# KPF伴学 vs 4000基础必备英语单词

The clearest difference is price: KPF伴学 at Free against 4000基础必备英语单词's $2.99. KPF伴学 also leads on iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

KPF伴学 is free to download; 4000基础必备英语单词 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | KPF伴学 | 4000基础必备英语单词 |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/4000/id1590296496/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 84.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Paid |
| Size | 445 MB | 1.0 GB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [家盛 王](https://appshunter.io/developer/1469357476) | [水生 王](https://appshunter.io/developer/1587470458) |

## What reviewers say

### KPF伴学

[App page](https://appshunter.io/ios/app/kpf/id1296749527)

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

**In-app purchases:** none


### 4000基础必备英语单词

[App page](https://appshunter.io/ios/app/4000/id1590296496)

This app provides a comprehensive vocabulary learning experience with 4000 essential English words across six volumes. It includes text, answers, images, audio, and Chinese translations, along with various learning methods and review games. The app is designed for offline use without ads or in-app purchases.

**Highlights:** 4000 essential English words, Audio and Chinese translations, Vocabulary flashcards, Multiple learning and review games, Offline access, No registration required

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

**In-app purchases:** none


## Frequently asked questions

### Is KPF伴学 free?

KPF伴学 is free to download, with no in-app purchases.

### Is 4000基础必备英语单词 free?

4000基础必备英语单词 costs $2.99, with no in-app purchases.

### Do KPF伴学 or 4000基础必备英语单词 have ads?

Neither KPF伴学 nor 4000基础必备英语单词 shows ads.

### Which is updated more often, KPF伴学 or 4000基础必备英语单词?

KPF伴学 ships an update every 2 months, and 4000基础必备英语单词 every 2 months. Most recently, KPF伴学 was updated on September 23, 2026 and 4000基础必备英语单词 on September 26, 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.*