Num Trainer vs 嗯背单词
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Num Trainer
This app offers quick, engaging number-based exercises to sharpen your mind. Improve focus, memory, and mental math skills with short training sessions that can be adjusted for difficulty.
- Improve reflection and focus
- Enhance attention and memory
- Develop mental math skills
- Boost logic abilities
- Multiple training modes
- Adjustable difficulty levels
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Num Trainer is a lightweight app for building sharper number skills through four focused training games. Improve attention, memory, reaction speed, mental math, and logic with short practice sessions you can fit into your day. Choose your challenge: • Mental Math — solve addition, subtraction, multiplication, and division problems. • Memory Pairs — remember positions and match identical numbers. • Tap in Order — find and tap numbers from smallest to largest. • Digit-by-Digit Math — remember a number, then transform each digit using the same step. Adjust the difficulty to match your level, play at your own pace, and review completed sessions in Training History. With a clean, distraction-free interface and no ads or in-app purchases, Num Trainer keeps number practice simple and focused.
嗯背单词
This app uses a unique state machine algorithm to dramatically increase vocabulary learning efficiency. It offers a minimalist design, single-handed operation, and flexible review options without forced repetition. Users can also add notes, use an integrated dictionary, and import custom word lists.
- State machine algorithm for efficient memorization
- Minimalist SwiftUI native design
- Single-handed operation
- Flexible review without forced repetition
- Integrated online dictionary with images and encyclopedic content
- Customizable word lists and notes
- Word radio feature
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你可以每小时复习超过 2000 个单词！嗯背单词的状态机算法让记忆每个单词的效率提高几十倍，简单的单词优先记忆，困难的单词不断重复，背单词从此不再痛苦 ● 包豪斯式极简设计 - SwiftUI 原生应用，超快，超流畅 - 告别导航栏，在首页上使用所有功能模块 ● 随时随地学 - 单手轻松使用所有功能 - 随时背，随时不背 - 没有单词债和强迫复习 ● 无限循环的状态机算法 - 按照初记 - 复习 - 回顾无限循环重复，前所未有的超高效率 - 觉得记不住？还可以听写默写 ● 更多强力功能 - 单词电台 - 添加单词笔记 - 查询在线词典，图片和百科内容 - 自由编辑同义，反义和相关词，充分利用你的联想能力 - 切换到词典模式，查词自动加入生词本 ● 丰富的词书内容 - 支持英日双语，你懂的~ - 自由导入单词列表，可以识别时态和词性变化 ● 联系我（们) 邮 件：superwhitecosmos@gmail.com ● 服务协议 用户协议: https://github.com/WhiteCosmos/Tougher-App-Support/blob/main/TermsOfService 隐私政策: https://github.com/WhiteCosmos/Tougher-App-Support/blob/main/Privacy%20Policy
Screenshots
Verdict
The clearest difference is in-app purchases: Num Trainer at none against 嗯背单词's 5. Num Trainer also leads on review sentiment (100% vs 86%) and rating (5.0 vs 4.8). 嗯背单词's advantage is ratings volume (87 vs 2) and update cadence (every 8 days vs every 3 weeks). On price, ads 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. 嗯背单词 sells 5 in-app purchases, starting at $0.99 per month. Num Trainer asks for nothing beyond the download.
Num Trainer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 嗯背单词 has 87 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Num Trainer's written reviews are positive against 86% of 嗯背单词's.
Num Trainer ships an update every 3 weeks, 嗯背单词 every 8 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.
| Parameter | Num Trainer | 嗯背单词 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (87 ratings) |
| Positive reviews | 100.0% of reviews — better | 85.7% of reviews |
| Number of ratings | 2 | 87 — better |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Yang Wang | 斌斌 沈 |
Customer experience
Num Trainer
嗯背单词
In-app purchases
Num Trainer
No in-app purchases
嗯背单词
- 月度会员$0.991 Month
- 年度会员7 Days trial$9.991 Year
- 终身会员Free
- 终身会员$4.99
- 终身会员$6.99
