# Langiddy vs 3Diagno

The clearest difference is in-app purchases: 3Diagno at none against Langiddy's 1. Langiddy's advantage is update cadence (daily vs every 6 days) and ratings volume (15 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Langiddy sells 1 in-app purchase, starting at $9.99 per month. 3Diagno asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Langiddy against 5.0 for 3Diagno. That said, the two scores are not equally well evidenced: Langiddy has 15 ratings behind it against 1, so its average is the more settled of the two.

Langiddy ships an update daily, 3Diagno every 6 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Langiddy | 3Diagno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (15 ratings)](https://appshunter.io/ios/app/langiddy-connect-chat-learn/id1672904077/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/3diagno/id6797193946/reviews) |
| Number of ratings | **15** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 85 MB | 68 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [Noah Duran](https://appshunter.io/developer/1672490128) | [Fares Arab](https://appshunter.io/developer/6797193948) |

## What reviewers say

### Langiddy

[App page](https://appshunter.io/ios/app/langiddy-connect-chat-learn/id1672904077)

Connect with language learners globally through a social chat platform. Text in your native and target languages with instant translations, and turn conversations into interactive flashcards to accelerate your learning journey.

**Highlights:** Global language learner connections, Instant text translation, Dual-language texting, Gamified flashcard system, Conversation-to-flashcard creation, Support for over 100 languages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $9.99 | per month |


### 3Diagno

[App page](https://appshunter.io/ios/app/3diagno/id6797193946)

This app provides a realistic, interactive 3D model of the human musculoskeletal system. It's designed for students and professionals to visualize and demonstrate complex biomechanical movements for clinical reference and education.

**Highlights:** High-fidelity 3D musculoskeletal model, Precise joint range of motion controls, Orthopedic special-test demonstrations, Movement sequence recording and replay, Interactive simulation workflow, Customizable anatomical layer visibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Langiddy free?

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

### Is 3Diagno free?

3Diagno is free to download, with no in-app purchases.

### Which has better reviews, Langiddy or 3Diagno?

Langiddy and 3Diagno are both rated 5.0 out of 5 on the App Store, from 15 and 1 ratings respectively.

### Do Langiddy or 3Diagno have ads?

Neither Langiddy nor 3Diagno shows ads.

### Which is updated more often, Langiddy or 3Diagno?

Langiddy ships an update daily, and 3Diagno every 6 days. Most recently, Langiddy was updated on November 3, 2026 and 3Diagno on November 6, 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.*