# 檸檬樹 vs AIERQUN

The clearest difference is update cadence: AIERQUN at every 22 months against 檸檬樹's every 46 months. 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.

檸檬樹 ships an update every 46 months, AIERQUN every 22 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 檸檬樹 | AIERQUN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1131942222/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 22 months** |
| Monetization | Free | — |
| Size | 34 MB | 194 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Darcherng Duh](https://appshunter.io/developer/394837303) | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) |

## What reviewers say

### 檸檬樹

[App page](https://appshunter.io/ios/app/id1131942222)

Learn Japanese through romantic scenarios and common expressions. This app focuses on deep semantic understanding and cultural nuances, moving beyond literal translation to convey emotions effectively. It offers interactive lessons, grammar explanations, and real-life conversation practice.

**Highlights:** Romantic Japanese conversation practice, Grammar explanations with real-life scenarios, Cultural nuances in expressions, Adjustable audio playback speed, Offline reading and listening, Search and bookmarking functions

**In-app purchases:** none


### AIERQUN

[App page](https://appshunter.io/ios/app/aierqun/id1633587744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 檸檬樹 free?

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

### Is AIERQUN free?

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

### Do 檸檬樹 or AIERQUN have ads?

Neither 檸檬樹 nor AIERQUN shows ads.

### Which is updated more often, 檸檬樹 or AIERQUN?

檸檬樹 ships an update every 46 months, and AIERQUN every 22 months. Most recently, 檸檬樹 was updated on November 2, 2026 and AIERQUN on November 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.*