# 189邮箱 vs 数学口算练习

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.

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 29, 2026 respectively.

## The numbers

| Metric | 189邮箱 | 数学口算练习 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (8 ratings)](https://appshunter.io/ios/app/189/id456868500/reviews) | **[4.6 (91 ratings)](https://appshunter.io/ios/app/68/id1570086471/reviews)** |
| Number of ratings | 8 | **91** |
| Positive reviews | 81.8% of reviews | **97.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 178 MB | 31 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [天翼数字生活科技有限公司](https://appshunter.io/developer/1620098060) | [森 袁](https://appshunter.io/developer/1345888871) |

## What reviewers say

### 189邮箱

[App page](https://appshunter.io/ios/app/189/id456868500)

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.

**Highlights:** Multi-account email management, Bill and invoice tracking, Fingerprint login, Smart email search and filtering, SMS and calendar reminders, Schedule and task management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 数学口算练习

[App page](https://appshunter.io/ios/app/68/id1570086471)

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.

**Highlights:** Oral calculation practice, Addition, subtraction, multiplication, division, Adjustable difficulty levels, Engaging game-based learning, Exquisite graphics and animations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 获取完全版本 | $1.99 | one-time |


## Frequently asked questions

### Is 189邮箱 free?

189邮箱 is free to download, with no in-app purchases.

### Is 数学口算练习 free?

数学口算练习 is free to download, with in-app purchases available.

### Which has better reviews, 189邮箱 or 数学口算练习?

数学口算练习 is rated higher. 189邮箱 averages 2.4 out of 5 from 8 ratings, while 数学口算练习 averages 4.6 from 91 ratings.

### Do 189邮箱 or 数学口算练习 have ads?

Neither 189邮箱 nor 数学口算练习 shows ads.

### Which is updated more often, 189邮箱 or 数学口算练习?

189邮箱 ships an update every 2 months, and 数学口算练习 every 7 months. Most recently, 189邮箱 was updated on September 27, 2026 and 数学口算练习 on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*