墨墨背单词 | 四六级考研等英语词汇记忆 vs 口算批改
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
墨墨背单词 | 四六级考研等英语词汇记忆
This app uses a scientific, anti-forgetting algorithm based on user memory data to dynamically adjust review schedules. It offers comprehensive vocabulary content, including definitions, example sentences, and mnemonics, and supports syncing with popular vocabulary books for various exams.
- Scientific anti-forgetting algorithm
- Dynamic review scheduling
- Comprehensive vocabulary content
- Syncs with popular vocabulary books
- Personalized cloud wordbooks
- Learning progress statistics
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墨墨背单词,高效抗遗忘,完美规划海量词汇记忆。 • 全应用商店累计超过 3 亿下载总量 • 最受考研用户欢迎的背单词App • 教育类好评率最高的产品之一 • 墨墨独家发布了具有可解释性的记忆模型,并发布于全球数据科学领域顶级会议 ACM SIGKDD 《A Stochastic Shortest Path Alogorithm for Optimizing Spaced Repetition Scheduling》 • 墨墨首次将记忆预测与调度优化相结合,提供完整的间隔重复规划系统框架,并发布于国际数据挖掘顶级期刊 IEEE TKDE 《Optimizing Spaced Repetition Schedule by Capturing the Dynamics of Memory》 「这里有:科学高效的抗遗忘算法、精彩美妙的单词内容、简洁的操作,实实在在帮你高效规划海量词汇记忆。」 【精准高效的抗遗忘策略】 墨墨背单词基于 1200 多亿条用户记忆行为数据,结合你的每次记忆反馈,识别你的记忆持久度,分析你的遗忘曲线,精准定位你对每个单词的遗忘临界点,动态调整复习规划,帮你高效规划海量词汇记忆。 【完美配合知名词汇书籍】 墨墨背单词尊重权威的实体词汇书籍,全面兼容知名的实体书籍的同步学习,词库实时更新,不管是小初高、四六八,还是考研、出国考试,你手上的词汇书籍,墨墨背单词通通兼容,你再也不用担心所学词汇范围的权威性。 【简洁且极佳的单词内容】 墨墨背单词,为每一个单词都精心准备了简明扼要的释义、最具意境的例句和最佳的助记,单词内容的精细度远超同类产品。 【精彩美妙单词记忆方法】 墨墨背单词拥有全国最全的单词助记库,上千万学员有趣的助记分享,每个单词你都能找到精彩美妙、拍案叫绝且符合你的记忆方法,让你真正做到过目难忘。 【一目了然学习情况统计】 墨墨背单词以图表的方式记录了你复习的情况,并配合丰富的奖励策略有效地督促你更好地坚持复习,包括三大图表统计系统: * 遗忘曲线:真实反映了你在每个阶段对已学单词的遗忘率; * 学习情况:你每天复习了多少单词,已学情况及未来的复习压力; * 记忆持久度:你可以清楚地看到已学单词的熟知度情况。 【创建属于自己的云词本】 墨墨背单词允许你随时添加新单词到学习列表,你可以创建属于自己的云词本,或提取一篇文章中所有的单词,很好地配合了你平时生活学习对规划单词记忆的需求。
口算批改
Instantly check children's math homework by taking a photo. This AI-powered tool helps identify errors in various math problem types, supporting learning and reducing workload for parents and teachers. Offers subscription plans for continued use.
- Instant photo-based homework checking
- AI-powered error detection
- Supports diverse math problem types
- Helps children learn from mistakes
- Reduces workload for parents/teachers
- Daily practice exercises
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1秒检查口算作业。 只需对作业拍照,一秒就能帮您判断对错,让孩子知错能改。 支持题型:四则混合运算、 填写等式中的数字、填写运算符、有余数的除法、单位换算、脱式分数竖式计算、解方程等。 人工智能批改作业,帮家长和老师减负提效。 会员订阅: 订阅价格为每年128元、每月25元,到期自动续费。 订阅会自动续订,除非在当前期间结束前至少24小时关闭自动续订;帐户将在当前期间结束前24小时内收取续订费用,并确定续订费用 订阅可以由用户管理,并且可以在购买后转到用户的AppStore帐户设置来关闭自动续订 隐私条款:https://blog.csdn.net/m0_74390048/article/details/129748339 使用条款:https://blog.csdn.net/m0_74390048/article/details/129748352
Screenshots
Verdict
The clearest difference is update cadence: 墨墨背单词 | 四六级考研等英语词汇记忆 at weekly against 口算批改's every 3 months. 墨墨背单词 | 四六级考研等英语词汇记忆 also leads on ratings volume (5.6K vs 2). On price, rating, ads and in-app purchases 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. 墨墨背单词 | 四六级考研等英语词汇记忆 sells 9 one-off in-app purchases and 口算批改 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
口算批改 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 墨墨背单词 | 四六级考研等英语词汇记忆 has 5.6K ratings behind it against 2, so its average is the more settled of the two.
墨墨背单词 | 四六级考研等英语词汇记忆 ships an update weekly, 口算批改 every 3 months. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.
| Parameter | 墨墨背单词 | 四六级考研等英语词汇记忆 | 口算批改 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5.6K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 92.4% of reviews | — |
| Number of ratings | 5.6K — better | 2 |
| Update frequency | Weekly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 238 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | MaiMemo Inc. | Light Speed Intelligence Technology Co., Ltd. |
Customer experience
墨墨背单词 | 四六级考研等英语词汇记忆
口算批改
Bugs and requests
墨墨背单词 | 四六级考研等英语词汇记忆
Reported bugs
2 issues- Inconsistent sign-in tracking across days
- Difficulty accessing feedback/reporting channels
Requested features
4 requests- Expand free word count limit
- Add more language options beyond English
- Improve sign-in reliability across time zones
- Provide more customization options for example sentences
口算批改
Not enough reviews yet to summarise bugs or requests.
In-app purchases
墨墨背单词 | 四六级考研等英语词汇记忆
- 增加 1 次测试机会$0.29
- 增加 永久 测试月卡$0.79
- 500个单词上限$0.99
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- 1张补签卡$0.99
- 800个单词上限$1.99
- 1800个单词上限$3.99
- 4000个单词上限2 variants$7.99
- 8000个单词上限2 variants$12.99
- 16000个单词上限2 variants$24.99
口算批改
- 月会员$3.991 Month
- 年会员$19.991 Year
- 永久会员$22.99









