# 賴世雄英文文法 vs 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除

The clearest difference is review sentiment: 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 at 100% against 賴世雄英文文法's 15%. 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 also leads on price (Free vs $5.99). 賴世雄英文文法's advantage is iOS requirement (7.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 is free to download; 賴世雄英文文法 costs $5.99 up front. 賴世雄英文文法 sells 5 one-off in-app purchases and 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

賴世雄英文文法 ships an update every 2 months, 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 every 6 weeks. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 賴世雄英文文法 | 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/id862347495/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 14.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 140 MB | 57 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Soyong Corporation](https://appshunter.io/developer/339142397) | [剑锋 刘](https://appshunter.io/developer/1725321361) |

## What reviewers say

### 賴世雄英文文法

[App page](https://appshunter.io/ios/app/id862347495)

Master English grammar with clear explanations and practice exercises. Enhance your learning with optional audio lectures from an experienced teacher. Features include search, bookmarks, notes, and adjustable text size for an optimal study experience.

**Highlights:** Clear grammar explanations, Chapter quizzes with detailed answers, Optional audio lectures, Search functionality, Bookmark and note-taking features, Adjustable font size

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 第2~3章完全講解 | $0.99 | one-time |
| 第4~5章完全講解 | $2.99 | one-time |
| 第6~9章完全講解 | $2.99 | one-time |
| 第10~14章完全講解 | $2.99 | one-time |
| 完全講解合購(2~14章) | $7.99 | one-time |


### 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除

[App page](https://appshunter.io/ios/app/id6480305754)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月 | $3.99 | per month |
| 包季 | $8.99 | per 3 months |
| 包年 | $22.99 | per year |


## Frequently asked questions

### Is 賴世雄英文文法 free?

賴世雄英文文法 costs $5.99, and also offers in-app purchases.

### Is 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 free?

背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 is free to download, with in-app purchases available.

### Do 賴世雄英文文法 or 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 have ads?

Neither 賴世雄英文文法 nor 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 shows ads.

### Which is updated more often, 賴世雄英文文法 or 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除?

賴世雄英文文法 ships an update every 2 months, and 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 every 6 weeks. Most recently, 賴世雄英文文法 was updated on October 17, 2026 and 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 on October 14, 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.*