# PHP Programming Guide vs Learn Ruby on Rails

The clearest difference is price: PHP Programming Guide at Free against Learn Ruby on Rails's $2.99. Learn Ruby on Rails's advantage is iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

PHP Programming Guide is free to download; Learn Ruby on Rails costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PHP Programming Guide | Learn Ruby on Rails |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 13 MB | 57 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Shahbaz Khan](https://appshunter.io/developer/1479963383) |

## What reviewers say

### PHP Programming Guide

[App page](https://appshunter.io/ios/app/php-programming-guide/id6748204544)

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

**In-app purchases:** none


### Learn Ruby on Rails

[App page](https://appshunter.io/ios/app/learn-ruby-on-rails/id6756696863)

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

**In-app purchases:** none


## Frequently asked questions

### Is PHP Programming Guide free?

PHP Programming Guide is free to download, with no in-app purchases.

### Is Learn Ruby on Rails free?

Learn Ruby on Rails costs $2.99, with no in-app purchases.

### Do PHP Programming Guide or Learn Ruby on Rails have ads?

Neither PHP Programming Guide nor Learn Ruby on Rails shows ads.

---

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