# Algorithms vs Design Patterns for Devs

The clearest difference is update cadence: Algorithms at weekly against Design Patterns for Devs's every 3 months. Algorithms also leads on iOS requirement (13.0 vs 26.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Algorithms sells 3 one-off in-app purchases and Design Patterns for Devs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Algorithms against 5.0 for Design Patterns for Devs. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Algorithms ships an update weekly, Design Patterns for Devs every 3 months. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Algorithms | Design Patterns for Devs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/algorithms-animated-learning/id6744860350/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/design-patterns-for-devs/id6754806188/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 16 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [琰琰 胡](https://appshunter.io/developer/1809315777) | [Daniel Gogozan](https://appshunter.io/developer/1664769372) |

## What reviewers say

### Algorithms

[App page](https://appshunter.io/ios/app/algorithms-animated-learning/id6744860350)

This app makes learning complex algorithms intuitive through dynamic, step-by-step animations and line-by-line code analysis. It offers case-based problem explanations, in-depth algorithm analysis, and weekly updates with trending problems. Ideal for students, job seekers, and competitive programmers.

**Highlights:** Dynamic animated demonstrations, Line-by-line code analysis, Case-based problem explanations, Algorithm analysis and insights, Weekly trending algorithm updates

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock easy problems | $1.99 | one-time |
| Unlock medium & hard problems | $2.99 | one-time |
| Unlock all problems | $3.99 | one-time |


### Design Patterns for Devs

[App page](https://appshunter.io/ios/app/design-patterns-for-devs/id6754806188)

Master software design patterns with interactive flashcards. This app provides comprehensive lessons, code examples, and quizzes to help developers understand and apply architectural concepts for better coding and clearer architecture.

**Highlights:** Interactive flashcards, Gang of Four pattern coverage, Real-world analogies, UML diagrams and code examples, Usage, Pros & Cons, Quizzes for retention

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Algorithms free?

Algorithms is free to download, with in-app purchases available.

### Is Design Patterns for Devs free?

Design Patterns for Devs is free to download, with in-app purchases available.

### Which has better reviews, Algorithms or Design Patterns for Devs?

Algorithms and Design Patterns for Devs are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Algorithms or Design Patterns for Devs have ads?

Neither Algorithms nor Design Patterns for Devs shows ads.

### Which is updated more often, Algorithms or Design Patterns for Devs?

Algorithms ships an update weekly, and Design Patterns for Devs every 3 months. Most recently, Algorithms was updated on September 27, 2026 and Design Patterns for Devs on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*