# 랭콘아일랜드 4.0 vs Let's Smile Starter

The clearest difference is update cadence: 랭콘아일랜드 4.0 at monthly against Let's Smile Starter's every 19 months. Let's Smile Starter's advantage is iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

랭콘아일랜드 4.0 ships an update monthly, Let's Smile Starter every 19 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 랭콘아일랜드 4.0 | Let's Smile Starter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/40/id1441389361/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 34.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Free | — |
| Size | 2.4 GB | 812 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Avalon Education](https://appshunter.io/developer/928372728) | [e-future Co., Ltd.](https://appshunter.io/developer/522346678) |

## What reviewers say

### 랭콘아일랜드 4.0

[App page](https://appshunter.io/ios/app/40/id1441389361)

This mobile program is designed for students to naturally learn and reinforce language acquisition through homework, review, and preview exercises linked to academy classes. It offers four difficulty levels for practice, accessible even to non-students.

**Highlights:** Mobile homework assignments, Integrated with academy classes, Language acquisition reinforcement, Homework, preview, and review exercises, Four difficulty levels of practice

**Features:** macOS Compatibility

**In-app purchases:** none


### Let's Smile Starter

[App page](https://appshunter.io/ios/app/lets-smile-starter/id1566810551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 랭콘아일랜드 4.0 free?

랭콘아일랜드 4.0 is free to download, with no in-app purchases.

### Is Let's Smile Starter free?

Let's Smile Starter is free to download, with no in-app purchases.

### Do 랭콘아일랜드 4.0 or Let's Smile Starter have ads?

Neither 랭콘아일랜드 4.0 nor Let's Smile Starter shows ads.

### Which is updated more often, 랭콘아일랜드 4.0 or Let's Smile Starter?

랭콘아일랜드 4.0 ships an update monthly, and Let's Smile Starter every 19 months. Most recently, 랭콘아일랜드 4.0 was updated on October 15, 2026 and Let's Smile Starter on October 11, 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.*