# 英文字根字群邏輯諧音記單字字典/多益/雅思/英檢/基測/學測

> Are you still memorizing English words? The best way is to learn radical word groups, logic and homophony, and use radical word meaning skills to quickly memorize English words, and you can guess the meaning of words when you encounter unknown words in the future.

Canonical page: [https://chrome-stats.com/d/com.root\_memo](https://chrome-stats.com/d/com.root_memo)

## Overview

- **ID:** `com.root_memo`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** GreenHill
- **Category:** EDUCATION
- **Downloads:** 777,220
- **Rating:** 4.67 / 5 (4,501 ratings)
- **Version:** 2026.04
- **Last updated:** 2026-04-11
- **First published:** 2013-03-10
- **Publisher country:** TW
- **Size:** 12 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.root_memo)
- **Website:** [https://greenhillapp.blogspot.com/2014/09/app.html](https://greenhillapp.blogspot.com/2014/09/app.html)
- **Privacy policy:** [https://greenhillapp.blogspot.com/p/privacypolicy.html](https://greenhillapp.blogspot.com/p/privacypolicy.html)

## Description

本Chrome擴充套件《英文字根字群邏輯諧音記單字字典》提供創新學習法，結合字根拆解、邏輯記憶與諧音法，協助使用者有效記憶英語單字。涵蓋基礎測驗、學測、多益、雅思及GEPT等多種考試詞彙，字庫超過兩萬字。

擴充套件配備拼字測驗遊戲、翻牌記憶遊戲及學習計劃功能，透過有趣互動與自主安排的學習目標，提升記憶效率並持續鞏固單字能力。此外，支援離線字典、真人發音及分類管理，方便用戶在無網路狀態下持續學習，成為英文單字背誦的最佳輔助工具。

## Rankings

- #78,840 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.BLUETOOTH`
- `android.permission.BLUETOOTH_ADMIN`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.root_memo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users find the app highly effective and practical for learning English vocabulary, especially with features like daily schedules and root-based memorization. It aids exam preparation and has helped improve English skills. However, multiple users report technical issues such as frequent crashes, bugs in copying words and custom word lists, and problems with learning progress tracking. The app's interface is viewed as outdated, and some forced features like phone vibration are seen as disruptive. Overall, the app is well-liked but needs stability and UI improvements.

### Pros

- Effective for learning English vocabulary through roots and word groups.
- Daily schedule and study plan features are very helpful.
- Helps in preparing for exams like TOEIC and other English proficiency tests.
- Appreciated for improving English skills and memory.
- Highly recommended and considered practical and useful by users.

### Cons

- App frequently crashes or freezes during use.
- Interface design is outdated and needs improvement.
- Features like word copying and custom word lists have bugs (e.g., words disappearing, copying function stops working).
- Learning progress and word lists sometimes get rearranged or lose proper order.
- Some forced features like phone vibration during tests are annoying with no option to disable.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.root_memo)