# 2DUB Class vs Lingosphere

The clearest difference is rating: Lingosphere at 5.0 against 2DUB Class's 4.0. Lingosphere also leads on update cadence (every 6 days vs monthly). 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.

Lingosphere holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

2DUB Class ships an update monthly, Lingosphere every 6 days. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 2DUB Class | Lingosphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/2dub-class/id1529998946/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lingosphere-language-learning/id6781710425/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free | Free |
| Size | 53 MB | 43 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [2MEU Inc.](https://appshunter.io/developer/1244037111) | [DRIFTLINE LABS LLC](https://appshunter.io/developer/6781710427) |

## What reviewers say

### 2DUB Class

[App page](https://appshunter.io/ios/app/2dub-class/id1529998946)

This app assists English and Korean teachers in preparing class materials and managing students. It simplifies homework creation, grading, and provides tools to engage students and improve their speaking skills.

**Highlights:** Homework creation and management, Student management, Speaking homework options, Sticker and feedback engagement, Grading tools

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

**In-app purchases:** none


### Lingosphere

[App page](https://appshunter.io/ios/app/lingosphere-language-learning/id6781710425)

Engage in daily language quiz challenges to test your vocabulary, grammar, and comprehension. Compete against learners worldwide on real-time leaderboards and track your progress across multiple difficulty levels. Earn badges and build streaks to showcase your language mastery.

**Highlights:** Daily language quiz challenges, Global leaderboards, Vocabulary, grammar, and comprehension tests, Adaptive difficulty levels, Streak and badge system, 10+ languages supported, Bite-sized learning sessions

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

**In-app purchases:** none


## Frequently asked questions

### Is 2DUB Class free?

2DUB Class is free to download, with no in-app purchases.

### Is Lingosphere free?

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

### Which has better reviews, 2DUB Class or Lingosphere?

Lingosphere is rated higher. 2DUB Class averages 4.0 out of 5 from 1 ratings, while Lingosphere averages 5.0 from 1 ratings.

### Do 2DUB Class or Lingosphere have ads?

Neither 2DUB Class nor Lingosphere shows ads.

### Which is updated more often, 2DUB Class or Lingosphere?

2DUB Class ships an update monthly, and Lingosphere every 6 days. Most recently, 2DUB Class was updated on October 6, 2026 and Lingosphere on September 30, 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.*