四级CET vs 绕口令大全
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
四级CET
This reference app uses the Ebbinghaus forgetting curve and user interaction to optimize vocabulary learning for long-term memory. All content is available offline, making it accessible on various Apple devices.
- Ebbinghaus forgetting curve integration
- User interaction for personalized learning
- Optimized learning and review schedule
- Long-term memory enhancement
- Offline content access
- Supports iPhone, iPod touch, and iPad
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融合艾宾浩斯(Ebbinghaus)记忆曲线, 综合众多背单词使用者的实战经验, 通过与用户的简单交互, 利用人脑记忆黄金序列法找到学习者的记忆遗忘点，据此调整学习与复习进度，以达到长时记忆的效果。 所有内容均为离线模式，不需要连接互联网，软件支持iPhone、iPod touch、iPad等各版本的软硬件设备
绕口令大全
This app offers a rich collection of traditional Chinese tongue twisters, also known as "rao kou ling." It's designed to help users improve their pronunciation, fluency, and speaking skills through fun and engaging language exercises. The interface is simple and easy to navigate, providing an accessible way to practice.
- Extensive collection of tongue twisters
- Improves pronunciation and fluency
- Simple and intuitive interface
- Completely free to use
- Engaging language practice
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绕口令又称急口令、吃口令、拗口令等。 是一种民间传统的语言游戏，由于它是将若干双声、叠韵词或发音相同、相近的语、词有意集中在一起，组成简单、有趣的语韵，要求快速念出，所以读起来使人感到节奏感强，妙趣横生。 产品特点： •内容丰富，精选内容，百看不厌。 •完全开放，不用花钱即可享受。 •简洁界面，方便操作。
Screenshots
Verdict
The clearest difference is review sentiment: 四级CET at 86% against 绕口令大全's 50%. 四级CET also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). 绕口令大全's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 5 weeks). On price and device support 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
Both are free to download. 四级CET sells 1 one-off in-app purchase. 绕口令大全 asks for nothing beyond the download.
四级CET ships an update every 5 weeks, 绕口令大全 fortnightly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | 四级CET | 绕口令大全 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 85.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 103 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 水萍 林 | 浩杰 姬 |
Customer experience
四级CET
绕口令大全
In-app purchases
四级CET
- 四级词汇完整版$2.99
绕口令大全
No in-app purchases
