# Open source library tutorials vs LangX

Open source library tutorials and LangX both sit at 5.0 stars, but that hides the real split: 100% of LangX's written reviews are positive against 60% of Open source library tutorials's. LangX also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 months). Open source library tutorials's advantage is iOS requirement (9.0 vs 16.4). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Open source library tutorials sells 4 one-off in-app purchases and LangX sells 3 in-app purchases, starting at $9.99 per month. 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 Open source library tutorials against 5.0 for LangX. Both are backed by a comparable volume of ratings — 6 and 11 respectively. Written reviews are what separate them: 60% of Open source library tutorials's written reviews are positive against 100% of LangX's.

Open source library tutorials ships an update every 3 months, LangX every 2 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Open source library tutorials | LangX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/open-source-library-tutorials/id1209739676/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/langx-language-exchange/id6474187141/reviews) |
| Number of ratings | 6 | **11** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 447 MB | 111 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [发展 李](https://appshunter.io/developer/597216743) | [New Chapter](https://appshunter.io/developer/1720949067) |

## What reviewers say

### Open source library tutorials

[App page](https://appshunter.io/ios/app/open-source-library-tutorials/id1209739676)

Learn popular open-source libraries for iOS development through interactive, self-paced tutorials. Master essential tools for building elegant and efficient iOS applications from scratch.

**Highlights:** 306 self-paced tutorials, Learn GitHub open-source libraries, Based on latest Xcode, Swift, and iOS, Solve tricky iOS development functions, Interactive learning format

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 第九章 | $5.99 | one-time |
| 第八章 | $5.99 | one-time |
| 第七章 | $5.99 | one-time |
| 全部章节的所有课程 | $12.99 | one-time |


### LangX

[App page](https://appshunter.io/ios/app/langx-language-exchange/id6474187141)

Connect with native speakers for authentic language practice through real conversations. This app offers features like message correction, built-in translation, and voice/video calls. Earn rewards and track progress with gamified elements.

**Highlights:** Native speaker matching, Real-time message correction, Integrated translation tool, Voice and video calls, AI-powered chat assistant (Copilot), Gamified learning with streaks and tokens, Flashcard-style review (Echo cards)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LangX Pro Monthly | $9.99 | per month |
| LangX Pro Monthly | $9.99 | per month |
| LangX Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is Open source library tutorials free?

Open source library tutorials is free to download, with in-app purchases available.

### Is LangX free?

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

### Which has better reviews, Open source library tutorials or LangX?

Open source library tutorials and LangX are both rated 5.0 out of 5 on the App Store, from 6 and 11 ratings respectively.

### Do Open source library tutorials or LangX have ads?

Open source library tutorials shows ads; LangX does not.

### Which is updated more often, Open source library tutorials or LangX?

Open source library tutorials ships an update every 3 months, and LangX every 2 days. Most recently, Open source library tutorials was updated on November 2, 2026 and LangX on November 4, 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.*