极简Coca词汇 vs wordDNA：词根词缀字典
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
极简Coca词汇
This app helps you memorize English vocabulary using the scientifically proven Ebbinghaus forgetting curve and the COCA high-frequency word list. It offers a focused, ad-free learning experience with intelligent review scheduling to ensure long-term retention.
- COCA high-frequency words
- Ebbinghaus memory curve
- Smart review system
- Minimalist learning experience
- Daily lightweight study
- Ad-free
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极简 COCA 词汇 用科学方法重新定义背单词。 基于 COCA 高频词库与艾宾浩斯记忆法，帮助你真正记住英语单词，而不是短暂记忆后快速遗忘。 核心功能： 1. COCA 高频词 优先学习真实英语世界中最常使用的核心词汇。 2. 艾宾浩斯记忆法 根据遗忘曲线自动安排复习时间，提高长期记忆效率。 3. 智能复习系统 根据学习状态动态调整复习节奏。 4. 极简学习体验 无广告、低干扰、专注记忆本身。 5. 每日轻量学习 每天几分钟，持续积累真实词汇量。 适合： 雅思、托福、四六级、考研英语与长期英语学习用户。 少一点焦虑， 少一点无效重复， 真正把单词留在大脑里。
wordDNA：词根词缀字典
This app helps users understand English vocabulary by breaking down words into their roots, prefixes, and suffixes. It provides bilingual explanations, pronunciation, and usage examples, with offline access and basic learning tools included for free. Advanced features and content are available through an optional subscription.
- Bilingual word explanations
- Etymology, roots, prefixes, suffixes
- Pronunciation and usage examples
- Offline dictionary lookup
- Favorites and saved words
- Basic quiz and review tools
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wordDNA 是一款围绕词根、词缀、词源和复习设计的英语词汇学习工具。与其机械记忆一个个孤立的单词，不如看清单词是怎样构成、怎样演变而来的。 【从词源理解单词】 查询单词时，不只查看中文释义，还可以了解词根、前缀、后缀、构词结构和词源演变。通过单词之间的联系理解词义，让复杂词汇变得更有逻辑。 【约 10 万常用词条，支持离线查词】 内置约 10 万常用英语词条，无需联网即可完成日常查询。词条可包含中文释义、英美发音、构词结构、词根词缀和词源信息，部分词条还提供语境例句。 【专业英英释义】 Plus 用户可以使用专业英英词典，在中文释义之外进一步理解单词在英语语境中的含义。 【词包与主动复习】 内置四级、六级词汇，并为 Plus 用户提供专八、雅思核心词汇、托福、GRE 等进阶词包。你可以从查询历史、内置词包和“我的词库”中选择内容进行主动复习。 【艾宾浩斯复习】 wordDNA 提供定时复习与主动复习两种方式。主动练习可以不限次数进行，同时不会改变原有定时复习的阶段和到期时间。 【我的词库】 将需要重点掌握的单词加入自己的词库，集中查询、整理和复习。 【基础功能】 · 英中查词 · 离线词典 · 最近 50 条查询历史 · 四级、六级词包 【wordDNA Plus】 · 专业英英词典 · 去除广告 · 进阶艾宾浩斯复习 · PDF 导出 · 专八、雅思、托福、GRE 等进阶词包 · 自定义词库 词汇不只是需要记住的一串字母。看懂它的结构和来历，你会发现单词之间原本就有联系。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is price: wordDNA：词根词缀字典 at Free against 极简Coca词汇's $0.99. wordDNA：词根词缀字典 also leads on update cadence (every 6 days vs every 6 weeks) and ratings volume (4 vs 1). 极简Coca词汇's advantage is in-app purchases (none vs 3) and ads (none vs shown). On rating, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
wordDNA：词根词缀字典 is free to download; 极简Coca词汇 costs $0.99 up front. wordDNA：词根词缀字典 sells 3 in-app purchases, starting at $2.99 per month. 极简Coca词汇 asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for 极简Coca词汇 against 5.0 for wordDNA：词根词缀字典. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
极简Coca词汇 ships an update every 6 weeks, wordDNA：词根词缀字典 every 6 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.
| Parameter | 极简Coca词汇 | wordDNA：词根词缀字典 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 6 weeks | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 55 MB | 264 MB |
| Age rating | 4+ | 4+ |
| Developer | 书维 许 | 峰 潘 |
Customer experience
极简Coca词汇
wordDNA：词根词缀字典
In-app purchases
极简Coca词汇
No in-app purchases
wordDNA：词根词缀字典
- OpenEtymology Plus Monthly7 Days trial$2.991 Month
- OpenEtymology Plus Yearly14 Days trial$17.991 Year
- OpenEtymology Plus Lifetime$49.99
