Comparison

Algorithms vs Prep Circa

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Algorithms

Explore and learn about a wide range of algorithms through clear explanations and animations. Deepen your understanding with interactive simulation modes and discover algorithms related to encryption and security. This app offers a comprehensive journey into the world of computer science concepts.

Highlights
  • Animated algorithm explanations
  • Interactive simulation mode
  • Encryption and security algorithms
  • Data structures explained
  • Sorting algorithms
  • Graph search algorithms
Features
Read full description

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".

About

Prep Circa

Features
Read full description

Prep Circa offers a secure platform for parents, educators, and students to confidentially report concerns or observations. Through comprehensive monitoring of academic progress, attendance records, and self-assessment tools, all stakeholders can promptly pinpoint signs of trauma indicating a student may require critical academic intervention and monitoring.

Screenshots

Algorithms4 screens
Prep Circa4 screens

Verdict

The call

The clearest difference is in-app purchases: Prep Circa at none against Algorithms's 1. Algorithms's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Algorithms sells 1 one-off in-app purchase. Prep Circa asks for nothing beyond the download.

UpkeepUpdate frequency

Algorithms ships an update every 6 weeks, Prep Circa every 2 months. The most recent releases landed on August 24, 2026 and August 13, 2026 respectively.

Scorecard2 real differences · 8 level
Algorithms versus Prep Circa: the parameters behind the verdict, then further details
ParameterAlgorithmsPrep Circa
PriceFreeFree
Rating4.7 (101 ratings) — better—
Positive reviews90.6% of reviews—
Number of ratings101 — better—
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size32 MB155 MB
Age rating4+17+
DeveloperMoriteru IshidaDashur AI LLC

Bugs and requests

Algorithms

Requested features

11 requests
  • 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
Show 6 more
  • 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

Prep Circa

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Algorithms

One-time1
  • All of the algorithms$2.99
None

Prep Circa

No in-app purchases

Questions

Is Algorithms free?
Algorithms is free to download, with in-app purchases available.
Is Prep Circa free?
Prep Circa is free to download, with no in-app purchases.
Do Algorithms or Prep Circa have ads?
Neither Algorithms nor Prep Circa shows ads.
Which is updated more often, Algorithms or Prep Circa?
Algorithms ships an update every 6 weeks, and Prep Circa every 2 months. Most recently, Algorithms was updated on August 24, 2026 and Prep Circa on August 13, 2026.

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