Purchase all algorithms".


==== On iPad ====

This app is also compatible for use on iPad, where it can be used in both horizontal and vertical orientations.


==== Supported languages ====

 - English
 - Español (Spanish)
 - Português (Portuguese)
 - 中文 (简体字) (Chinese (Simplified))
 - Русский (Russian)
 - 日本語 (Japanese)
 - 한국어 (Korean)

The display language can be changed on the settings menu.


==== About VPP Compatible Version ====

We also provide Volume Purchase Program (VPP) compatible version as another app for educational institutions and companies. if need be, visit "Volume Purchase Program" (https://vpp.itunes.apple.com/) and search "Algorithms VPP".

## Key features

- Animated algorithm explanations
- Interactive simulation mode
- Encryption and security algorithms
- Data structures explained
- Sorting algorithms
- Graph search algorithms

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| All of the algorithms | $2.99 | one-time |


## What do users think of Algorithms?

Overall sentiment: positive

**Pros**

- ✨ Clear and understandable explanations
- 🖼️ Excellent visualizations and animations
- 🧠 Great for learning and understanding algorithms
- 💡 Thoughtfully designed and implemented
- 💰 Worth the purchase/price
- 👍 Highly recommended for visual learners
- 📚 Valuable resource for students and developers
- 🚀 Intuitive and easy to use
- ✅ Concise and digestible content
- 💯 Best algorithm explainer app
- 🌟 High quality content
- 👨‍🏫 Great for interview prep
- 💡 Innovative learning style
- 🆓 Free version is valuable
- ✨ Ideal design and UI/UX

**Cons**

- ❓ Lacks code examples/snippets
- ❓ Missing time complexity (Big O)
- ❓ Limited number of algorithms
- ❓ Some users confused about pricing/charges
- ❓ Simulation block repetition
- ❓ Some algorithms cost extra

**Most requested features**

- Add code examples (Python, C++, JS)
- Include time complexity (Big O notation)
- Add more algorithms
- Include AI-related algorithms (neural networks, reinforcement learning)
- Add propositional and set logic for programmers
- Animated examples of algorithms used together
- Add more tech-related topics (data engineering, analytics, ML, DB architecture)
- Add more features
- Add algorithm practice sections
- Add Red-black tree
- Add machine learning algorithms

## Recent user reviews (10 of 202)

All indexed reviews: https://appshunter.io/ios/app/algorithms-explained-and-animated/id1047532631/reviews.md

### 5/5 — Educational

*2026-07-30, version 1.2.6*

Thank you for designing and serving this app as free. I’m am a student and there is not so much valuable sources in free. I appreciated.

### 1/5 — No thanks

*2026-05-08, version 1.2.6*

total doof , ;blöd : einfach doof!

### 5/5 — worth the purchase!

*2025-12-11, version 1.2.6*

i love this app, always pull it out when i forget how an algo works and the visuals are so clear

### 5/5 — App

*2025-11-15, version 1.2.6*

Coolest

### 5/5 — 그냥 구매하세요

*2025-11-06, version 1.2.6*

긴말필요없음. 알고리즘 어려워하는 사람이면 그냥 사세요.

### 5/5 — Very nice way to learn algorithms

*2025-09-24, version 1.2.6*

Thoughtfully designed and implemented. Very nice, well done

### 5/5 — SuperB app!

*2025-08-18, version 1.2.6*

I have been using this application to improve my algorithm knowledge, which has helped structure the information. I can highly recommend it to everyone who wants to deepen their algorithm knowledge or prepare for a job interview

### 5/5 — Excellent

*2025-07-19, version 1.2.6*

Very excellent app, Nice Work.

### 5/5 — Rip

*2025-06-07, version 1.2.6*

Rip o F F

### 5/5 — Worth it

*2025-04-24, version 1.2.6*

Definitely worth the purchase. 
Great for visual learners. Highly recommended for all types of software developers.

## Frequently asked questions about Algorithms

### What does the Algorithms: Explained&Animated app do?

This app provides clear and concise explanations of various algorithms, enhanced with animations. It allows users to explore concepts interactively through a 'Sim Mode' and covers topics from sorting and searching to encryption and data structures.

### What are the key features of this app?

Key features include animated explanations of algorithms, an interactive 'Sim Mode' for hands-on learning, and coverage of algorithms related to encryption, security, data structures, sorting, and graph searches. It also supports multiple languages.

### How much does the app cost?

The app is free to download. However, access to all topics requires a purchase within the app to 'Purchase all algorithms'.

### Is this app compatible with iPad?

Yes, the app is compatible with iPad and can be used in both horizontal and vertical orientations. It also supports multiple display languages including English, Spanish, Portuguese, Chinese, Russian, Japanese, and Korean.

### What are some common use cases for this app?

This app is useful for students learning computer science fundamentals, developers looking to refresh their understanding of algorithms, and anyone curious about how various computational processes work, including those related to security and data management.

## Version history (last 5 releases)

### 1.2.6 — 2021-11-30

Fixed small bugs.

### 1.2.5 — 2021-11-26

- Supported iOS15.
- Fixed translations.
- Fixed small bugs.

### 1.2.4 — 2021-06-12

iPad version: Improved design

### 1.2.3 — 2018-12-18

Fixed the button layout bug.

### 1.2.2 — 2018-12-14

Improve display for the latest devices.

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## More apps by Moriteru Ishida

- [Algorithms (VPP compatible)](https://appshunter.io/ios/app/algorithms-vpp-compatible/id1128330932)

All apps by Moriteru Ishida: https://appshunter.io/developer/1047532630

## Related topics

[algorithm](https://appshunter.io/ios/topics/algorithm) · [data structures](https://appshunter.io/ios/topics/data-structures) · [anytype](https://appshunter.io/ios/topics/anytype) · [data structures and algorithms](https://appshunter.io/ios/topics/data-structures-and-algorithms) · [algorithms quiz](https://appshunter.io/ios/topics/algorithms-quiz) · [sorting algorithms concepts](https://appshunter.io/ios/topics/sorting-algorithms-concepts) · [software engineering](https://appshunter.io/ios/topics/software-engineering)

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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 2026-08-24.*