# 英语四级必备词汇 vs 培训师（Trainer ）

The clearest difference is ads: 培训师（Trainer ） at none against 英语四级必备词汇's shown. 英语四级必备词汇's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 英语四级必备词汇 sells 1 one-off in-app purchase and 培训师（Trainer ） sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

英语四级必备词汇 ships an update every 3 weeks, 培训师（Trainer ） every 5 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 英语四级必备词汇 | 培训师（Trainer ） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id492086533/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 120 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [超 刘](https://appshunter.io/developer/476564378) | [QGENIUS](https://appshunter.io/developer/1579618031) |

## What reviewers say

### 英语四级必备词汇

[App page](https://appshunter.io/ios/app/id492086533)

This app helps users efficiently learn and review core vocabulary for the CET-4 exam using the Ebbinghaus forgetting curve. It offers intelligent learning systems, diverse testing methods, and personalized study plans to track progress and master words.

**Highlights:** Ebbinghaus memory curve for spaced repetition, Separate new word learning and review, Multiple test modes (multiple choice, listening), Detailed word explanations (phonetics, definitions, examples), Calendar-based study progress tracking, Customizable exam plans and daily study goals, Personalized wordbook for difficult words

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 消除广告 | $0.99 | one-time |


### 培训师（Trainer ）

[App page](https://appshunter.io/ios/app/trainer/id1560532296)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 培训及引导技术线上学分课程 | $14.99 | one-time |
| 引导艺术线上学分课程 | $46.99 | one-time |


## Frequently asked questions

### Is 英语四级必备词汇 free?

英语四级必备词汇 is free to download, with in-app purchases available.

### Is 培训师（Trainer ） free?

培训师（Trainer ） is free to download, with in-app purchases available.

### Do 英语四级必备词汇 or 培训师（Trainer ） have ads?

英语四级必备词汇 shows ads; 培训师（Trainer ） does not.

### Which is updated more often, 英语四级必备词汇 or 培训师（Trainer ）?

英语四级必备词汇 ships an update every 3 weeks, and 培训师（Trainer ） every 5 months. Most recently, 英语四级必备词汇 was updated on October 10, 2026 and 培训师（Trainer ） on October 9, 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.*