# Objective C vs Prolog Language Courses

The clearest difference is price: Prolog Language Courses at Free against Objective C's $0.99. Prolog Language Courses also leads on update cadence (every 5 months vs every 12 months). Objective C's advantage is in-app purchases (none vs 20) and review sentiment (13% vs 0%). On ads and device support there is nothing between them.

Prolog Language Courses is free to download; Objective C costs $0.99 up front. Prolog Language Courses sells 16 one-off in-app purchases. Objective C asks for nothing beyond the download.

Objective C ships an update every 12 months, Prolog Language Courses every 5 months. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Objective C | Prolog Language Courses |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | **13.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 22 MB | 53 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infinite Loop Development Ltd](https://appshunter.io/developer/463823475) | [Prolog LTD](https://appshunter.io/developer/359022156) |

## What reviewers say

### Objective C

[App page](https://appshunter.io/ios/app/objective-c/id608199745)

Learn Objective C programming by writing and running code directly on your iPhone or iPad. Compile and execute your programs on a remote server, with results displayed instantly on your device. Ideal for experimenting with code snippets and mastering this powerful language.

**Highlights:** Write Objective C code, Compile and run programs, Remote execution, View output on device, Learn programming language

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

**In-app purchases:** none


### Prolog Language Courses

[App page](https://appshunter.io/ios/app/prolog-language-courses/id718985854)

Learn new languages with interactive lessons featuring audio and text. Access dozens of free lessons, with options to upgrade to full courses for a low price. Study anytime, anywhere, with a focus on listening, reading, and speaking.

**Highlights:** Interactive audio and text lessons, Dozens of free lessons, Full course upgrades available, Learn English, French, German, Spanish, and more, Phrasebooks for various languages, Study on the go

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hebräisch – Sprachführer | $5.99 | one-time |
| Hébreu Manuel de conversation | $5.99 | one-time |
| HEBREO Manual de Conversación | $5.99 | one-time |
| Иврит – разговорник | $5.99 | one-time |
| HEBREW - Let's speak! | $7.99 | one-time |
| Hebrew - on Video! | $14.99 | one-time |
| Spanish - on Video! | $14.99 | one-time |
| Inglés - ¡En vídeo! | $14.99 | one-time |
| Portugués - ¡En vídeo! | $14.99 | one-time |
| Иврит по видео | $14.99 | one-time |
| Английский по видео | $14.99 | one-time |
| الإنكليزية - بالفيديو! | $14.99 | one-time |
| Hebrew Ulpan Video Course | $17.99 | one-time |
| Hebrew Verbs and Conjugations | $20.99 | one-time |
| Welcome to Hebrew | $24.99 | one-time |
| HEBREW - Let's Speak! | $24.99 | one-time |


## Frequently asked questions

### Is Objective C free?

Objective C costs $0.99, with no in-app purchases.

### Is Prolog Language Courses free?

Prolog Language Courses is free to download, with in-app purchases available.

### Do Objective C or Prolog Language Courses have ads?

Neither Objective C nor Prolog Language Courses shows ads.

### Which is updated more often, Objective C or Prolog Language Courses?

Objective C ships an update every 12 months, and Prolog Language Courses every 5 months. Most recently, Objective C was updated on September 30, 2026 and Prolog Language Courses on October 7, 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.*