# Code vs Design patterns

The clearest difference is rating: Design patterns at 5.0 against Code's 1.0. Design patterns also leads on update cadence (every 3 days vs every 8 months). Code's advantage is iOS requirement (11 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Design patterns holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Code ships an update every 8 months, Design patterns every 3 days. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Code | Design patterns |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/code-viewer/id1536321178/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/design-patterns-the-beginning/id6445992650/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 14 MB | 13 MB |
| Requires iOS | **11** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [修勇 黄](https://appshunter.io/developer/539399901) | [Olga Novikova](https://appshunter.io/developer/1565997235) |

## What reviewers say

### Code

[App page](https://appshunter.io/ios/app/code-viewer/id1536321178)

A free application designed for viewing source code on mobile devices. It supports viewing code files directly on your iPhone or iPad.

**Highlights:** Source code viewing, Free to use, Supports iPhone and iPad, Direct file viewing

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

**In-app purchases:** none


### Design patterns

[App page](https://appshunter.io/ios/app/design-patterns-the-beginning/id6445992650)

Learn and test your knowledge of design patterns with a concise reference guide and Swift examples. Save your favorite patterns and receive timely notifications to aid your learning journey. Monitor your progress with built-in assessment tools.

**Highlights:** Design pattern reference guide, Swift programming language examples, Knowledge assessment tests, Learning progress monitoring, Favorite pattern saving, Customizable notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Code free?

Code is free to download, with no in-app purchases.

### Is Design patterns free?

Design patterns is free to download, with no in-app purchases.

### Which has better reviews, Code or Design patterns?

Design patterns is rated higher. Code averages 1.0 out of 5 from 1 ratings, while Design patterns averages 5.0 from 1 ratings.

### Do Code or Design patterns have ads?

Neither Code nor Design patterns shows ads.

### Which is updated more often, Code or Design patterns?

Code ships an update every 8 months, and Design patterns every 3 days. Most recently, Code was updated on October 27, 2026 and Design patterns on October 22, 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.*