189邮箱 vs 数学口算练习
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
189邮箱
Manage multiple email accounts, view bills and invoices, and set reminders for important tasks. Features include fingerprint login, smart search, and calendar management for organized daily planning.
- Multi-account email management
- Bill and invoice tracking
- Fingerprint login
- Smart email search and filtering
- SMS and calendar reminders
- Schedule and task management
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189邮箱 | 爱简单 【账单发票】 一键查询每月话费账单及各类发票，云备份附件中心 【指纹登录】 与繁琐登录，做一场告别,指纹识别，邮箱登录很简单！ 【智能搜索】 智能分类，多维度直观筛选邮件，邮件搜索很简单！ 【短信提醒服务】 提醒像春兩一样及时，点击即阅读，邮件查收很简单！ 【日程管理】 事无大小，井井有条，日程提醒您，事务管理很简单！ 【如有任何问题或建议】 欢迎通过客服邮箱：189help@189.cn进行反馈。
数学口算练习
This app provides engaging oral math practice for children aged 6-8, focusing on addition, subtraction, multiplication, and division. Parents can adjust difficulty levels to suit their child's learning progress, with an emphasis on building quick calculation and mental math skills through interactive gameplay and appealing visuals.
- Oral calculation practice
- Addition, subtraction, multiplication, division
- Adjustable difficulty levels
- Engaging game-based learning
- Exquisite graphics and animations
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The baby's mathematical oral calculation exercises have the following characteristics: [Competition] At the same time of the game, carry out mathematics enlightenment to the baby to exercise the baby's quick calculation and oral calculation ability; [Set difficulty] Add, subtract, multiply and divide, from 10 to 100, parents can flexibly set the difficulty according to the child's age and learning situation, and gradually improve the baby's quick calculation ability; [Exquisite picture] The picture design is exquisite and the animation design is smart, which effectively enhances the interest of learning; Mathematics enlightenment, young connection, baby likes, parents must, happy learning, continuous improvement!
Screenshots
Verdict
The clearest difference is rating: 数学口算练习 at 4.6 against 189邮箱's 2.4. 数学口算练习 also leads on review sentiment (97% vs 82%) and ratings volume (91 vs 8). 189邮箱's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 7 months). 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. 数学口算练习 sells 1 one-off in-app purchase. 189邮箱 asks for nothing beyond the download.
数学口算练习 holds the better App Store score, 4.6 against 2.4. That said, the two scores are not equally well evidenced: 数学口算练习 has 91 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 82% of 189邮箱's written reviews are positive against 97% of 数学口算练习's.
189邮箱 ships an update every 2 months, 数学口算练习 every 7 months. The most recent releases landed on September 27, 2026 and September 25, 2026 respectively.
| Parameter | 189邮箱 | 数学口算练习 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (8 ratings) | 4.6 (91 ratings) — better |
| Positive reviews | 81.8% of reviews | 97.4% of reviews — better |
| Number of ratings | 8 | 91 — better |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 178 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 天翼数字生活科技有限公司 | 森 袁 |
Customer experience
189邮箱
数学口算练习
In-app purchases
189邮箱
No in-app purchases
数学口算练习
- 获取完全版本$1.99
