# 百词斩 vs i西亚斯

The clearest difference is review sentiment: 百词斩 at 76% against i西亚斯's 0%. 百词斩 also leads on rating (4.8 vs 1.0) and ratings volume (9K vs 1). i西亚斯's advantage is in-app purchases (none vs 36) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 百词斩 sells 36 in-app purchases, starting at $2.99 per month. i西亚斯 asks for nothing beyond the download.

百词斩 holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: 百词斩 has 9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of 百词斩's written reviews are positive against 0% of i西亚斯's.

百词斩 ships an update fortnightly, i西亚斯 every 10 days. The most recent releases landed on September 28, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 百词斩 | i西亚斯 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9K ratings)](https://appshunter.io/ios/app/id557545298/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/i/id1620119667/reviews) |
| Number of ratings | **9K** | 1 |
| Positive reviews | **76.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 880 MB | 41 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [成都超爱学习科技有限公司](https://appshunter.io/developer/1726128017) | [Zhengzhou Sias University](https://appshunter.io/developer/1620119669) |

## What reviewers say

### 百词斩

[App page](https://appshunter.io/ios/app/id557545298)

This app helps users learn English vocabulary through engaging methods. It offers multiple learning modes, detailed word explanations, and a vast library of word lists for various exams. Gamified features and personalized study plans encourage consistent learning and make memorization fun and effective.

**Highlights:** Multiple learning modes (picture, rhyme, deep), Detailed word explanations and pronunciation, 200+ authoritative word libraries, Review tools for translation and spelling, Customizable learning plans, Gamified activities and social learning

**Features:** Vision Pro support

**In-app purchases (36)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO会员连续包月 | $2.99 | per month |
| PRO会员连续包月 | $2.99 | per month |
| 惊喜优惠_连续包月 | $2.99 | per month |
| 6金币 | $0.99 | one-time |
| 薄荷英语外刊训练营 | $0.99 | one-time |
| 听力体验营 | $0.99 | one-time |
| 百词斩口语美音课 | $0.99 | one-time |
| 夜曲编程体验营 | $0.99 | one-time |
| 番茄场景英语体验营 | $0.99 | one-time |
| 百词斩雅思高效提分精讲班 | $0.99 | one-time |
| 托福体验营 | $0.99 | one-time |
| 芝士派听力体验营 | $0.99 | one-time |
| 新概念英语体验营 | $0.99 | one-time |
| 薄荷·外刊体验课 | $0.99 | one-time |
| 薄荷阅读·外刊体验课 | $0.99 | one-time |
| 医学·身体部位 | $0.99 | one-time |
| 百雅提分体验营 | $0.99 | one-time |
| 商务英语词汇套装 | $0.99 | one-time |
| 日语N1核心词 | $0.99 | one-time |
| 日语N5核心词 | $0.99 | one-time |
| 薄荷英语外刊体验营 | $0.99 | one-time |
| 百词斩雅思体验营 | $0.99 | one-time |
| 蛋糕英语体验营L1 | $0.99 | one-time |
| （正价）计算机入门通用词汇 | $0.99 | one-time |
| Vlog高频词 | $1.99 | one-time |
| 西语入门+进阶 | $1.99 | one-time |
| 新标准日本语初级套装 | $1.99 | one-time |
| 法语专四必备2000词 | $1.99 | one-time |
| 18金币 | $2.99 | one-time |
| 百词斩托福 | $2.99 | one-time |
| Basic1000 | $2.99 | one-time |
| 芝士派听力小课 | $2.99 | one-time |
| 实用词套装 | $3.99 | one-time |
| 45金币 | $5.99 | one-time |
| 50金币 | $6.99 | one-time |
| 薄荷阅读·年卡VIP | $29.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient vocabulary learning
- 💡 Engaging learning methods
- 🎨 Visually appealing design
- 🤝 Helpful for group learning

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🕰️ Slow performance
- 🌐 Issues with international users
- 🔊 Subpar audio quality
- 📚 Limited word selection

**Reported bugs**

- Inconsistent sign-in/sign-out behavior
- Incorrect word pronunciations
- Unreliable daily check-in tracking
- Frequent crashes and freezes
- Syncing issues across devices

**Requested features**

- Add support for horizontal screen mode
- Implement a night mode or dark theme
- Introduce British English pronunciation
- Allow customization of word lists
- Improve the in-app chat/communication features


### i西亚斯

[App page](https://appshunter.io/ios/app/i/id1620119667)

This is the official mobile application for Zhengzhou Sias University. It provides official information and services for students and faculty.

**Highlights:** Official university information, Student services, Faculty services, Campus news, University announcements

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

**In-app purchases:** none


## Frequently asked questions

### Is 百词斩 free?

百词斩 is free to download, with in-app purchases available.

### Is i西亚斯 free?

i西亚斯 is free to download, with no in-app purchases.

### Which has better reviews, 百词斩 or i西亚斯?

百词斩 is rated higher. 百词斩 averages 4.8 out of 5 from 9K ratings, while i西亚斯 averages 1.0 from 1 ratings.

### Do 百词斩 or i西亚斯 have ads?

百词斩 shows ads; i西亚斯 does not.

### Which is updated more often, 百词斩 or i西亚斯?

百词斩 ships an update fortnightly, and i西亚斯 every 10 days. Most recently, 百词斩 was updated on September 28, 2026 and i西亚斯 on September 16, 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.*